10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

_______________________________________________________________

FORM 10-Q

______________________________________________________________

(Mark One)

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2018

OR

oTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number: 001-37956

_______________________________________________________________

XPERI CORPORATION

(Exact Name of Registrant as Specified in Its Charter)

_______________________________________________________________

Delaware	81-4465732
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)
3025 Orchard Parkway, San Jose, California	95134
(Address of Principal Executive Offices)	(Zip Code)

(408) 321-6000

(Registrant’s Telephone Number, Including Area Code)

_______________________________________________________________

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Name of each exchange on which registered
Common stock, par value $0.001 per share	The NASDAQ Global Select Market

Securities registered pursuant to Section 12(g) of the Act:    None

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ý No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and "emerging growth company" in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer ý Accelerated filer ¨ Non-accelerated filer ¨ (Do not check if a smaller reporting company) Smaller reporting company ¨ Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ¨ No ý

The number of shares outstanding of the registrant’s common stock as of April 26, 2018 was 49,030,824.

XPERI CORPORATION

FORM 10-Q — QUARTERLY REPORT

FOR THE QUARTER ENDED MARCH 31, 2018

TABLE OF CONTENTS

		Page
	PART I
Item 1.	Financial Statements (unaudited)
	Condensed Consolidated Statements of Cash Flows – Three Months Ended March 31, 2018 and 2017	3
	Condensed Consolidated Balance Sheets – March 31, 2018 and December 31, 2017	4
	Condensed Consolidated Statements of Operations – Three Months Ended March 31, 2018 and 2017	5
	Condensed Consolidated Statements of Comprehensive Loss – Three Months Ended March 31, 2018 and 2017	6
	Notes to Condensed Consolidated Financial Statements	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	23
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	34
Item 4.	Controls and Procedures	34
	PART II
Item 1.	Legal Proceedings	35
Item 1A.	Risk Factors	37
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	53
Item 3.	Defaults Upon Senior Securities	54
Item 4.	Mine Safety Disclosures	54
Item 5.	Other Information	54
Item 6.	Exhibits	54
Signatures		56

2

XPERI CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(unaudited)

	Three Months Ended
	March 31, 2018			March 31, 2017
Cash flows from operating activities:
Net loss	$	(33,017	)	$	(11,029	)
Adjustments to reconcile net loss to net cash from operating activities:
Depreciation of property and equipment	1,775			1,834
Amortization of intangible assets	27,166			28,554
Stock-based compensation expense	7,408			7,081
Deferred income tax	(6,743		)	(37,950		)
Amortization of premium or discount on investments and other	1,012			87
Changes in operating assets and liabilities:
Accounts receivable	(7,059		)	(7,132		)
Unbilled contracts receivable, net	31,123			30,620
Other assets	(770		)	6,575
Accounts payable	(609		)	(3,292		)
Accrued legal fees	(787		)	1,499
Accrued and other liabilities	(17,543		)	183
Deferred revenue	2,694			1,932
Net cash from operating activities	4,650			18,962
Cash flows from investing activities:
Purchases of property and equipment	(768		)	(565		)
Purchases of short-term investments	—			(11,493		)
Proceeds from sales of short-term investments	8,540			1,035
Proceeds from maturities of short-term investments	7,800			4,650
Net cash from investing activities	15,572			(6,373		)
Cash flows from financing activities:
Dividend paid	(9,886		)	(9,843		)
Repayment of debt	(100,000		)	(1,500		)
Proceeds from exercise of stock options	829			4,241
Proceeds from employee stock purchase program	3,402			1,155
Repurchase of common stock	(17,861		)	(3,251		)
Net cash from financing activities	(123,516		)	(9,198		)
Net increase (decrease) in cash, cash equivalents and restricted cash	(103,294		)	3,391
Cash and cash equivalents at beginning of period	138,260			65,626
Cash, cash equivalents and restricted cash at end of period	$	34,966		$	69,017
Supplemental disclosure of cash flow information:
Interest paid	$	5,650		$	8,100
Income taxes paid, net of refunds	$	3,963		$	3,040

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

3

XPERI CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except for par value)

 (unaudited)

	March 31, 2018			December 31, 2017
ASSETS
Current assets:
Cash and cash equivalents	$	34,966		$	138,260
Short-term investments	45,824			62,432
Accounts receivable, net	23,107			17,010
Unbilled contracts receivable	204,765			10,866
Other current assets	17,364			16,949
Total current assets	326,026			245,517
Long-term unbilled contracts receivable	71,331			2,930
Property and equipment, net	33,423			34,442
Intangible assets, net	404,623			431,789
Goodwill	385,574			385,574
Other assets	5,383			9,772
Total assets	$	1,226,360		$	1,110,024
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	3,624		$	4,233
Accrued legal fees	6,696			7,483
Accrued liabilities	30,785			47,969
Current portion of long-term debt	—			34,451
Deferred revenue	4,597			2,686
Total current liabilities	45,702			96,822
Long-term deferred tax liabilities	72,564			15,085
Long-term debt, net	480,330			545,211
Other long-term liabilities	17,403			17,330
Commitments and contingencies (Note 13)
Stockholders’ equity:
Preferred stock: $0.001 par value; 10,000 shares authorized and no shares issued and outstanding	—			—
Common stock: $0.001 par value; 150,000 shares authorized; 61,509 and 60,608 shares issued, respectively, and 49,225 and 49,103 shares outstanding, respectively	61			60
Additional paid-in capital	698,297			686,660
Treasury stock at cost: 12,284 and 11,505 shares of common stock at each period end, respectively	(337,258		)	(319,397		)
Accumulated other comprehensive loss	(520		)	(303		)
Retained earnings	249,781			68,556
Total stockholders’ equity	610,361			435,576
Total liabilities and stockholders’ equity	$	1,226,360		$	1,110,024

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

4

XPERI CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per share amounts)

(unaudited)

	Three Months Ended
	March 31, 2018			March 31, 2017
Revenue:
Royalty and license fees	$	65,532		$	67,255
Total revenue	65,532			67,255
Operating expenses:
Cost of revenue	2,324			1,400
Research, development and other related costs	26,515			26,012
Selling, general and administrative	34,702			41,205
Amortization expense	27,166			28,555
Litigation expense	7,316			9,978
Total operating expenses	98,023			107,150
Operating loss	(32,491		)	(39,895		)
Interest expense	(6,318		)	(6,459		)
Other income and expense, net	3,154			46
Loss before taxes	(35,655		)	(46,308		)
Benefit from income taxes	(2,638		)	(35,279		)
Net loss	$	(33,017	)	$	(11,029	)
Basic and diluted net loss per share:
Basic	$	(0.67	)	$	(0.22	)
Diluted	$	(0.67	)	$	(0.22	)
Cash dividends declared per share	$	0.20		$	0.20
Weighted average number of shares used in per share calculations-basic	49,302			49,139
Weighted average number of shares used in per share calculations-diluted	49,302			49,139

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

5

XPERI CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(in thousands)

 (unaudited)

	Three Months Ended
	March 31, 2018			March 31, 2017
Net loss	$	(33,017	)	$	(11,029	)
Other comprehensive income (loss):
Net unrealized gains (losses) on available-for-sale securities, net of tax	(217		)	38
Other comprehensive income (loss)	(217		)	38
Comprehensive loss	$	(33,234	)	$	(10,991	)

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

6

XPERI CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

NOTE 1 – THE COMPANY AND BASIS OF PRESENTATION

Xperi Corporation (the “Company”) completed the acquisition of DTS, Inc. ("DTS"), a publicly-traded developer of sound-based technologies, in December 2016. At the time of the acquisition, Tessera Technologies, Inc. and DTS were combined under the newly-formed Tessera Holding Corporation. During the first quarter of 2017, the Company introduced its new corporate name, “Xperi Corporation”, stock ticker, “XPER”, and launched a new corporate logo.

Xperi Corporation licenses its innovative products, technologies and inventions to global electronics companies which, in turn, integrate the technologies into their own consumer electronics and semiconductor products. The Company's technologies and inventions are widely adopted and used every day by millions of people. The Company's audio technologies have shipped in billions of devices for the home, mobile and automotive markets. The Company's imaging technologies are embedded in more than 25% of smartphones on the market today. The Company's semiconductor packaging and interconnect technologies have been licensed to more than 100 customers and have shipped in over 100 billion semiconductor chips.

The accompanying interim unaudited condensed consolidated financial statements as of March 31, 2018 and 2017, and for the three months then ended, have been prepared by the Company in accordance with generally accepted accounting principles (“GAAP”) in the United States (“U.S.”) for interim financial information. The amounts as of December 31, 2017 have been derived from the Company’s annual audited financial statements. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted in accordance with such rules and regulations. In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments necessary (consisting of normal recurring adjustments) to state fairly the financial position of the Company and its results of operations and cash flows as of and for the periods presented. These financial statements should be read in conjunction with the annual audited financial statements and notes thereto as of and for the year ended December 31, 2017, included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017, filed on February 23, 2018 (the “Form 10-K”).

The results of operations for the three months ended March 31, 2018 are not necessarily indicative of the results that may be expected for the full year ended December 31, 2018 or any future period and the Company makes no representations related thereto.

Reclassification

Certain reclassifications have been made to prior period balances in order to conform to the current period’s presentation.

NOTE 2 – SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The Company’s significant accounting policies are detailed in "Note 2 - Summary of Significant Accounting Policies" in its Form 10-K for the year ended December 31, 2017. Significant changes to its accounting policies as a result of adopting Topic 606 are discussed in Note 3 - Revenue.

Recently Adopted Accounting Pronouncements

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments. This ASU addresses the classification of certain specific cash flow issues including debt prepayment or extinguishment costs, settlement of certain debt instruments, contingent consideration payments made after a business combination, proceeds from the settlement of certain insurance claims and distributions received from equity method investees. This ASU is effective for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years, with early adoption permitted. The Company adopted this standard as of January 1, 2018. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

In October 2016, the FASB issued ASU No. 2016-16, "Intra-Entity Transfers of Assets Other Than Inventory." This ASU requires entities to recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. For public entities, this ASU is effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within those annual reporting periods. The Company adopted this standard as of January 1,

7

2018 on a prospective basis. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

In May 2017, the FASB issued ASU No. 2017-09, Compensation-Stock Compensation (Topic 718) Scope of Modification Accounting. ASU 2017-09 provides guidance about which changes to the terms or conditions of a share-based payment awarded require an entity to apply modification accounting. The standard is effective for interim and annual reporting periods beginning after December 15, 2017, with early adoption permitted. The Company adopted the standard as of January 1, 2018 on a prospective basis. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09 (Topic 606) "Revenue from Contracts with Customers." Topic 606 supersedes the revenue recognition requirements in Topic 605 “Revenue Recognition” (Topic 605), and requires entities to recognize revenue when control of goods or services is transferred to customers at an amount that reflects the consideration the entity expects to be entitled in exchange for the goods or services. Under the prior standard, licensing companies generally reported revenue from per-unit royalty based arrangements one quarter in arrears. Under the new guidance, the Company estimates per-unit royalty-based revenue prior to receiving customer royalty reports. The Company also expects the standard to have a significant impact on the timing of revenue recognition associated with its fixed fee and minimum guarantee arrangements, as a majority of such revenue which had previously been recognized over the license term is expected to be recognized at the inception of the license term. On January 1, 2018, the Company adopted the new standard using the modified retrospective method, under which the Company recorded a $224 million cumulative net of tax adjustment to the opening balance of retained earnings on January 1, 2018. The adjustment was determined by measuring the impact of the new standard on existing contracts that were not completed as of December 31, 2017. Prior period comparative information has not been restated and continues to be reported under Topic 605 in effect for those periods. The Company expects this new standard to have a material impact on its revenue and its consolidated statement of operations and balance sheet on an ongoing basis, with no impact on the timing of customer billings or on cash flows. See “Note 3 - Revenue" for further discussion.

The cumulative effect of the changes made to the Company's condensed consolidated balance sheet for the adoption of Topic 606 was as follows (in thousands):

BALANCE SHEET	Balance at December 31, 2017		Adjustments due to Topic 606			Balance at January 1, 2018
Assets
Unbilled contracts receivable	$	10,866	$	188,760		$	199,626
Other current assets	16,949		(2,000		)	14,949
Long-term unbilled contracts receivable	2,930		105,193			108,123
Other assets	9,772		(3,656		)	6,116
Liabilities
Accrued liabilities	47,969		432			48,401
Deferred revenue	2,686		(783		)	1,903
Long-term deferred tax liabilities	15,085		64,520			79,605
Equity
Retained earnings	68,556		224,128			292,684

The most significant impact from adopting Topic 606 was a substantial increase in unbilled contracts receivable, long-term deferred tax liabilities and retained earnings, which was driven primarily by applying the standard on fixed fee and minimum guarantee contracts that were not completed as of December 31, 2017, and secondarily by recording to retained earnings those royalties from customer shipments completed in the fourth quarter of 2017 and reported to the Company in the first quarter of 2018. The adjustments noted above had no impact on the Company's Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2018.

Adoption of the new revenue standard had the following impact on the Company's condensed consolidated financial statements as compared to the comparable results under the previous accounting standards (in thousands, except per share amounts):

8

	Three months ended March 31, 2018
STATEMENT OF OPERATIONS	As Reported			Amounts under Topic 605			Effect of Change Higher/(lower)
Royalty and license fees	$	65,532		$	96,160		$	(30,628	)
Cost of revenue	2,324			2,099			225
Operating loss	(32,491		)	(1,638		)	(30,853		)
Other income and expense, net	3,154			1,003			2,151
Loss before taxes	(35,655		)	(6,953		)	(28,702		)
Provision for (benefit from) income taxes	(2,638		)	2,250			(4,888		)
Net loss	(33,017		)	(9,203		)	(23,814		)
Basic/Diluted net loss per share	$	(0.67	)	$	(0.19	)	$	(0.48	)

	As of March 31, 2018
BALANCE SHEET	As Reported		Amounts under Topic 605		Effect of Change Higher/(lower)
Assets
Unbilled contracts receivable	$	204,765	$	10,340	$	194,425
Other current assets	17,364		19,114		(1,750		)
Long-term unbilled contracts receivable	71,331		2,488		68,843
Other assets	5,383		7,571		(2,188		)
Liabilities
Accrued liabilities	30,785		30,687		98
Deferred revenue	4,597		5,636		(1,039		)
Long-term deferred tax liabilities	72,564		12,610		59,954
Equity
Retained earnings	249,781		49,464		200,317

Recent Accounting Pronouncements

In February 2016, the FASB issued ASU No. 2016-02, "Leases" (Topic 842) (ASU 2016-02), which generally requires companies to recognize operating and financing lease liabilities and corresponding right-of-use assets on the balance sheet. This guidance will be effective for the Company in the first quarter of 2019, and early adoption is permitted. The Company will adopt the new standard effective January 1, 2019. While the Company continues to evaluate the effect of adopting this guidance on its consolidated financial statements and related disclosures, it is expected the Company's operating leases, as disclosed in Note 13 - "Commitments and Contingencies," will be subject to the new standard. The Company will recognize right-of-use assets and operating lease liabilities on its consolidated balance sheets upon adoption, which will increase total assets and liabilities, respectively.

In September 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”), which introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. ASU 2016-13 is effective for the Company in the first quarter of the year ending December 31, 2020. The Company is in the process of evaluating the impact of the adoption of this new standard on its consolidated financial statements.

NOTE 3 – REVENUE

9

As discussed in Note 2, on January 1, 2018, the Company adopted Topic 606 using the modified retrospective method. Results for reporting periods beginning January 1, 2018 are presented under Topic 606, while prior period amounts are not restated and continue to be reported in accordance with the historic accounting under Topic 605.

Revenue Recognition

The Company derives its revenue primarily from royalty and license fees for rights to use the Company’s intellectual property and technologies (“IP”). Revenue is recognized upon transfer of control of promised products, services or IP rights to customers in an amount that reflects the consideration the Company expects to receive in exchange for those products, services or licensing of the IP rights.

Certain licensees have entered into fixed fee or minimum guarantee arrangements, whereby licensees pay a fixed fee for the right to incorporate the Company's technology in the licensee's products over the license term. In arrangements with a minimum guarantee, the fixed fee component corresponds to a minimum number of units or dollars that the customer must produce or pay, with additional per-unit fees for any units or dollars exceeding the minimum. In most cases, the customer pays the fixed license fee in specified installments over the license term. For these agreements, the Company recognizes the full fixed fee as revenue at the beginning of the license term, when the licensee has the right to use the IP and begins to benefit from the license.

If the contract term of a fixed fee or minimum guarantee arrangement is longer than one year, the Company also considers the scheduled payment arrangements to determine whether a significant financing component exists. In general, if the payment arrangements extend beyond the initial twelve months of the contract, the Company treats a portion of the payments as a significant financing component. When the payments are expected to be received within one year or less, the Company does not adjust the promised amount of consideration for the effects of a financing component. The discount rate used for each arrangement reflects the rate that would be used in a separate financing transaction between the Company and the licensee at contract inception, and takes into account the credit characteristics of the licensee and market interest rates as of the date of the agreement. As such, the amount of fixed fee revenue recognized at the beginning of the license term will be reduced by the calculated financing component. As payments are received from the licensee, the Company recognizes a portion of the financing component as interest income, reported as other income and expense in the Consolidated Statements of Operations.

For certain licensees, royalty revenues are generated based on a licensee's production or shipment of licensed products incorporating the Company’s IP, technologies or software. Licensees with a per-unit arrangement pay a per-unit royalty for each product manufactured or sold, as set forth in its license agreement. Licensees generally report manufacturing or sales information in the quarter subsequent to when the shipment activity takes place. The Company estimates the royalties earned each quarter based on its forecast of manufacturing and sales activity incurred by its licensees in that quarter. Any differences between actual royalties owed by a licensee and the Company’s quarterly estimate are recognized in the following quarter, when the licensee’s royalty report is received. Estimating licensees’ quarterly royalties prior to receiving the royalty reports requires the Company to make significant assumptions and judgments that could have a material impact on the amount of revenue it reports on a quarterly basis.

The Company actively monitors and enforces its IP, including seeking appropriate compensation from customers that have under-reported royalties owed under a license agreement and from third parties that utilize the Company’s intellectual property without a license. As a result of these activities, the Company may, from time to time, recognize revenue from payments resulting from periodic compliance audits of licensees for underreporting royalties incurred in prior periods, as part of a settlement of a patent infringement dispute, or legal judgments from a license dispute. These recoveries and settlements may cause revenue to be higher than expected during a particular reporting period and such recoveries may not occur in subsequent periods. The Company recognizes revenue from recoveries when a binding agreement has been executed and the Company concludes collection under that agreement is likely.

In some instances, the Company may enter into license agreements that contain multiple performance obligations that include engineering services in addition to a technology or software license. For such arrangements where all components are capable of being distinct and accounted for as separate performance obligations, the Company allocates revenue to each performance obligation based on its relative standalone selling price. The Company generally determines standalone selling prices based on the prices ordinarily charged to customers, or in some cases by applying a reasonable cost-plus margin. The consideration for engineering services is recognized as the underlying performance obligations are satisfied. Generally, the Company satisfies performance obligations over time and therefore recognizes revenue over time by measuring the progress toward completion of the performance obligation at each reporting period.

Revenue is recognized gross of withholding taxes that are remitted directly by the Company's licensees directly to a local tax authority.

10

For additional detail on the Company's revenue disaggregated by geographic location, refer to Note 14 - "Segment and Geographic Information."

Contract Balances

Unbilled Contracts Receivable

Timing of revenue recognition may differ significantly from the timing of invoicing to customers. Accounts receivable, net, include amounts billed and currently due from customers. Unbilled contracts receivable represent unbilled amounts expected to be received from customers in future periods, where the revenue recognized to date (or cumulative adjustments to retained earnings in the initial period of adopting Topic 606) exceeds the amount billed, and right to payment is subject to the underlying contractual terms. Unbilled contracts receivable amounts may not exceed their net realizable value and are classified as long-term assets if the payments are expected to be received more than one year from the reporting date.

Deferred Revenue

Deferred revenue includes payments made by licensees for which the corresponding performance obligations have not yet been fully satisfied by the Company and typically occurs when performance obligations are satisfied over time.

The following table presents additional revenue and contract disclosures (in thousands):

	Three months ended March 31,
	2018		2017
Revenue recognized in the period from:
Amounts included in deferred revenue at the beginning of the period	$	353	$	236
Performance obligations satisfied in previous periods (true ups or settlements)	—		—

Remaining revenue under contracts with performance obligations represents the aggregate amount of the transaction price allocated to the performance obligations that are unsatisfied (or partially unsatisfied) under the Company’s engineering services contracts. The Company's remaining revenue under contracts with performance obligations was as follows (in thousands):

	As of
	March 31, 2018		December 31, 2017
Revenue from contracts with performance obligations expected to be satisfied in:
One year or less	$	4,442	$	2,440
More than one year but less than two years	175		149
More than two years	274		240
Total	$	4,891	$	2,829

Practical Expedients

The Company expenses sales commissions when incurred because the amortization period generally would have been one year or less. In addition, sales commissions have historically not been a significant expense and are not contemplated to be significant in the future. Sales commissions are recorded in selling, general and administrative expenses in the consolidated statement of operations.

NOTE 4 – COMPOSITION OF CERTAIN FINANCIAL STATEMENT CAPTIONS

Other current assets consisted of the following (in thousands):

11

	March 31, 2018		December 31, 2017
Prepaid income taxes	$	6,609	$	6,713
Prepaid expenses	7,009		6,655
Other	3,746		3,581
	$	17,364	$	16,949

Property and equipment, net consisted of the following (in thousands):

	March 31, 2018			December 31, 2017
Equipment, furniture and other	$	26,735		$	26,029
Building and improvements	18,222			18,222
Land	5,300			5,300
Leasehold improvements	6,437			6,469
	56,694			56,020
Less: accumulated depreciation and amortization	(23,271		)	(21,578		)
	$	33,423		$	34,442

Depreciation and amortization expense for the three months ended March 31, 2018 and 2017 amounted to $1.8 million and $1.8 million, respectively.

Accrued liabilities consisted of the following (in thousands):

	March 31, 2018		December 31, 2017
Employee compensation and benefits	$	21,093	$	37,056
Other	9,692		10,913
	$	30,785	$	47,969

Accumulated other comprehensive loss consisted of the following (in thousands):

	March 31, 2018			December 31, 2017
Unrealized loss on available-for-sale securities, net of tax	$	(520	)	$	(303	)
	$	(520	)	$	(303	)

Other income and expense, net, consisted of the following (in thousands):

	For the three months ended,
	March 31, 2018		March 31, 2017
Interest income from significant financing components under Topic 606	$	2,151	$	—
Interest income from investments	250		213
Other income (losses)	753		(167		)
	$	3,154	$	46

NOTE 5 – FINANCIAL INSTRUMENTS

The following is a summary of marketable securities at March 31, 2018 and December 31, 2017 (in thousands):

12

	March 31, 2018
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Values
Available-for-sale securities
Corporate bonds and notes	$	37,945	$	—	$	(441	)	$	37,504
Commercial paper	2,399		—		—			2,399
Treasury and agency notes and bills	6,000		—		(79		)	5,921
Money market funds	2,124		—		—			2,124
Total available-for-sale securities	$	48,468	$	—	$	(520	)	$	47,948
Reported in:
Cash and cash equivalents								$	2,124
Short-term investments								45,824
Total marketable securities								$	47,948

	December 31, 2017
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Values
Available-for-sale securities
Corporate bonds and notes	$	45,803	$	—	$	(230	)	$	45,573
Commercial paper	2,392		—		(2		)	2,390
Treasury and agency notes and bills	6,000		—		(71		)	5,929
Certificates of deposit	8,540		—		—			8,540
Money market funds	40,413		—		—			40,413
Total available-for-sale securities	$	103,148	$	—	$	(303	)	$	102,845
Reported in:
Cash and cash equivalents								$	40,413
Short-term investments								62,432
Total marketable securities								$	102,845

At March 31, 2018 and December 31, 2017, the Company had $80.8 million and $200.7 million, respectively, in cash, cash equivalents and short-term investments. These balances include $32.8 million and $97.8 million in cash held in operating accounts not included in the tables above at March 31, 2018 and December 31, 2017, respectively.

The gross realized gains and losses on sales of marketable securities were not significant during the three months ended March 31, 2018 and 2017.

Unrealized losses were $0.5 million and $0.3 million, net of tax, as of March 31, 2018 and December 31, 2017, respectively. These amounts were related to temporary fluctuations in value of the remaining available-for-sale securities and were due primarily to changes in interest rates and market and credit conditions of the underlying securities. Certain investments with a temporary decline in value are not considered to be other-than-temporarily impaired as of March 31, 2018 because the Company has the intent and ability to hold these investments to allow for recovery, does not anticipate having to sell these securities with unrealized losses and continues to receive interest at the maximum contractual rate. For the three months ended March 31, 2018 and 2017, respectively, the Company did not record any impairment charges related to its marketable securities.

The following table summarizes the fair value and gross unrealized losses related to individual available-for-sale securities at March 31, 2018 and December 31, 2017, which have been in a continuous unrealized loss position, aggregated by investment category and length of time (in thousands):

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March 31, 2018	Less Than 12 Months					12 Months or More					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Corporate bonds and notes	$	30,557	$	(401	)	$	6,947	$	(40	)	$	37,504	$	(441	)
Treasury and agency notes and bills	—		—			5,921		(79		)	5,921		(79		)
Total	$	30,557	$	(401	)	$	12,868	$	(119	)	$	43,425	$	(520	)

December 31, 2017	Less Than 12 Months					12 Months or More					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Corporate bonds and notes	$	30,811	$	(189	)	$	14,762	$	(41	)	$	45,573	$	(230	)
Commercial paper	2,390		(2		)	—		—			2,390		(2		)
Treasury and agency notes and bills	—		—			5,929		(71		)	5,929		(71		)
Total	$	33,201	$	(191	)	$	20,691	$	(112	)	$	53,892	$	(303	)

The estimated fair value of marketable securities by contractual maturity at March 31, 2018 is shown below (in thousands). Actual maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations without call or prepayment penalties.

	Estimated Fair Value
Due in one year or less	$	19,224
Due in one to two years	19,070
Due in two to three years	9,654
Total	$	47,948

NOTE 6 – FAIR VALUE

The Company follows the authoritative guidance for fair value measurement and the fair value option for financial assets and financial liabilities. Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability, or an exit price, in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The established fair value hierarchy requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. There are three levels of inputs that may be used to measure fair value:

Level 1	Quoted prices in active markets for identical assets.
Level 2	Observable market-based inputs or unobservable inputs that are corroborated by market data.
Level 3	Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets. Level 3 assets and liabilities include financial instruments whose value is determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.

When applying fair value principles in the valuation of assets, the Company is required to maximize the use of quoted market prices and minimize the use of unobservable inputs. The Company calculates the fair value of its Level 1 and Level 2 instruments based on the exchange traded price of similar or identical instruments, where available, or based on other observable inputs. There were no significant transfers into or out of Level 1 or Level 2 that occurred between December 31, 2017 and March 31, 2018.

The following is a list of the Company’s assets required to be measured at fair value on a recurring basis and where they were classified within the hierarchy as of March 31, 2018 (in thousands):

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	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Marketable securities
Money market funds (1)	$	2,124	$	2,124	$	—	$	—
Corporate bonds and notes (2)	37,504		—		37,504		—
Treasury and agency notes and bills (2)	5,921		—		5,921		—
Commercial paper (2)	2,399		—		2,399		—
Total Assets	$	47,948	$	2,124	$	45,824	$	—

The following footnotes indicate where the noted items were recorded in the Condensed Consolidated Balance Sheet at March 31, 2018:

(1) Reported as cash and cash equivalents.

(2) Reported as short-term investments.

The following is a list of the Company’s assets required to be measured at fair value on a recurring basis and where they were classified within the hierarchy as of December 31, 2017 (in thousands):

	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level  1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Marketable securities
Money market funds (1)	$	40,413	$	40,413	$	—	$	—
Certificates of deposit (2)	8,540		—		8,540		—
Corporate bonds and notes (2)	45,573		—		45,573		—
Treasury and agency notes and bills (2)	5,929		—		5,929		—
Commercial paper (2)	2,390		—		2,390		—
Total Assets	$	102,845	$	40,413	$	62,432	$	—

The following footnotes indicate where the noted items were recorded in the Consolidated Balance Sheet at December 31, 2017:

(1) Reported as cash and cash equivalents.

(2) Reported as short-term investments.

The Company also has outstanding debt at March 31, 2018 and December 31, 2017 that is considered a level 2 liability and is measured at fair value on a recurring basis. See “Note 8 - Debt” for additional information. At March 31, 2018 and December 31, 2017, the fair value of the Company's debt was not materially different than the outstanding principal amount.

NOTE 7 – GOODWILL AND IDENTIFIED INTANGIBLE ASSETS

The Company's reporting units include the Product Licensing segment and the Semiconductor and IP Licensing segment. Of the carrying value of goodwill, approximately $377.9 million was allocated to the Product Licensing segment and approximately $7.7 million was allocated to the Semiconductor and IP Licensing segment as of March 31, 2018 and December 31, 2017, respectively.

Identified intangible assets consisted of the following (in thousands):

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		March 31, 2018							December 31, 2017
	Average Life (Years)	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
Acquired patents / core technology	3-15	$	142,584	$	(117,314	)	$	25,270	$	142,584	$	(113,349	)	$	29,235
Existing technology	5-10	204,394		(70,085		)	134,309		204,394		(61,518		)	142,876
Customer contracts and related relationships	3-9	291,769		(81,658		)	210,111		291,769		(68,267		)	223,502
Trademarks/trade name	4-10	40,083		(7,354		)	32,729		40,083		(6,111		)	33,972
Non-competition agreements	1	2,231		(2,231		)	—		2,231		(2,231		)	—
Total amortizable intangible assets		681,061		(278,642		)	402,419		681,061		(251,476		)	429,585
In-process research and development		2,204		—			2,204		2,204		—			2,204
Total intangible assets		$	683,265	$	(278,642	)	$	404,623	$	683,265	$	(251,476	)	$	431,789

Amortization expense for the three months ended March 31, 2018 and 2017 amounted to $27.2 million and $28.6 million, respectively.

As of March 31, 2018, the estimated future amortization expense of total (amortizable) intangible assets was as follows (in thousands):

2018 (remaining 9 months)	$	80,775
2019	98,855
2020	87,140
2021	79,478
2022	31,173
Thereafter	24,998
	$	402,419

NOTE 8 - DEBT

On December 1, 2016, in connection with the consummation of the acquisition of DTS, the Company entered into a Credit Agreement (the “Credit Agreement”) by and among the Company, Royal Bank of Canada, as administrative agent and collateral agent, and the lenders party thereto. The Credit Agreement provided for a $600 millionseven-year term B loan facility (the “Term B Loan Facility”) which matures on November 30, 2023. Upon the closing of the Credit Agreement, the Company borrowed $600 million under the Term B Loan facility. Net proceeds were used on December 1, 2016, together with cash and cash equivalents, to finance the acquisition of DTS.

On January 23, 2018, the Company and the loan parties entered into an amendment to the Credit Agreement (the “Amendment”). In connection with the Amendment, the Company made a voluntary prepayment of $100.0 million of the term loan outstanding under the Credit Agreement using cash on hand. The Amendment provided for, among other things, (i) a replacement of the outstanding initial term loan with the new tranche term B-1 loan (the “Amended Term B Loan”) in a principal amount of $494.0 million, (ii) a reduction of the interest rate margin applicable to such loan to (x) in the case of Eurodollar loans, 2.50% per annum and (y) in the case of base rate loans, 1.50% per annum, (iii) a prepayment premium of 1.00% in connection with any repricing transaction with respect to the Amended Term B Loan within six months of the closing date of the Amendment, and (iv) certain amendments to provide the Company with additional flexibility under the covenant governing restricted payments.

The Company’s obligations under the Credit Agreement, as amended by the Amendment, continue to be guaranteed by substantially all of the Company’s subsidiaries, and secured by substantially all of the assets of the Company and its subsidiaries. The Credit Agreement contains customary events of default, upon the occurrence of which, after any applicable grace period, the lenders will have the ability to accelerate all outstanding loans thereunder. The Credit Agreement contains customary representations and warranties and affirmative and negative covenants that, among other things, restrict the ability of the Company to create or incur certain liens, incur or guarantee additional indebtedness, merge or consolidate with other

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companies, transfer or sell assets and make restricted payments. The Company was in compliance with all requirements during the three months ended March 31, 2018.

All lenders of the Term B Loan Facility participated in the Amendment and the changes in terms were not considered substantial. Accordingly, the repricing event was accounted for as a debt modification. In connection with the repricing, the Company incurred and expensed $1.1 million in third party costs, which were recorded in selling, general and administrative expense in the Condensed Consolidated Statement of Operations, in the first quarter of 2018. In addition, the Company elected to continue to defer the unamortized debt issuance costs related to the partial pay-down of the debt as the prepayment was factored into the terms agreed to on the debt.

At March 31, 2018, $494 million was outstanding with an interest rate, including the amortization of debt issuance costs, of 5.1%. Interest is payable monthly. There were also $13.7 million of unamortized debt issuance costs recorded as a reduction of the long-term portion of the debt. Interest expense was $6.3 million and $6.5 million for the three months ended March 31, 2018 and 2017, respectively. Amortized debt issuance costs, which were included in the interest expense, amounted to $0.7 million and $0.6 million for the three months ended March 31, 2018 and 2017, respectively. Other than the voluntary prepayment of $100 million in January 2018, there were no other debt principal payments in the first quarter of 2018 as the prepayment exceeded the minimum principal payment requirements. During the three months ended March 31, 2017, there was a debt principal payment of $1.5 million.

As of March 31, 2018, future minimum principal payments for long-term debt are summarized as follows (in thousands):

2018 (remaining 9 months)	$	—
2019	—
2020	—
2021	—
2022	—
Thereafter	494,000
Total	$	494,000

NOTE 9 – NET LOSS PER SHARE

The Company has a share-based compensation plan under which employees may be granted share-based awards including shares of restricted stock and restricted stock units ("RSUs"). Non-forfeitable dividends are paid on unvested shares of restricted stock. No dividends are accrued or paid on unvested RSUs. As such, shares of restricted stock are considered participating securities under the two-class method of calculating earnings per share. The two-class method of calculating earnings per share did not have a material impact on the Company’s loss per share calculation for the three months ended March 31, 2018 and 2017.

The following table sets forth the computation of basic and diluted shares (in thousands):

	Three Months Ended
	March 31, 2018	March 31, 2017
Denominator:
Weighted average common shares outstanding	49,302	49,144
Less: shares of restricted stock subject to repurchase	—	(5	)
Total common shares-basic	49,302	49,139
Effect of dilutive securities:
Options	—	—
Restricted stock awards and units	—	—
Total common shares-diluted	49,302	49,139

Basic net income (loss) per share is computed using the weighted average number of common shares outstanding during the period, excluding any unvested restricted stock awards that are subject to repurchase. Diluted net income (loss) per share is computed using the treasury stock method to calculate the weighted average number of common shares and, if dilutive, potential common shares outstanding during the period. Potential dilutive common shares include unvested restricted stock awards and units and incremental common shares issuable upon the exercise of stock options, less shares from assumed

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proceeds. The assumed proceeds calculation includes actual proceeds to be received from the employee upon exercise and the average unrecognized stock compensation cost during the period.

For the three months ended March 31, 2018 and 2017, there was no difference in the weighted average number of common shares used for the calculation of basic and diluted loss per share as the effect of all potentially dilutive shares outstanding was anti-dilutive. A total of 3.1 million shares subject to stock options and restricted stock awards and units were excluded from the computation of diluted net loss per share for the three months ended March 31, 2018 because including them would have been anti-dilutive. For the three months ended March 31, 2017, in the calculation of net loss per share, 0.7 million shares subject to stock options and restricted stock awards and units were excluded from the computation of diluted net income per share as they were anti-dilutive.

NOTE 10 – STOCKHOLDERS’ EQUITY

Stock Repurchase Programs

In August 2007, the Company’s Board of Directors (“the Board”) authorized a plan to repurchase the Company’s outstanding shares of common stock dependent on market conditions, share price and other factors. As of March 31, 2018, the Company has repurchased a total of approximately 11,787,000 shares of common stock, since inception of the plan, at an average price of $27.33 per share for a total cost of $322.1 million. As of December 31, 2017, the Company had repurchased a total of approximately 11,142,000 shares of common stock, since inception of the plan, at an average price of $27.57 per share for a total cost of $307.2 million. The shares repurchased are recorded as treasury stock and are accounted for under the cost method. No expiration date has been specified for this plan. As of March 31, 2018, the total remaining amount available for repurchase was $127.9 million. The Company plans to continue to execute authorized repurchases from time to time under the plan.

Stock Option Plans

The 2003 Plan

As of March 31, 2018, there were approximately 0.1 million shares reserved for future grant under the Company’s 2003 Equity Incentive Plan (the “2003 Plan”). At the 2018 annual stockholders meeting held on April 27, 2018, shareholders approved an amendment to the 2003 Plan reserving an additional 3.9 million shares for future issuance.

A summary of the stock option activity is presented below (in thousands, except per share amounts):

	Options Outstanding
	Number of Shares Subject to Options		Weighted Average Exercise Price Per Share
Balance at December 31, 2017	1,172		$24.06
Options granted	—		—
Options exercised	(45	)	$18.23
Options canceled / forfeited / expired	(35	)	$34.58
Balance at March 31, 2018	1,092		$23.97

Restricted Stock Awards and Units

Information with respect to outstanding restricted stock awards and units as of March 31, 2018 is as follows (in thousands, except per share amounts):

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	Restricted Stock and Restricted Stock Units
	Number of Shares Subject to Time- based Vesting		Number of Shares Subject to Performance- based Vesting		Total Number of Shares		Weighted Average Grant Date Fair Value Per Share
Balance at December 31, 2017	2,014		1,119		3,133		$	33.35
Awards and units granted	683		—		683		$	22.37
Awards and units vested / earned	(506	)	(171	)	(677	)	$	35.62
Awards and units canceled / forfeited	(74	)	(227	)	(301	)	$	29.03
Balance at March 31, 2018	2,117		721		2,838		$	30.63

Performance Awards and Units

Performance awards and units may be granted to employees or consultants based upon, among other things, the contributions, responsibilities and other compensation of the particular employee or consultant. The value and the vesting of such performance awards and units are generally linked to one or more performance goals or other specific performance goals determined by the Company, in each case on a specified date or dates or over any period or periods determined by the Company, and range from zero to 100 percent of the grant.

Employee Stock Purchase Plans

As of March 31, 2018, there were approximately 265,000 shares reserved for grant under the Company’s 2003 Employee Stock Purchase Plan (the “ESPP”) and the International Employee Stock Purchase Plan (the “International ESPP”), collectively. At the 2018 annual stockholders meeting on April 27, 2018, shareholders approved an amendment to the ESPP adding an additional 1.0 million shares to the share reserve.

NOTE 11 – STOCK-BASED COMPENSATION EXPENSE

The effect of recording stock-based compensation expense for the three months ended March 31, 2018 and 2017 is as follows (in thousands):

	Three Months Ended
	March 31, 2018			March 31, 2017
Research, development and other related costs	$	3,094		$	2,870
Selling, general and administrative	4,314			4,211
Total stock-based compensation expense	7,408			7,081
Tax effect on stock-based compensation expense	(1,256		)	(2,019		)
Net effect on net income (loss)	$	6,152		$	5,062

Stock-based compensation expense categorized by various equity components for the three months ended March 31, 2018 and 2017 is summarized in the table below (in thousands):

	Three Months Ended
	March 31, 2018		March 31, 2017
Employee stock options	$	177	$	645
Restricted stock awards and units	6,432		6,006
Employee stock purchase plan	799		430
Total stock-based compensation expense	$	7,408	$	7,081

There were no options granted in the three months ended March 31, 2018 and 2017.

ESPP grants occur in February and August. The following assumptions were used to value the ESPP shares for these grants:

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	February 2018		February 2017
Expected life (years)	2.0		2.0
Risk-free interest rate	2.2	%	1.2	%
Dividend yield	3.6	%	2.0	%
Expected volatility	39.4	%	28.3	%

NOTE 12 – INCOME TAXES

For the three months ended March 31, 2018, the Company recorded an income tax benefit of $2.6 million on a pre-tax loss of $35.7 million which resulted in an effective tax rate of 7.4%. The effective tax rate was primarily related to tax benefit from losses and credits generated from operations offset by foreign withholding taxes, certain book-to-tax permanent differences, valuation allowance recorded against the Company’s unutilized tax credits generated in the current year, and shortfalls from stock-based compensation. For the three months ended March 31, 2017, the Company recorded an income tax benefit of $35.3 million on a pre-tax loss of $46.3 million which resulted in an effective tax rate of 76.2%. The effective tax rate was primarily related to losses in foreign operations, as the Company’s tax rates on those operations were generally lower than the U.S. statutory rate. The Company's provision for income taxes is based on its worldwide estimated annualized effective tax rate, except for jurisdictions for which a loss is expected for the year and no benefit can be realized for those losses, and the tax effect of discrete items occurring during the period. The tax for jurisdictions for which a loss is expected and no benefit can be realized for the year is based on actual taxes and tax reserves for the quarter. The income tax benefit for the three months ended March 31, 2018 as compared to the income tax benefit during the same period in the prior year is largely attributable to valuation allowance recorded against the Company’s tax credits and the reduction in year-to-date losses.

As of March 31, 2018, unrecognized tax benefits were $33.8 million (which is included in long-term deferred tax and other liabilities on the Condensed Consolidated Balance Sheet), of which $22.2 million would affect the effective tax rate if recognized. As of March 31, 2017, unrecognized tax benefits were $30.1 million (which was included in long-term deferred tax and other liabilities on the Condensed Consolidated Balance Sheet), of which $23.8 million would affect the effective tax rate if recognized. The Company is unable to reasonably estimate the timing of the long-term payments or the amount by which the liability will increase or decrease.

It is the Company's policy to classify accrued interest and penalties related to unrecognized tax benefits in the provision for income taxes. For the three months ended March 31, 2018 and March 31, 2017, the Company recognized an insignificant amount of interest and penalties related to unrecognized tax benefits. Accrued interest and penalties were $0.7 million and $0.6 million as of March 31, 2018 and December 31, 2017, respectively.

At March 31, 2018, the Company's 2013 through 2017 tax years were open and subject to potential examination in one or more jurisdictions. In addition, in the U.S., any net operating losses or credits that were generated in prior years but not yet fully utilized in a year that is closed under the statute of limitations may also be subject to examination. The Company is currently under examination by the Internal Revenue Service for tax year 2014 and cannot estimate the financial outcome of the examination. The Company is not currently under foreign income tax examination.

On December 22, 2017, the Tax Cut and Jobs Act (“Tax Act”) was signed into law. The Tax Act introduced a broad range of tax reform measures that significantly change the federal income tax laws. As of December 31, 2017, the Company recorded a provisional tax expense in the Statement of Operations of approximately $5.6 million, comprised of approximately $13.5 million tax expense from recording additional valuation allowance against federal tax credits due to certain provisions of the Tax Act, offset by approximately $7.9 million of tax benefit from the remeasurement of U.S. deferred taxes using the relevant tax rate at which the Company expects them to reverse in the future. The estimated one-time transition tax on post-1986 foreign unremitted earnings is not anticipated to have a material impact to the Company's effective tax rate. As of March 31, 2018, the Company has not recorded any adjustments to the provisional tax expense. The Company continues to monitor supplemental legislation and technical interpretations of the tax law that may cause the final impact from the Tax Act to differ from the provisionally recorded amounts. The Company expects to complete its analysis within the measurement period allowed by Staff Accounting Bulletin (“SAB”) No.118, no later than the fourth quarter of 2018.

NOTE 13 – COMMITMENTS AND CONTINGENCIES

Lease Commitments

The Company leases office and research facilities and office equipment under operating leases which expire at various dates through 2029. Under lease agreements that contain escalating rent provisions, lease expense is recorded on a straight-line basis

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over the lease term. There were no material changes to our future minimum lease payments during the three months ended March 31, 2018. Rent expense for the three months ended March 31, 2018 and 2017 amounted to $1.8 million and $1.5 million, respectively.

Contingencies

At each reporting period, the Company evaluates whether or not a potential loss amount or a potential range of loss is probable and reasonably estimable under the provisions of the authoritative guidance that addresses accounting for contingencies. The Company is currently unable to predict the final outcome of lawsuits to which it is a party and therefore cannot determine the likelihood of loss nor estimate a range of possible loss. An adverse decision in any of these proceedings could significantly harm the Company’s business and consolidated financial position, results of operations or cash flows.

Tessera, Inc. v. Toshiba Corporation, Civil Action No. 5:15-cv-02543-BLF (N.D. Cal.)

On May 12, 2015, Tessera, Inc. filed a complaint against Toshiba Corporation (“Toshiba”) in California Superior Court. Tessera, Inc.’s complaint alleges causes of action for breach of contract, breach of the implied covenant of good faith and fair dealing, and declaratory relief, generally alleging that Toshiba underpaid royalties and failed to cooperate with audits conducted pursuant to the parties’ license agreement.

On June 8, 2015, Toshiba removed the action to the U.S. District Court for the Northern District of California. On June 18, 2015, Toshiba filed its answer, affirmative defenses, and counterclaims to Tessera, Inc.’s complaint. Toshiba alleges counterclaims for declaratory judgment and breach of the implied warranty of good faith and fair dealing. The counterclaims seek, among other things, judicial determinations about the interpretation of the parties’ agreement, termination of the agreement, an accounting of the amount of alleged overpayments by Toshiba, restitution, and damages. On July 10, 2015, Tessera, Inc. filed its answer and affirmative defenses to Toshiba’s counterclaims. On March 17, 2016, Tessera, Inc. filed an amended complaint adding a claim for declaratory relief regarding a February 12, 2016 letter sent by Toshiba to Tessera, Inc. purporting to terminate the parties’ license agreement. On March 18, 2016, Toshiba filed its amended answer, affirmative defenses, and counterclaims. On April 4, 2016, Tessera, Inc. filed an answer to Toshiba’s amended counterclaims.

An initial summary judgment hearing on contract issues took place on September 22, 2016. On November 7, 2016, the Court entered an order granting Toshiba’s motion regarding the definition of “TCC,” and denying summary judgment on the other issues raised by the parties’ cross-motions. On December 6, 2016, Tessera, Inc. filed a motion pursuant to Federal Rule of Civil Procedure 54(b) seeking authorization to appeal the order and for a stay. On March 6, 2017, the Court granted the Rule 54(b) motion. The Court subsequently vacated the trial date and stayed the remainder of the district court proceedings.

On April 4, 2017, Tessera, Inc. filed a notice of appeal to the U.S. Court of Appeals for the Ninth Circuit. The parties completed briefing on November 2, 2017. A hearing for oral argument has not yet been scheduled.

Other Litigation Matters

The Company and its subsidiaries are involved in litigation matters and claims in the normal course of business. In the past, the Company and its subsidiaries have litigated to enforce their respective patents and other intellectual property rights, to enforce the terms of license agreements, to protect trade secrets, to determine the validity and scope of the proprietary rights of others and to defend itself or its customers against claims of infringement or invalidity. The Company expects it or its subsidiaries will be involved in similar legal proceedings in the future, including proceedings regarding infringement of its patents, and proceedings to ensure proper and full payment of royalties by licensees under the terms of its license agreements.

The existing and any future legal actions may harm the Company’s business. For example, legal actions could cause an existing licensee or strategic partner to cease making royalty or other payments to the Company, or to challenge the validity and enforceability of patents owned by the Company’s subsidiaries or the scope of license agreements with the Company’s subsidiaries, and could significantly damage the Company’s relationship with such licensee or strategic partner and, as a result, prevent the adoption of the Company’s other technologies by such licensee or strategic partner. Litigation could also severely disrupt or shut down the business operations of licensees or strategic partners of the Company’s subsidiaries, which in turn would significantly harm ongoing relations with them and cause the Company to lose royalty revenue.

The costs associated with legal proceedings are typically high, relatively unpredictable, and not completely within the Company’s control. These costs may be materially higher than expected, which could adversely affect the Company’s operating results and lead to volatility in the price of its common stock. Whether or not determined in the Company’s favor or ultimately settled, litigation diverts managerial, technical, legal, and financial resources from the Company’s business operations. Furthermore, an adverse decision in any of these legal actions could result in a loss of the Company’s proprietary rights, subject

21

the Company to significant liabilities, require the Company to seek licenses from others, limit the value of the Company’s licensed technology or otherwise negatively impact the Company’s stock price or its business and consolidated financial position, results of operations or cash flows.

NOTE 14 – SEGMENT AND GEOGRAPHIC INFORMATION

The Company reports its financial results within two reportable segments: (1) Product Licensing and (2) Semiconductor and IP Licensing. There are certain corporate overhead costs that are not allocated to these reportable segments because these operating amounts are not considered in evaluating the operating performance of the Company’s business segments.

The Chief Executive Officer is also the Chief Operating Decision Maker (“CODM”) as defined by the authoritative guidance on segment reporting.

The Product Licensing segment, including the Company's DTS and FotoNation subsidiaries, licenses its technologies and intellectual property related to audio, digital radio and imaging solutions under the brands DTS, HD Radio and FotoNation. The Product Licensing solutions typically include the delivery of software or hardware-based solutions, combined with various other intellectual property, including know how, patents, trademarks, and copyrights. Product Licensing represents revenue derived primarily from the consumer electronics market and related applications servicing the home, automotive and mobile markets.

The Semiconductor and IP Licensing segment develops and licenses semiconductor technologies and IP to manufacturers, foundries, subcontract assemblers and others. The segment includes revenue generated from the technology and IP portfolios of Tessera, Inc., Invensas and Invensas Bonding Technologies, Inc. (formally Ziptronix, Inc.). Tessera, Inc. pioneered chip-scale packaging solutions. Invensas develops advanced semiconductor packaging and 3D interconnect solutions, including wafer bonding solutions, for applications such as smartphones, tablets, laptops, PCs, data centers and automobiles. The Company expands its technology and IP offerings in this segment through a combination of internal R&D and acquisitions. The Company also provides engineering services to customers in the form of technology demonstrations and technology transfers to assist their evaluation and adoption of the Company's technologies. Through the Company’s technology transfer service, the Company provides detailed documentation outlining design guidelines, process specifications, recommended equipment and process parameters as well as hands-on engineering support to assist its licensees in bringing up and qualifying its technologies at their facilities. This service allows licensees to readily leverage the Company’s years of experience and expertise in direct and hybrid bonding.

The Company does not identify or allocate assets by reportable segment, nor does the CODM evaluate reportable segments using discrete asset information. Reportable segments do not record inter-segment revenue and accordingly there are none to report. The Company does not allocate other income and expense to reportable segments. Although the CODM uses operating income to evaluate reportable segments, operating costs included in one segment may benefit other segments.

The following table sets forth the Company’s segment revenue, operating expenses and operating income (loss) for the three months ended March 31, 2018 and 2017 (in thousands):

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	Three Months Ended,
	March 31, 2018			March 31, 2017
Revenue:
Product licensing segment	$	53,216		$	27,701
Semiconductor and IP licensing segment	12,316			39,554
Total revenue	65,532			67,255
Operating expenses:
Product licensing segment	43,891			43,182
Semiconductor and IP licensing segment	19,430			22,763
Unallocated operating expenses (1)	34,702			41,205
Total operating expenses	98,023			107,150
Operating income (loss):
Product licensing segment	9,325			(15,481		)
Semiconductor and IP licensing segment	(7,114		)	16,791
Unallocated operating expenses (1)	(34,702		)	(41,205		)
Total operating loss	$	(32,491	)	$	(39,895	)

(1) Unallocated operating expenses consist primarily of general and administrative expenses, such as administration, human resources, finance, information technology, corporation development and procurement. These expenses are not allocated because these amounts are not considered in evaluating the operating performance of the Company’s business segments.

A significant portion of the Company’s revenue is derived from licensees headquartered outside of the U.S., principally in Asia, and it is expected that this revenue will continue to account for a significant portion of total revenue in future periods. The table below lists the geographic revenue for the periods indicated (in thousands):

	Three Months Ended,
	March 31, 2018				March 31, 2017
Japan	$	19,345	30	%	$	13,891	21	%
Korea	14,428		22		6,887		10
China	14,145		21		3,055		4
U.S.	11,628		18		33,405		50
Taiwan	531		1		7,991		12
Other	5,455		8		2,026		3
	$	65,532	100	%	$	67,255	100	%

For the three months ended March 31, 2018 and 2017, there were one and two customers, respectively, that each accounted for 10% or more of total revenue. As of March 31, 2018 and December 31, 2017, there were one and three customers that each accounted for 10% or more of total accounts receivable, respectively.

NOTE 15 - SUBSEQUENT EVENTS

On April 26, 2018, the Board declared a cash dividend of $0.20 per share of common stock, payable on June 14, 2018 for the stockholders of record at the close of business on May 24, 2018.

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following discussion should be read in conjunction with the attached unaudited condensed consolidated financial statements and notes thereto, and with our audited financial statements and notes thereto for the year ended December 31, 2017 found in the Form 10-K.

This Quarterly Report contains forward-looking statements, which are subject to the safe harbor provisions created by the Private Securities Litigation Reform Act of 1995. Words such as “expects,” “anticipates,” “plans,” “believes,” “seeks,”

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“estimates,” “could,” “would,” “may,” “intends,” “targets” and similar expressions or variations of such words are intended to identify forward-looking statements, but are not the exclusive means of identifying forward-looking statements in this Quarterly Report. The identification of certain statements as “forward-looking” is not intended to mean that other statements not specifically identified are not forward-looking. All statements other than statements about historical facts are statements that could be deemed forward-looking statements, including, but not limited to, statements that relate to our future revenue, product development, demand, acceptance and market share, growth rate, competitiveness, gross margins, levels of research, development and other related costs, expenditures, the outcome or effects of and expenses related to litigation and administrative proceedings related to our patents, our intent to enforce our intellectual property, our ability to license our intellectual property, tax expenses, cash flows, our ability to liquidate and recover the carrying value of our investments, our management's plans and objectives for our current and future operations, our plans for quarterly dividends and stock repurchases, the levels of customer spending or research and development activities, general economic conditions, and the sufficiency of financial resources to support future operations and capital expenditures.

Although forward-looking statements in this Quarterly Report reflect the good faith judgment of our management, such statements can only be based on facts and factors currently known by us. Consequently, forward-looking statements are inherently subject to risks, uncertainties, and changes in condition, significance, value and effect, including those discussed below under the heading “Risk Factors” within Part II, Item 1A of this Quarterly Report and other documents we file from time to time with the Securities and Exchange Commission (the “SEC”), such as our annual reports on Form 10-K, our quarterly reports on Form 10-Q and our current reports on Form 8-K. Such risks, uncertainties and changes in condition, significance, value and effect could cause our actual results to differ materially from those expressed herein and in ways not readily foreseeable. Readers are urged not to place undue reliance on these forward-looking statements, which speak only as of the date of this Quarterly Report and are based on information currently and reasonably known to us. We undertake no obligation to revise or update any forward-looking statements in order to reflect any event or circumstance that may arise after the date of this Quarterly Report. Readers are urged to carefully review and consider the various disclosures made in this Quarterly Report, which attempt to advise interested parties of the risks and factors that may affect our business, financial condition, results of operations and prospects.

Corporate Information

Our principal executive offices are located at 3025 Orchard Parkway, San Jose, California 95134. Our telephone number is (408) 321-6000. We maintain a website at www.xperi.com. The reference to our website address does not constitute incorporation by reference of the information contained on this website.

Xperi, the Xperi logo, Tessera, the Tessera logo, DTS, the DTS logo, FotoNation, the FotoNation logo, Invensas, the Invensas logo, DigitalAperture, FacePower, FotoSavvy, FotoMagic, BVA, ZiBond, DBI, DTS‑HD, DTS Sound, DTS Studio Sound, DTS Headphone:X, DTS Play‑Fi, DTS:X and HD Radio are trademarks or registered trademarks of Xperi Corporation or its affiliated companies in the U.S. and other countries. All other company, brand and product names may be trademarks or registered trademarks of their respective companies.

In this Quarterly Report, the “Company,” “we,” “us” and “our” refer to Xperi Corporation, which operates its business through its subsidiaries. Unless specified otherwise, the financial results in this Quarterly Report are those of the Company and its subsidiaries on a consolidated basis.

Business Overview

Xperi is a publicly-traded technology company with headquarters in Silicon Valley and operations around the world. Through its operating subsidiaries, Xperi creates, develops and licenses innovative audio, imaging, semiconductor packaging and interconnect technologies. We have approximately 700 employees and over 25 years of operating experience.

We license our innovative products, technologies and inventions to global electronics companies which, in turn, integrate the technologies into their own consumer electronics and semiconductor products. Our technologies and inventions are widely adopted and used every day by millions of people. Our audio technologies have shipped in billions of devices for the home, mobile and automotive markets. Our imaging technologies are embedded in more than 25% of the current smartphones. Our semiconductor packaging and interconnect technologies have been licensed to more than 100 customers and have shipped in over 100 billion semiconductor chips.

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We completed the acquisition of DTS in December 2016. At the time of the acquisition, Tessera Technologies, Inc. and DTS were combined under the newly-formed Tessera Holding Corporation. During the first quarter of 2017, we introduced our new corporate name, Xperi Corporation, launched a new corporate logo, and began trading under a new ticker symbol XPER.

Results of Operations

Under generally accepted accounting principles regarding business combinations, we were unable to record $5.4 million and $31.3 million in revenue in the three months ended March 31, 2018 and 2017, respectively, which would have been recognized by DTS under Topic 605 if not for the acquisition. If allowed, this revenue would have had a significant impact on the operating results as described below.

We adopted the new accounting standard, ASU No. 2014-09 (Topic 606) "Revenue from Contracts with Customers" effective January 1, 2018, which had a material impact on the operating results as described below. Under the modified retrospective transition method, the comparative information has not been restated and continues to be reported under the accounting standards in effect for those periods. Refer to “Note 2 - Summary of Significant Accounting Policies" and “Note 3 - Revenue" in the Notes to Condensed Consolidated Financial Statements (Part I, Item 1 of this Form 10-Q) for detailed information.

This accounting change does not impact billings or the cash flow from our contracts with customers. We expect to experience greater variability in quarterly revenue as a result of Topic 606 being applied to minimum guarantee and fixed fee licensing contracts. We plan to place greater emphasis on billings and operating cash flows rather than revenue and net operating results to internally evaluate our financial performance in current and future periods.

Revenue

Our revenue is generated primarily from royalty and license fees. Revenue is recognized upon transfer of control of promised products, services or intellectual property and technologies (“IP”) rights to customers in an amount that reflects the consideration that we expect to receive in exchange for those products, services or licensing of the IP rights.

Certain licensees have entered into fixed fee or minimum guarantee arrangements, whereby licensees pay a fixed fee for the right to incorporate our technology in the licensee's products over the license term. In arrangements with a minimum guarantee, the fixed fee component corresponds to a minimum number of units or dollars that the customer must produce or pay, with additional per-unit fees for any units or dollars exceeding the minimum. For these agreements, we recognize the full fixed fee as revenue at the beginning of the license term, when the licensee has the right to use the IP and begins to benefit from the license.

If the contract term of a fixed fee or minimum guarantee arrangement is longer than one year, we also consider the scheduled payment arrangements to determine whether a financing component exists. In general, if the payment arrangements extend beyond the initial twelve months of the contract, we treat a portion of the payments as a financing component. The discount rate used for each arrangement reflects the rate that would be used in a separate financing transaction between us and the licensee at contract inception, and takes into account the credit characteristics of the licensee and market interest rates as of the date of the agreement. As such, the amount of fixed fee revenue recognized at the beginning of the license term will be reduced by the calculated financing component. As payments are received from the licensee, we recognize a portion of the financing component through interest income.

For certain licensees, royalty revenue is generated based on a licensee's production or shipment of licensed products incorporating our IP, technologies or software. Licensees with a per-unit arrangement pay a per-unit royalty for each product manufactured or sold, as set forth in its license agreement. Licensees generally report manufacturing or sales information in the quarter subsequent to when such activity takes place. Under Topic 606, we estimate the royalties earned each quarter based on our forecast of manufacturing and sales activity incurred by our licensees in that quarter. Any differences between actual royalties owed by a licensee and our quarterly estimates are recognized in the following quarter, when the licensee’s royalty report is received. Estimating licensees’ quarterly royalties prior to receiving the royalty reports requires us to make significant assumptions and judgments that could have a material impact on the amount of revenue we report on a quarterly basis.

The timing of revenue recognition and the amount of revenue actually recognized for each type of revenue depends upon a variety of factors, including the specific terms of each arrangement, our ability to determine and allocate the transaction price to each separate performance obligation and the nature of our deliverables and obligations. In addition, our royalty revenue will fluctuate based on a number of factors such as: (a) the rate of adoption and incorporation of our technology by licensees; (b) the demand for products incorporating semiconductors that use our licensed technology; (c) the cyclicality of supply and demand for products using our licensed technology; (d) volume incentive pricing terms in licensing agreements that may result in significant variability in quarterly revenue recognition from customers and (e) the impact of economic downturns.

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From time to time we enter into license agreements that have fixed expiration dates. Upon expiration of such agreements, we need to renew or replace these agreements in order to maintain our revenue base. We may not be able to continue licensing customers on terms favorable to us, under the existing terms or at all, which would in turn harm our results of operations.

In the past, we have engaged in litigation and arbitration proceedings to directly or indirectly enforce our intellectual property rights and the terms of our license agreements, including proceedings to ensure proper and full payment of royalties by our current licensees and by third parties whose products incorporate our intellectual property rights.

The following table presents our historical operating results for the periods indicated as a percentage of revenue:

	Three Months Ended
	March 31, 2018		March 31, 2017
Revenue:
Royalty and license fees	100	%	100	%
Total revenue	100		100
Operating expenses:
Cost of revenue	4		2
Research, development and other related costs	40		39
Selling, general and administrative	53		61
Amortization expense	41		42
Litigation expense	11		15
Total operating expenses	149		159
Operating loss	(49	)	(59	)
Interest expense	10		9
Other income and expense, net	(5	)	—
Loss before taxes	(54	)	(68	)
Benefit from income taxes	(4	)	(52	)
Net loss	(50	)%	(16	)%

Our royalty and license fees were as follows (in thousands, except for percentages):

	Three Months Ended
	March 31, 2018		March 31, 2017		Increase/ (Decrease)			% Change
Royalty and license fees	$	65,532	$	67,255	$	(1,723	)	(3	)%

The $1.7 million or 3% decrease in revenue was due principally to our inability to record billings as revenue in the first quarter of 2018 from minimum guarantee and fixed fee licensing contracts in place prior to the start of 2018 as a result of adopting ASC Topic 606. Significantly offsetting year on year changes was the purchase accounting impact on revenue in the first quarter of 2017 totaling $31.3 million, an amount that would have been recognized as revenue by DTS if not for the acquisition. Had we not implemented Topic 606, our revenue in the first quarter of 2018 under legacy GAAP would have been $96.1 million. Refer to “Note 2 - Summary of Significant Accounting Policies" in the Notes to Condensed Consolidated Financial Statements for further detail.

Total billings were $104.3 million in the three months ended March 31, 2018, as compared to $99.7 million in the three months ended March 31, 2017, an increase of $4.6 million. The increase was driven by higher billings from fixed fee contracts in our Semiconductor and IP Licensing segment and by growth in the automotive and home markets in our Product Licensing segment.

With changes in revenue recognition due to the adoption of Topic 606 in 2018, we anticipate our revenue for 2018 will be significantly lower than that for 2017 due principally to our inability to record future billings as revenue in 2018 and later periods from minimum guarantee and fixed fee licensing contracts in place prior to adoption of ASC 606 on January 1, 2018. This accounting change will not impact billings or the cash flow from these contracts. Furthermore, we may experience greater variability in quarterly and annual revenue in future periods as a result of the revenue accounting treatment applied to future

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minimum guarantee and fixed fee licensing contracts. Management plans to place greater emphasis on billings and cash flows rather than revenue and net operating results to internally evaluate our financial performance in future periods.

Cost of Revenue

Cost of revenue consists of royalties paid to third parties and direct compensation and related expenses to provide non-recurring engineering services ("NRE").

Cost of revenue for the three months ended March 31, 2018 was $2.3 million, as compared to $1.4 million for the three months ended March 31, 2017. The increase was due to higher costs on NRE contracts, as well as royalties paid to a third party in connection with a Product Licensing segment contract.

We anticipate these expenses will continue to increase when compared to 2017 due to expected higher NRE deliveries in 2018.

Research, Development and Other Related Costs

Research and development is conducted primarily in-house and targets development of audio and image enhancement technologies, chip-scale, multi-chip and wafer level packaging, circuitry 3D-IC architectures, wafer and die bonding technologies and machine learning. Research, development and other related costs include expenses associated with applications engineering necessary to port and integrate our technologies and products on third party silicon and into end devices. These costs consist primarily of compensation and related costs for personnel, engineering consulting expenses associated with new product and technology development, product commercialization, quality assurance and testing costs, as well as costs related to patent applications and examinations, product "tear downs" and reverse engineering, materials, supplies and equipment depreciation. All research, development and other related costs are expensed as incurred.

Research, development and other related costs for the three months ended March 31, 2018 were $26.5 million, as compared to $26.0 million for the three months ended March 31, 2017, an increase of $0.5 million or 2%. The increase was primarily related to a $0.6 million increase in personnel related expenses.

We believe that a significant level of research and development expenses will be required for us to remain competitive in the future.

Selling, General and Administrative

Selling expenses consist primarily of compensation and related costs for sales and marketing personnel engaged in sales and licensee support, reverse engineering personnel and services, marketing programs, public relations, promotional materials, travel, trade show expenses, and stock-based compensation expense. General and administrative expenses consist primarily of compensation and related costs for general management, information technology, finance personnel, legal fees and expenses, facilities costs, stock-based compensation expense, and professional services. Our general and administrative expenses, other than facilities related expenses, are not allocated to other expense line items.

Selling, general and administrative expenses for the three months ended March 31, 2018 were $34.7 million, as compared to $41.2 million for the three months ended March 31, 2017, a decrease of $6.5 million or 16%. We incurred DTS acquisition-related transaction costs of $1.9 million and an incremental severance and post-acquisition retention bonus of $1.8 million in the first quarter of 2017. Additionally, marketing and marketing-related outside services expense decreased by $2.2 million in the three months ended March 31, 2018, as compared to the same period ended March 31, 2017, due primarily to expenditures associated with corporate branding and certain marketing initiatives that we undertook in the first quarter of 2017.

Amortization Expense

Amortization expense for the three months ended March 31, 2018 was $27.2 million, as compared to $28.6 million for the three months ended March 31, 2017, a decrease of $1.4 million. This decrease was primarily attributable to certain intangible assets becoming fully amortized over the past twelve months.

With the acquisition of DTS, we anticipate that amortization expenses will continue to be a significant expense since we acquired approximately $479 million in intangible assets which will be amortized over the next several years. See “Note 7 - Goodwill and Identified Intangible Assets" in the Notes to Condensed Consolidated Financial Statements for additional information.

Litigation Expense

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Litigation expense for the three months ended March 31, 2018 was $7.3 million, as compared to $10.0 million for the three months ended March 31, 2017, a decrease of $2.7 million. This decrease was primarily related to concluding litigation activity against Broadcom, as the parties reached a settlement in the fourth quarter of 2017.

We expect that litigation expense may continue to be a material portion of our operating expenses in future periods, and may fluctuate between periods, because of planned or ongoing litigation, as described in Part II, Item 1 – Legal Proceedings, and because of litigation planned for or initiated from time to time in the future in order to enforce and protect our intellectual property and contract rights.

Upon expiration of our customers’ licenses, if those licenses are not renewed, litigation may become necessary to secure payment of reasonable royalties for the use of our patented technology. If we plan for or initiate such litigation, our future litigation expenses may increase.

Stock-based Compensation Expense

The following table sets forth our stock-based compensation expense for the three months ended March 31, 2018 and 2017 (in thousands):

	Three Months Ended,
	March 31, 2018		March 31, 2017
Research, development and other related costs	$	3,094	$	2,870
Selling, general and administrative	4,314		4,211
Total stock-based compensation expense	$	7,408	$	7,081

Stock-based compensation awards include employee stock options, restricted stock awards and units, and employee stock plan purchases. For the three months ended March 31, 2018, stock-based compensation expense was $7.4 million, of which $0.2 million related to employee stock options, $6.4 million related to restricted stock awards and units and $0.8 million related to employee stock plan purchases. For the three months ended March 31, 2017, stock-based compensation expense was $7.1 million, of which $0.6 million related to employee stock options, $6.0 million related to restricted stock awards and units and $0.4 million related to employee stock plan purchases. The increase in stock-based compensation for the three months ended March 31, 2018 resulted primarily from greater ESPP participation and a higher volume of restricted stock grants.

Interest Expense

Interest expense for the three months ended March 31, 2018 and 2017 was $6.3 million and $6.5 million, respectively. The decrease in interest expense for the three months ended March 31, 2018 was primarily a result of lower debt principal as we made a $100 million partial pay-down in January 2018, partially offset by higher interest rates in 2018 due to the variable rate included in our debt.

Other Income and Expense, Net

Other income and expense, net for the three months ended March 31, 2018 was $3.2 million, as compared to $0.1 million for the three months ended March 31, 2017. Other income was higher in the current year principally due to $2.2 million of interest income earned from financing licensing contracts with scheduled payment arrangements extending beyond one year, pursuant to Topic 606. As discussed above, we adopted Topic 606 in the first quarter of 2018.

Provision for (benefit from) Income Taxes

For the three months ended March 31, 2018, we recorded an income tax benefit of $2.6 million on a pre-tax loss of $35.7 million which resulted in an effective tax rate of 7.4%. The effective tax rate was primarily related to tax benefit from losses and credits generated from operations offset by foreign withholding taxes, certain book-to-tax permanent differences, valuation allowance recorded against our unutilized tax credits generated in the current year, and shortfalls from stock-based compensation. For the three months ended March 31, 2017, we recorded an income tax benefit of $35.3 million on a pre-tax loss of $46.3 million which resulted in an effective tax rate of 76.2%. The effective tax rate was primarily related to losses in foreign operations, as our tax rates on those operations were generally lower than the U.S. statutory rate. Our provision for income taxes is based on our worldwide estimated annualized effective tax rate, except for jurisdictions for which a loss is expected for the year and no benefit can be realized for those losses, and the tax effect of discrete items occurring during the period. The tax for jurisdictions for which a loss is expected and no benefit can be realized for the year is based on actual taxes and tax reserves for the quarter. The income tax benefit for the three months ended March 31, 2018 as compared to the income

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tax benefit during the same period in the prior year is largely attributable to valuation allowance recorded against our tax credits and the reduction in year-to-date losses.

The need for a valuation allowance requires an assessment of both positive and negative evidence when determining whether it is more likely than not that deferred tax assets are recoverable. Such assessment is required on a jurisdiction-by-jurisdiction basis. In making such assessment, significant weight is given to evidence that can be objectively verified. After considering both positive and negative evidence to assess the recoverability of our net deferred tax assets, we determined that it was more likely than not that we would not realize certain federal, state and foreign deferred tax assets given the substantial amount of tax attributes that will remain unutilized to offset forecasted future tax liabilities. In the future, we may release valuation allowance and recognize certain deferred federal tax assets, deferred state tax assets or deferred tax assets of other foreign subsidiaries depending on achievement of future profitability in relevant jurisdictions, or implementing tax planning strategies that enable us to utilize deferred tax assets that would otherwise be unused. We continue to monitor the likelihood that we will be able to recover our deferred tax assets, including those for which a valuation allowance is recorded.  There can be no assurance that we will generate profits or implement tax strategies in future periods enabling us to fully realize our deferred tax assets. The timing of recording a valuation allowance or the reversal of such valuation allowance is subject to objective and subjective factors that cannot be readily predicted in advance. Adjustments could be required in the future if we conclude that it is more likely than not that deferred tax assets are not recoverable. A provision for a valuation allowance could have the effect of increasing the income tax provision in the statement of operations in the period the valuation allowance is provided.

Segment Operating Results

We operate in two reportable segments: (1) Product Licensing and (2) Semiconductor and IP Licensing. There are certain corporate overhead costs that are not allocated to these reportable segments because these operating amounts are not considered in evaluating the operating performance of our business segments.

The Chief Executive Officer is also the Chief Operating Decision Maker (“CODM”) as defined by the authoritative guidance on segment reporting.

The Product Licensing segment, including our DTS and FotoNation subsidiaries, licenses its technologies and intellectual property related to audio, digital radio and imaging solutions under the brands DTS, HD Radio and FotoNation. The Product Licensing solutions typically include the delivery of software or hardware-based solutions, combined with various other intellectual property, including know how, patents, trademarks, and copyrights. Product Licensing represents revenue derived primarily from the consumer electronics market and related applications servicing the home, automotive and mobile markets.

The Semiconductor and IP Licensing segment develops and licenses semiconductor technologies and IP to manufacturers, foundries, subcontract assemblers and others. The segment includes revenue generated from the technology and IP portfolios of Tessera, Inc., Invensas and Invensas Bonding Technologies, Inc. (formally Ziptronix, Inc.). Tessera, Inc. pioneered chip-scale packaging solutions. Invensas develops advanced semiconductor packaging and 3D interconnect solutions, including wafer bonding solutions, for applications such as smartphones, tablets, laptops, PCs, data centers and automobiles. We expand our technology and IP offerings in this segment through a combination of internal R&D and acquisitions. We also provide engineering services to customers in the form of technology demonstrations and technology transfers to assist their evaluation and adoption of our technologies. Through our technology transfer service, we provide detailed documentation outlining design guidelines, process specifications, recommended equipment and process parameters as well as hands-on engineering support to assist our licensees in bringing up and qualifying our technologies at their facilities. This service allows licensees to readily leverage our years of experience and expertise in advanced semiconductor packaging and 3D interconnect technologies, including direct and hybrid bonding.

We do not identify or allocate assets by reportable segment, nor does the CODM evaluate reportable segments using discrete asset information. Reportable segments do not record inter-segment revenue and accordingly there are none to report. Although the CODM uses operating income to evaluate reportable segments, operating costs included in one segment may benefit other segments.

The following table sets forth our segments’ revenue, operating expenses and operating income (loss) (in thousands):

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	Three Months Ended
	March 31, 2018			March 31, 2017
Revenue:
Product licensing segment	$	53,216		$	27,701
Semiconductor and IP licensing segment	12,316			39,554
Total revenue	65,532			67,255
Operating expenses:
Product licensing segment	43,891			43,182
Semiconductor and IP licensing segment	19,430			22,763
Unallocated operating expenses (1)	34,702			41,205
Total operating expenses	98,023			107,150
Operating income (loss):
Product licensing segment	9,325			(15,481		)
Semiconductor and IP licensing segment	(7,114		)	16,791
Unallocated operating expenses (1)	(34,702		)	(41,205		)
Total operating loss	$	(32,491	)	$	(39,895	)

(1) Unallocated operating expenses consist primarily of general and administrative expenses, such as administration, human resources, finance, information technology, corporation development and procurement. These expenses are not allocated because it is not practical to do so.

The revenue and operating income amounts in this section have been presented on a basis consistent with GAAP applied at the segment level. Of our $385.6 million in goodwill at March 31, 2018, approximately $377.9 million is allocated to our Product Licensing reporting segment and approximately $7.7 million is allocated to our Semiconductor and IP Licensing reporting segment.

For the three months ended March 31, 2018, the unallocated expenses were $34.7 million compared to $41.2 million for the three months ended March 31, 2017. The decrease of $6.5 million was primarily attributable to DTS acquisition-related transaction costs and incremental severance and retention bonuses, as well as corporate branding and marketing expenditures we incurred in the first quarter of 2017.

Product Licensing Segment

	Three Months Ended
	March 31, 2018			March 31, 2017
Revenue:
Royalty and license fees	$	53,216		$	27,701
Total revenue	53,216			27,701
Operating expenses:
Cost of revenue	2,324			1,400
Research, development and other related costs	19,520			19,047
Litigation	(3		)	—
Amortization	22,050			22,735
Total operating expenses	43,891			43,182
Total operating income (loss)	$	9,325		$	(15,481	)

Product Licensing revenue for the three months ended March 31, 2018 was $53.2 million as compared to $27.7 million for the three months ended March 31, 2017, an increase of $25.5 million. The primary driver for the year-on-year changes was the purchase accounting impact on revenue in the first quarter of 2017 totaling $31.3 million, an amount that would have been recognized as revenue by DTS if not for the acquisition. This effect was partially offset by revenue from new minimum guarantee contracts that took effect in the first quarter of 2018 whereby the full term fixed fees are now recognized as revenue

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at the inception of the license term, offset by our inability to record billings as revenue from minimum guarantee contracts in place prior to the start of 2018, both as a result of adopting Topic 606.

Billings for the three months ended March 31, 2018 were $61.3 million as compared to $59.8 million for the three months ended March 31, 2017, an increase of $1.5 million. The increase was mainly attributable to growth in the automotive and home markets.

Due to adoption of Topic 606, we anticipate Product Licensing revenue for 2018 will be materially impacted due principally to our inability to record further billings as revenue in 2018 and later periods from minimum guarantee and fixed fee licensing contracts in place prior to the start of 2018. Further, we expect greater variability in quarterly and annual revenue in our Product Licensing segment in future periods as a result of the revenue accounting treatment applied to minimum guarantee and fixed fee licensing contracts.

Operating expenses for the three months ended March 31, 2018 were $43.9 million and consisted of cost of revenue of $2.3 million, research, development and other related costs of $19.5 million and amortization costs of $22.1 million. The increase of $0.7 million in total operating expenses as compared to $43.2 million for the three months ended March 31, 2017 was mainly driven by higher cost of revenue associated with increased NRE activity and royalties paid to a third party in connection with a key audio revenue contract.

Operating income for the three months ended March 31, 2018 was $9.3 million compared to operating loss of $15.5 million for the three months ended March 31, 2017, due to the reasons stated above.

Semiconductor and IP Licensing Segment

	Three Months Ended
	March 31, 2018			March 31, 2017
Revenue:
Royalty and license fees	$	12,316		$	39,554
Total revenue	12,316			39,554
Operating expenses:
Research, development and other related costs	6,995			6,965
Litigation	7,319			9,979
Amortization	5,116			5,819
Total operating expenses	19,430			22,763
Total operating income (loss)	$	(7,114	)	$	16,791

Semiconductor and IP Licensing segment revenue for the three months ended March 31, 2018 was $12.3 million as compared to $39.6 million for the three months ended March 31, 2017, a decrease of $27.3 million. The decrease was caused by our inability to record billings as revenue in the first quarter of 2018 from minimum guarantee and fixed fee licensing contracts in place prior to the start of 2018 as a result of adopting Topic 606.

Billings for the three months ended March 31, 2018 were $43.0 million as compared to $39.9 million for the three months ended March 31, 2017, an increase of $3.1 million. The increase was primarily driven by higher billings from fixed fee contracts that were signed during the past six months.

Due to adoption of Topic 606, we anticipate Semiconductor and IP Licensing revenue for 2018 will be significantly lower than that for 2017 due principally to our inability to record further billings as revenue in 2018 and later periods from minimum guarantee and fixed fee licensing contracts in place prior to the start of 2018. Further, we expect greater variability in quarterly and annual revenue in our Semiconductor and IP Licensing segment in future periods as a result of the revenue accounting treatment applied to minimum guarantee and fixed fee licensing contracts, which will necessitate recognizing revenue in the quarter a contract first becomes effective.

Operating expenses for the three months ended March 31, 2018 were $19.4 million and consisted of research, development and other related costs of $7.0 million, litigation costs of $7.3 million and amortization costs of $5.1 million. The decrease of $3.4 million in total operating expenses as compared to $22.8 million for the three months ended March 31, 2017, resulted primarily from lower litigation costs as a result of concluding the legal proceedings against Broadcom in December 2017.

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We expect that litigation expense will continue to be a material portion of the Semiconductor and IP Licensing segment’s operating expenses in future periods, and may fluctuate significantly in some periods, because of our ongoing legal actions, as described in Part II, Item 1 -Legal Proceedings, and because we may become involved in other litigation from time to time in the future in order to enforce and protect our intellectual property and contract rights.

Operating loss for the three months ended March 31, 2018 was $7.1 million compared to operating income of $16.8 million for the three months ended March 31, 2017, due to the reasons stated above.

Liquidity and Capital Resources

	As of
(in thousands, except for percentages)	March 31, 2018			December 31, 2017
Cash and cash equivalents	$	34,966		$	138,260
Short-term investments	45,824			62,432
Total cash, cash equivalents and short-term investments	$	80,790		$	200,692
Percentage of total assets	7		%	18		%
	Three Months Ended
	March 31, 2018			March 31, 2017
Net cash from operating activities	$	4,650		$	18,962
Net cash from investing activities	$	15,572		$	(6,373	)
Net cash from financing activities	$	(123,516	)	$	(9,198	)

Our primary sources of liquidity and capital resources are our operating cash flows and our investment portfolio. Cash, cash equivalents and investments were $80.8 million at March 31, 2018, a decrease of $119.9 million from $200.7 million at December 31, 2017. This decrease resulted from $100.0 million in a voluntary partial pay-down of debt principal, $9.9 million in dividends paid, $17.9 million in repurchases of common stock and $0.8 million in capital expenditures. This decrease was partially offset by $4.7 million in cash from operations and from $4.2 million in proceeds from the exercise of stock options and employee stock purchases. Cash and cash equivalents were $35.0 million at March 31, 2018, a decrease of $103.3 million from $138.3 million at December 31, 2017.

Cash flows provided by operations were $4.7 million for the three months ended March 31, 2018, primarily due to our net loss of $33.0 million being adjusted for non-cash items of depreciation of $1.8 million, amortization of intangible assets of $27.2 million, stock-based compensation expense of $7.4 million and $7.0 million in changes in operating assets and liabilities. These increases were partially offset by a net reduction of $6.7 million in deferred income taxes and other.

Cash flows provided by operations were $19.0 million for the three months ended March 31, 2017, primarily due to our net loss of $11.0 million being adjusted for non-cash items of depreciation of $1.8 million, amortization of intangible assets of $28.6 million, stock-based compensation expense of $7.1 million and $30.4 million in changes in operating assets and liabilities. These increases were partially offset by $38.0 million in deferred income taxes and other net.

Net cash provided by investing activities was $15.6 million for the three months ended March 31, 2018, primarily related to maturities and sales of short-term investments of $16.3 million partially offset by $0.8 million in capital expenditures.

Net cash used for investing activities was $6.4 million for the three months ended March 31, 2017, primarily related to the purchases of available-for-sale securities of $11.5 million and $0.6 million in capital expenditures offset by maturities and sales of short-term investments of $5.7 million.

Net cash used in financing activities was $123.5 million for the three months ended March 31, 2018 principally due to $100.0 million in a partial pay-down of debt principal, $9.9 million in dividends paid and $17.9 million in repurchases of common stock, offset by $4.2 million in proceeds due to the issuance of common stock under our employee stock option programs and employee stock purchase plans.

Net cash used in financing activities was $9.2 million for the three months ended March 31, 2017 due to dividend payments of $9.8 million and $1.5 million in debt repayments, offset by $5.4 million in proceeds due to the issuance of common stock under our employee stock option programs and employee stock purchase plans. 

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The primary objectives of our investment activities are to preserve principal and to maintain liquidity while at the same time capturing a market rate of return. To achieve these objectives, we maintain a diversified portfolio of debt securities including corporate bonds and notes, municipal bonds and notes, commercial paper, treasury and agency notes and bills, certificates of deposit and money market funds. We invest excess cash predominantly in high-quality investment grade debt securities with less than three years to maturity. Our marketable securities are classified as available-for-sale and are reported at fair value, with unrealized gains and losses, net of tax, recorded in accumulated other comprehensive income. The fair values for our securities are determined based on quoted market prices as of the valuation date and observable prices for similar assets.

We evaluate our investments periodically for possible other-than-temporary impairment and review factors such as the length of time and extent to which fair value has been below cost basis, the financial condition of the issuer, and our ability and intent to hold the security until maturity on a more likely than not basis. If declines in the fair value of the investments are determined to be other-than-temporary, we report the credit loss portion of such decline in other income and expense, on a net basis, and the remaining noncredit loss portion in accumulated other comprehensive income. For the three months ended March 31, 2018 and 2017, no impairment charges were recorded with respect to our investments.

On December 1, 2016, we entered into a Credit Agreement which provided for a $600.0 million seven-year term B loan facility. The Term B Loan Facility matures on November 30, 2023. Upon the closing of the Credit Agreement, we borrowed $600.0 million under the Term B Loan facility. These proceeds were used on December 1, 2016, together with cash and cash equivalents, to finance the acquisition of DTS. The obligations under the Credit Agreement are guaranteed by substantially all of our assets pursuant to the Security Agreement, dated December 1, 2016, among us, Royal Bank of Canada, as collateral agent, and the other pledgors party thereto. On January 23, 2018, we completed a repricing of our debt, reducing the borrowing rate by 75 basis points, and paid down $100.0 million in principal balance.

At March 31, 2018, $494.0 million was outstanding under this loan facility with an interest rate, including amortization of debt issuance costs, of 5.1%. Interest is payable monthly. As the $100 million prepayment of debt principal we made in January 2018 exceeded the minimum principal payment requirements, we expect to have no further principal payment requirements until maturity of the loan, subject to our expected achievement of a net leverage ratio, as defined in the loan agreement, below 2.0 at the end of each fiscal year end.

In August 2007, our Board of Directors ("the Board") authorized a plan to repurchase our outstanding shares of common stock dependent on market conditions, share price and other factors. As of March 31, 2018, the total amount available for repurchase under the plan was $127.9 million. No expiration has been specified for this plan. Since the inception of the plan, and through March 31, 2018, we have repurchased approximately 11.8 million shares of common stock at a total cost of $322.1 million at an average price of $27.33. During the three months ended March 31, 2018, our repurchases totaled $15.0 million. We plan to continue to execute authorized repurchases from time to time under the plan.

Since March 2015, we have paid a quarterly dividend of $0.20 per share. We anticipate that all quarterly dividends will be paid out of cash, cash equivalents and short-term investments.

We believe that based on current levels of operations and anticipated growth, our cash from operations, together with cash, cash equivalents and short-term investments currently available, will be sufficient to fund our operations, debt service, dividends and stock repurchases and acquisition needs for at least the next twelve months. Poor financial results, unanticipated expenses, unanticipated acquisitions of technologies or businesses or unanticipated strategic investments could give rise to additional financing requirements sooner than we expect. There can be no assurance that equity or debt financing will be available when needed or, if available, that such financing will be on terms satisfactory to us and not dilutive to our then-current stockholders.

Contractual Cash Obligations

Our operating lease obligations represent aggregate future minimum lease payments under non-cancelable facility and equipment operating leases. For our facilities leases, rent expense charged to operations differs from rent paid because of scheduled rent increases. Rent expense is calculated by amortizing total rental payments on a straight-line basis over the lease term. There have been no material changes to our future minimum lease payments in the three months ended March 31, 2018.

As of March 31, 2018, we had accrued $14.7 million of unrecognized tax benefits in long term income taxes payable related to uncertain tax positions, and accrued approximately $0.7 million of interest. At this time, we are unable to reasonably estimate the timing of the long-term payments or the amount by which the liability will increase or decrease over time.

See “Note 13 - Commitments and Contingencies" of the Notes to Condensed Consolidated Financial Statements for additional detail.

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Off-Balance Sheet Arrangements

As of March 31, 2018, we did not have any off-balance sheet arrangements as defined in item 303(a)(4)(ii) of Regulation S-K.

Critical Accounting Policies and Estimates

Our significant accounting policies are detailed in "Note 2 - Summary of Significant Accounting Policies" in our Annual Report on Form 10-K for the year ended December 31, 2017. Significant changes to our accounting policies as a result of adopting Topic 606 are discussed in “Note 2 - Summary of Significant Accounting Policies” and “Note 3 - Revenue" of the Notes to Condensed Consolidated Financial Statements. For a discussion of our critical accounting policies and estimates, see Part II, Item 7 - Management’s Discussion and Analysis of Financial Condition and Results of Operations in the Form 10-K.

Recent Accounting Pronouncements

See “Note 2 - Summary of Significant Accounting Policies” of the Notes to Condensed Consolidated Financial Statements for a full description of recent accounting pronouncements including the respective expected dates of adoption.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

For a discussion of the Company’s market risk, see Item 7A – Quantitative and Qualitative Disclosures About Market Risk in the Form 10-K.

Item 4. Controls and Procedures

Attached as exhibits to this Form 10-Q are certifications of Xperi Corporation’s Chief Executive Officer and Chief Financial Officer, which are required in accordance with Rule 13a-14 of the Exchange Act. This “Controls and Procedures” section includes information concerning the controls and controls evaluation referred to in the certifications and it should be read in conjunction with the certifications, for a more complete understanding of the topics presented.

Evaluation of Controls and Procedures

Xperi Corporation maintains disclosure controls and procedures that are designed to ensure that information required to be disclosed in our reports filed pursuant to the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow for timely decisions regarding required disclosure. In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures.

Under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, we conducted an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act as of the end of the period covered by this report (the evaluation date). Based on this evaluation, our principal executive officer and principal financial officer concluded as of the evaluation date that our disclosure controls and procedures were effective to provide reasonable assurance that the information relating to Xperi Corporation, including our consolidated subsidiaries, required to be disclosed in our SEC reports (i) is recorded, processed, summarized and reported within the time periods specified in SEC rules and forms, and (ii) is accumulated and communicated to Xperi Corporation’s management, including our principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure.

Change in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting during the quarter ended March 31, 2018, except for adoption of the new revenue accounting standard as described below.

Effective January 1, 2018, we adopted Topic 606, Revenue from Contracts with Customers, which had a material impact on our consolidated financial statements. We implemented changes to our processes related to revenue recognition and the control

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activities within them. These included the development of new policies based on the five-step model provided in the new revenue standard, new training, ongoing contract review requirements, and gathering of information provided for disclosures.

PART II - OTHER INFORMATION

Item 1. Legal Proceedings

Other than to the extent the proceedings described below have concluded, we cannot predict the outcome of any of the proceedings described below. An adverse decision in any of these proceedings could significantly harm our business and our consolidated financial position, results of operations, and cash flows.

Tessera, Inc. v. Toshiba Corporation, Civil Action No. 5:15-cv-02543-BLF (N.D. Cal.)

On May 12, 2015, Tessera, Inc. filed a complaint against Toshiba Corporation (“Toshiba”) in California Superior Court. Tessera, Inc.’s complaint alleges causes of action for breach of contract, breach of the implied covenant of good faith and fair dealing, and declaratory relief, generally alleging that Toshiba underpaid royalties and failed to cooperate with audits conducted pursuant to the parties’ license agreement.

On June 8, 2015, Toshiba removed the action to the U.S. District Court for the Northern District of California. On June 18, 2015, Toshiba filed its answer, affirmative defenses, and counterclaims to Tessera, Inc.’s complaint. Toshiba alleges counterclaims for declaratory judgment and breach of the implied warranty of good faith and fair dealing. The counterclaims seek, among other things, judicial determinations about the interpretation of the parties’ agreement, termination of the agreement, an accounting of the amount of alleged overpayments by Toshiba, restitution, and damages. On July 10, 2015, Tessera, Inc. filed its answer and affirmative defenses to Toshiba’s counterclaims. On March 17, 2016, Tessera, Inc. filed an amended complaint adding a claim for declaratory relief regarding a February 12, 2016 letter sent by Toshiba to Tessera, Inc. purporting to terminate the parties’ license agreement. On March 18, 2016, Toshiba filed its amended answer, affirmative defenses, and counterclaims. On April 4, 2016, Tessera, Inc. filed an answer to Toshiba’s amended counterclaims.

An initial summary judgment hearing on contract issues took place on September 22, 2016. On November 7, 2016, the Court entered an order granting Toshiba’s motion regarding the definition of “TCC,” and denying summary judgment on the other issues raised by the parties’ cross-motions. On December 6, 2016, Tessera, Inc. filed a motion pursuant to Federal Rule of Civil Procedure 54(b) seeking authorization to appeal the order and for a stay. On March 6, 2017, the Court granted the Rule 54(b) motion. The Court subsequently vacated the trial date and stayed the remainder of the district court proceedings.

On April 4, 2017, Tessera, Inc. filed a notice of appeal to the U.S. Court of Appeals for the Ninth Circuit. The parties completed briefing on November 2, 2017. A hearing for oral argument has not yet been scheduled.

Certain Wafer-Level Packaging Semiconductor Devices and Products Containing Same (Including Cellular Phones, Tablets, Laptops, and Notebooks) and Components Thereof, Inv. No. 337-TA-1080, (U.S. International Trade Commission, Washington, D.C.)

On September 28, 2017, Tessera Advanced Technologies, Inc. (“Tessera”) filed a complaint at the U.S. International Trade Commission (“the Commission”), requesting that the Commission institute an investigation against Samsung Electronics Co., Ltd., Samsung Electronics America, Inc., and Samsung Semiconductor, Inc. (collectively, “Samsung”). The complaint alleges that Samsung infringes U.S. Patent Nos. 6,954,001 and 6,784,557. The complaint requests that the Commission issue a permanent limited exclusion order excluding from entry into the United States Samsung’s infringing products. In addition, the complaint requests that the Commission issue a permanent cease and desist order prohibiting Samsung from, among other things, importing, selling, or distributing the infringing products.

On October 31, 2017, the Commission instituted the investigation. On November 27, 2017, Samsung filed a response to the complaint.

A claim construction hearing was held on March 20, 2018.

On March 27, 2018, Samsung filed a Motion to Terminate the Investigation for Lack of Standing or to Terminate or Stay the Investigation pending Arbitration. Tessera filed its response to the motion on April 6, 2018.

An evidentiary hearing is scheduled from July 30 to August 3, 2018. The initial determination is due on November 2, 2018. The target date for completion of the investigation is March 3, 2019.

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Tessera Advanced Technologies, Inc. v. Samsung Electronics America, Inc. et al, Civil Action No. 2:17-cv-07621 (D. N.J.)

On September 28, 2017, Tessera Advanced Technologies, Inc. filed a complaint against Samsung Electronics America, Inc. and Samsung Electronics Co., Ltd. (collectively, “Samsung”) in the U.S. District Court for the District of New Jersey. The complaint alleges that Samsung infringes U.S. Patent Nos. 6,954,001 and 6,784,557 and requests, among other things, that Samsung be ordered to pay compensatory damages. On November 22, 2017, Samsung filed an unopposed motion to stay the action pending resolution of a U.S. International Trade Commission investigation involving the same patents. On November 27, 2017, the Court granted Samsung’s motion. This action is currently stayed.

Invensas Corporation v. Samsung Electronics Co., Ltd., et al., Civil Action No. 1:17-cv-01363 (D. Del.)

On September 28, 2017, Invensas Corporation filed a complaint against Samsung Electronics Co., Ltd. and Samsung Austin Semiconductor, LLC (collectively, “Samsung”) in the U.S. District Court for the District of Delaware. The complaint alleges that Samsung infringes U.S. Patent Nos. 6,232,231 and 6,849,946 and requests, among other things, that Samsung be ordered to pay compensatory damages. On December 19, 2017, Samsung filed an Answer and Affirmative Defenses. A claim construction hearing is scheduled for October 10, 2018, and a jury trial is scheduled to begin on November 18, 2019.

Invensas Bonding Technologies, Inc. v. Samsung Electronics America, Inc., et al., Civil Action No. 1:17-cv-07609 (D. N.J.)

On September 28, 2017, Invensas Bonding Technologies, Inc. filed a complaint against Samsung Electronics America, Inc. and Samsung Electronics Co. Ltd. (collectively, “Samsung”) in the U.S. District Court for the District of New Jersey. The complaint alleges that Samsung infringes U.S. Patent Nos. 7,553,744, 7,807,549, 7,871,898, 8,153,505, 9,391,143, and 9,431,368 and requests, among other things, that Samsung be ordered to pay compensatory damages. On December 19, 2017, Samsung filed an Answer and Affirmative Defenses. A claim construction hearing is scheduled for November 27, 2018.

FotoNation Limited, et al v. Samsung Electronics Co., Ltd., et al, Civil Action No. 2:17-cv-00669 (E.D. Tex.)

On September 28, 2017, FotoNation Limited and DigitalOptics Corporation MEMS (collectively, “FotoNation”) filed a complaint against Samsung Electronics America, Inc. and Samsung Electronics Co. Ltd. (collectively, “Samsung”) in the U.S. District Court for the Eastern District of Texas. On February 16, 2018, FotoNation filed an amended complaint. The amended complaint alleges that Samsung infringes U.S. Patent Nos. 8,254,674, 8,331,715, 7,860,274, 7,697,829, 7,574,016, 7,620,218, 7,916,897 and 8,908,932, and requests, among other things, that Samsung be ordered to pay compensatory damages.

On February 1, 2018, Samsung filed a motion to transfer the action to the U.S. District Court for the District of Delaware. On March 23, 2018, Samsung filed a motion to dismiss certain counts of the third amended complaint. A hearing on the motions is scheduled for May 16, 2018.

A claim construction hearing is scheduled for August 2, 2018. A dispositive motion hearing is scheduled for March 12, 2019. A jury trial is scheduled to begin on June 17, 2019.

Invensas Corporation v. Samsung Electronics Co., Ltd., et al., Civil Action No. 2:17-cv-00670 (E.D. Tex.)

On September 28, 2017, Invensas Corporation filed a complaint against Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. (“Samsung”) in the U.S. District Court for the Eastern District of Texas. The complaint alleges that Samsung infringes U.S. Patent Nos. 6,232,231 (the “‘231 patent”), 6,849,946 (the “‘946 patent”), 6,054,336, 6,566,167, and 6,825,554 and requests, among other things, that Samsung be ordered to pay compensatory damages. On December 19, 2017, Samsung filed an Answer and Affirmative Defenses to the Complaint.

On February 1, 2018, Samsung filed a motion to transfer the action to the U.S. District Court for the District of Delaware, and a motion to sever and stay proceedings for the ‘231 and ‘946 patents. The motions are pending.

A claim construction hearing is scheduled for August 9, 2018. A jury trial is scheduled to begin on February 19, 2019.

Tessera Advanced Technologies, Inc. v. Samsung Electronics Co., Ltd., et al., Civil Action No. 2:17-cv-00671 (E.D. Tex.)

On September 28, 2017, Tessera Advanced Technologies, Inc. filed a complaint against Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. (“Samsung”) in the U.S. District Court for the Eastern District of Texas. The complaint alleges that Samsung infringes U.S. Patent Nos. 6,512,298 and 6,825,616 and requests, among other things, that Samsung be

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ordered to pay compensatory damages. On December 19, 2017, Samsung filed an Answer and Affirmative Defenses to the Complaint.

On February 1, 2018, Samsung filed a motion to transfer the action to the U.S. District Court for the District of Delaware. On February 22, 2018, Samsung filed a motion to stay pending arbitration. The motions are pending.

A claim construction hearing is scheduled for September 17, 2018. A jury trial is scheduled to begin on May 6, 2019.

Tessera Advanced Technologies Inc. vs. Samsung (China) Investment Co., Ltd. et al. Case No. unset (Beijing High Court, People’s Republic of China)

On January 25, 2018, Tessera Advanced Technologies Inc. (“TATI”) filed a complaint against Samsung (China) Investment Co., Ltd., Samsung Electronics Huizhou Co., Ltd. and Beijing Jiu Jiu Shun Fa Technologies Development Co., Ltd. (collectively the “Defendants”) with the Beijing High Court, People’s Republic of China. The complaint alleges that the Defendants infringe TATI’s Chinese Patent No. 02155954.6. The complaint seeks damages; an injunction prohibiting the Defendants from manufacturing, using, offering for sale, and selling infringing products in China; and orders requiring that the Defendants destroy infringing products and semi-finished products in their possession in China, as well as equipment, drawings and other objects and information used to manufacture infringing products.

On March 29, 2018, the Beijing High Court granted TATI’s evidence preservation petition, and preserved from Samsung’s Beijing offices certain financial documents related to its sale of allegedly infringing products.

Patent Office Proceedings

U.S. Patent No. 6,784,557

On January 11, 2018, Samsung Electronics Co., Ltd., Samsung Electronics America, Inc., and Samsung Semiconductor, Inc. (collectively, “Samsung”) filed a petition for inter partes review of U.S. Patent No. 6,784,557 (the “‘557 patent”) with the U.S. Patent and Trademark Office, Patent Trial and Appeal Board (the “PTAB”). The petition requests a determination that claims 1-8 of the ‘557 patent are unpatentable. Tessera Advanced Technologies, Inc. filed its preliminary response on April 23, 2018.

U.S. Patent No. 6,954,001

On March 16, 2018, Samsung Electronics Co., Ltd., Samsung Electronics America, Inc., and Samsung Semiconductor, Inc. (collectively, “Samsung”) filed two petitions for inter partes review of U.S. Patent No. 6,954,001 (“the ‘001 patent”). The first petition requests a determination that claims 1-18 of the ’001 patent are unpatentable. The second petition requests a determination that claims 1-4, 6-13, and 15-18 of the ’001 patent are unpatentable. Tessera Advanced Technologies, Inc.’s preliminary response is due on July 5, 2018.

Item 1A. Risk Factors

Our operations and financial results are subject to various risks and uncertainties, including those described below, that could adversely affect our business, financial condition, results of operations, cash flows, and the trading price of our common stock.

Our revenue has been concentrated and we anticipate that our billings will continue to be concentrated in a limited number of customers. If we lose any of these customers, or these customers do not pay us, our revenue and billings could decrease substantially.

We have earned a significant amount of our revenue from a limited number of customers. For the three months ended March 31, 2018, there was one customer that accounted for 10% or more of total revenue. We expect that a significant portion of our billings and revenue will continue to come from a limited number of customers for the foreseeable future. If we lose any of these customers, or these customers do not pay us, our billings and revenue could decrease substantially. For example, in February 2017 we announced that we were seeking to relicense Samsung Electronics whose patent license had expired at the end of 2016. In addition, a significant portion of our recurring billings is the result of structured payment terms in connection with the settlement of litigation matters, including our settlements with Amkor Technology, Inc. and Powertech Technology Inc. If we are unable to replace the billings from an expiring license or at the end of structured payment terms of a settlement agreement with similar billings from other customers, our royalties could be adversely impacted as compared to periods prior to such expiration or the end of such payment terms.

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From time to time we enter into license agreements that have fixed expiration dates and if, upon expiration or termination, we are unable to renew or replace such license agreements on terms favorable to us, our results of operations could be harmed.

From time to time we enter into license agreements that have fixed expiration dates. Upon expiration of such agreements we need to renew or replace these agreements in order to maintain our royalty base. If we are unable to replace the royalties from an expiring license, either through a renewal or with similar royalties from other customers, our results of operations could be adversely impacted as compared to periods prior to such expiration.

Furthermore, we may not be able to continue licensing customers on terms favorable to us, under the existing terms or at all, which would harm our results of operations. While we have expanded our licensable technology portfolio through internal development and patents purchased from third parties, there is no guarantee that these measures will lead to continued royalties. If we fail to continue to do business with our current licensees, our business would be materially adversely affected.

The success of our patent licensing business is dependent on the quality of our patent assets and our ability to create and implement new technologies or expand our licensable technology through acquisitions.

We derive a significant portion of our billings from patent licenses and royalties, including structured settlement payments. The success of our patent licensing business depends on our ability to continue to develop and acquire high quality patents. We devote significant resources to developing new technologies and to sourcing and acquiring patents to address the evolving needs of the semiconductor and the consumer and communication electronics industries, and we must continue to do so in the future to remain competitive. Developments in our technologies are inherently complex, and require long development cycles and a substantial investment before we can determine their commercial viability. Moreover, competition for acquiring high quality patents is intense and there is no assurance that we can continue to acquire such patents on favorable terms. We may not be able to develop and market new or improved technologies, or to develop or acquire high quality patents, in a timely or commercially acceptable fashion. Furthermore, our acquired and developed patents will expire in the future. Our current U.S. issued patents expire at various times through 2036. We need to develop or acquire successful innovations and obtain royalty-generating patents on those innovations before our current patents expire, and our failure to do so would significantly harm our business, financial position, results of operations and cash flows.

Our use of cash and substantial long-term borrowing to finance the DTS acquisition could limit future opportunities for our business, and could materially adversely affect our financial condition if we are unable to pay principal or interest on, or to refinance, such indebtedness.

The DTS acquisition was financed with existing cash balances and a $600 million secured term loan. The combination of reduced cash balances and the incurrence of substantial long-term debt could limit our ability to make future acquisitions, investments and capital expenditures that may be necessary or desirable for the operation or expansion of our business.  Moreover, our ability to service the principal and interest payments on such indebtedness will depend on our continuing ability to generate requisite cash flow from our existing and acquired business operations.  The terms of the indebtedness include covenants that may limit our operating flexibility and create a risk of default if we are unable to meet financial ratios and other covenant requirements.  While we made a voluntary prepayment of $100 million of principal on the indebtedness in January 2018 in connection with the refinancing of the debt, we may be unable to generate sufficient cash flow to make principal and interest payments in future periods, and in any event we may be required to refinance the remaining indebtedness upon its maturity in 2023.  We may be unable to refinance such indebtedness on favorable terms or at all.  For example, a downgrade in our credit rating could make any such refinancing more difficult to secure on favorable terms. A default under, or inability to refinance, our indebtedness could substantially adversely affect our continuing financial viability, and could lead to insolvency, bankruptcy, and the reduction or elimination of stockholders’ equity.

Our variable rate indebtedness may expose us to interest rate risk, which could cause our debt costs to increase significantly.

As of March 31, 2018, we had $494.0 million of outstanding indebtedness that was subject to floating interest rates. Changes in economic conditions outside of our control could result in higher interest rates, thereby increasing our interest expense and reducing the funds available for capital investment, operations or other purposes. At March 31, 2018, a 1% increase in the effective interest rate on our outstanding debt throughout a one-year period would result in an annual increase in our interest expense of approximately $5.0 million. Any significant increase in our interest expense could negatively impact our results of operations and cash flows and also our ability to pay dividends in the future.

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We are currently involved in litigation and administrative proceedings involving some of our patents and may be involved in other such actions in the future; any adverse decisions, findings of non-infringement, or invalidation or limitation of the scope of our patents could significantly harm our business.

We are currently involved in litigation involving some of our patents, and may be involved in other such actions in the future. The parties in these legal actions often challenge the infringement, validity, scope, enforceability and/or ownership of our patents. In addition, in the past requests for reexamination or review have been filed in the U.S. Patent and Trademark Office ("PTO") with respect to patent claims at issue in one or more of our litigation proceedings, and oppositions have been filed against us with respect to our patents in the European Patent Office ("EPO"). During a reexamination or review proceeding and upon completion of the proceeding, the PTO or EPO may leave a patent in its present form, narrow the scope of the patent, or cancel or find unpatentable some or all of the claims of the patent. For example, the PTO has issued several Official Actions rejecting or maintaining earlier rejections of many of the claims in some of our patents. From time to time we assert these patents and patent claims in litigation and administrative proceedings. If the PTO's adverse rulings are upheld on appeal and some or all of the claims of the patents that are subject to reexamination are canceled, our business may be significantly harmed. In addition, counterparties to our litigation and administrative proceedings may seek and obtain orders to stay these proceedings based on rejections of claims in PTO reexaminations or review proceedings, and other courts or tribunals reviewing our legal actions could make findings adverse to our interests, even if the PTO actions are not final.

We cannot predict the outcome of any of these proceedings or the myriad procedural and substantive motions in these proceedings. If there is an adverse ruling in any legal or administrative proceeding relating to the infringement, validity, enforceability or ownership of any of our patents, or if a court or an administrative body such as the PTO limits the scope of the claims of any of our patents or concludes that they are unpatentable, we could be prevented from enforcing or earning future royalties from those patents, and the likelihood that customers will take new licenses and that current licensees will continue to agree to pay under their existing licenses could be significantly reduced. The resulting reduction in license fees and royalties could significantly harm our business, consolidated financial position, results of operations and cash flows, as well as the trading price of our common stock.

Regardless of the merits of any claim, the continued maintenance of these legal and administrative proceedings may result in substantial legal expenses and diverts our management's time and attention away from our other business operations, which could significantly harm our business. Our enforcement proceedings have historically been protracted and complex. The time to resolution and complexity of our litigation, its disproportionate importance to our business compared to other companies, the propensity for delay in civil litigation, and the potential that we may lose particular motions as well as the overall litigation could all cause significant volatility in our stock price and have a material adverse effect on our business and consolidated financial position, results of operations, and cash flows.

The timing of billings under our license and settlement agreements may cause fluctuations in our quarterly or annual results of operations.

From time to time we enter into license and settlement agreements that include pricing or payment terms that result in quarter-to-quarter or year-over-year fluctuations in our revenue, billings and cash flows. The effect of these terms may also cause our aggregate annual royalty revenue or billings to grow less rapidly than annual growth in overall unit shipments or revenue in the applicable end market. Additionally, our customers may fail to pay, delay payment of or underpay what they owe to us under our license and settlement agreements, which may in turn require us to enforce our contractual rights through litigation, resulting in payment amounts and timing different than expected based on the terms of our license and settlement agreements. This also may cause our revenue, billings and cash flows to fluctuate on a quarter-to-quarter or year-over-year basis.

We expect to continue to be involved in material legal proceedings to enforce or protect our intellectual property and contract rights, including material litigation with existing licensees or strategic partners, that could harm our business.

From time to time, our efforts to obtain a reasonable royalty through our sales efforts do not result in the prospective customer agreeing to license our patents or our technology. In certain cases, we become involved in litigation to enforce our intellectual property rights, enforce the terms of our license agreements, determine the validity and scope of the proprietary rights of others, and defend against claims of infringement or invalidity. For example, on September 28, 2017, we filed legal proceedings against Samsung Electronics and certain of its affiliates, alleging infringement of certain of our patents. Our current legal actions, as described in Part II, Item 1 - Legal Proceedings, are examples of disputes and litigation that impact our business. If we are not able to reach agreement with customers or potential customers we may be involved in similar legal proceedings in the future, including proceedings to ensure proper and full payment of royalties by licensees under the terms of their license agreements.

Existing and any future legal actions may harm our business. For example, legal actions could cause an existing customer or strategic partner to cease making royalty or other payments to us, or to challenge the validity and enforceability of our patents

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or the scope of our license agreements, and could significantly damage our relationship with such customer or strategic partner and, as a result, prevent the adoption of our technologies and intellectual property by such customer or strategic partner. Litigation could also severely disrupt or shut down the business operations of our customers or strategic partners, which in turn would significantly harm our ongoing relations with them and cause us to lose royalties. Moreover, the timing and results of any of our legal proceedings are not predictable and may vary in any individual proceeding. Further, our product licensing business could be subject to greater risk of claims of infringement of third-party intellectual property rights as a result of our IP licensing business. The risks of third-party infringement claims could be heightened by our need to engage in enforcement activities with respect to our existing patents, as our existing or potential licensees may seek to assert infringement claims against our DTS or other product businesses in response to our enforcement activities relating to our existing patents. For example Broadcom had filed patent litigation against our Play-Fi business which we believe was in response to our patent litigation filed against them. Competitors of our product licensing business would not be subject to such heightened risk of third-party claims, and such claims could adversely affect our product licensing business as well as impair our enforcement ability and licensing royalties.

The cost of litigation is typically very high and can be difficult to predict, and such high costs and unpredictability may negatively impact our financial results.

From time to time we identify products that we believe infringe our patents. We seek to license the companies that design, make, use, import, sell, or offer for sale those products, but sometimes those companies are unwilling to enter into a license agreement. In those circumstances, we may elect to enforce our patent rights against those companies and products. Litigation stemming from these or other disputes could harm our relationships with those companies or other licensees, or our ability to gain new customers, who may postpone licensing decisions pending the outcome of the litigation or dispute, or who may, as a result of such litigation, choose not to adopt our technologies. In addition, these legal proceedings could be very expensive and may significantly reduce our profits.

In addition, from time to time our customers with existing license agreements dispute their obligations under such agreements, or we may dispute their reporting of royalties due under such agreements. In the past, customers have threatened to initiate litigation against us regarding our licensing royalty rate practices including our adherence to licensing on fair, reasonable, and non-discriminatory terms and potential antitrust claims.

The costs associated with legal proceedings are typically high, relatively unpredictable, and not completely within our control. These costs may be materially higher than expected, which could adversely affect our operating results and lead to volatility in the price of our common stock. Whether or not determined in our favor or ultimately settled, litigation diverts our managerial, technical, legal and financial resources from our business operations. Furthermore, an adverse decision in any of these legal actions could result in a loss of our proprietary rights, subject us to significant liabilities, require us to seek licenses from others, limit the value of our licensed technology or otherwise negatively impact our stock price or our business and consolidated financial position, results of operations and cash flows.

Even if we prevail in our legal actions, significant contingencies may exist to their settlement and final resolution, including the scope of the liability of each party, our ability to enforce judgments against the parties, the ability and willingness of the parties to make any payments owed or agreed upon, and the dismissal of the legal action by the relevant court, none of which are completely within our control. Parties that may be obligated to pay us royalties or damages, or that may otherwise be subject to a judgment, could become insolvent or decide to alter their business activities or corporate structure, which could affect our ability to collect royalties or damages from, or enforce a judgment against, such parties.

Recent and proposed changes to U.S. patent laws, rules, and regulations may adversely impact our business.

Our business relies in part on the uniform and historically consistent application of U.S. patent laws, rules, and regulations. There have been numerous recent administrative, legislative, and judicial changes and proposed changes to patent laws and rules that may have a significant impact on our ability to protect our technology and enforce our intellectual property rights. For example, there have been and may be bills introduced in the U.S. Congress relating to patent law that could adversely impact our business depending on the scope of any bills that may ultimately be enacted into law. As another example, the U.S. Supreme Court and lower courts have in recent years issued decisions that are not favorable to patent owners. Some of these changes or potential changes may not be advantageous for us and may make it more difficult to obtain adequate patent protection, or to enforce our patents against parties using them without a license or payment of royalties. These changes or potential changes could increase the costs and uncertainties surrounding the prosecution of our patent applications and the enforcement of our patent rights and could have a negative effect on our ability to license our patents and, therefore, on the royalties we can collect.

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Some of our license agreements may convert to fully paid-up licenses at the expiration of their terms, or upon certain milestones, and we may not receive royalties after that time.

From time to time we enter into license agreements that automatically convert to fully paid-up licenses upon expiration or upon reaching certain milestones. We may not receive further royalties from customers for any licensed technology under those agreements if they convert to fully paid-up licenses because such customers will be entitled to continue using some, if not all, of the relevant intellectual property or technology under the terms of the license agreements without further payment, even if relevant patents or technologies are still in effect. If we cannot find another source of royalties to replace the royalties from these license agreements converting to fully paid-up licenses, our results of operations following such conversion would be materially adversely affected.

A significant amount of our royalty revenue and billings comes from a few end markets and products, and our business could be harmed if demand for these market segments or products declines.

A significant portion of our royalties comes from the manufacture and sale of packaged semiconductor chips for DRAM, application-specific standard product semiconductors, application-specific integrated circuits, and memory. In addition, we derive substantial royalties from the incorporation of our technology into mobile devices, consumer products and computer hardware. If demand for semiconductors in any one or a combination of these market segments or products declines, our royalties may be reduced significantly and our business would be harmed.

The long-term success of our business is dependent on a royalty-based business model, which is inherently risky.

The long-term success of our business is dependent on future royalties paid to us by customers. Royalty payments under our licenses may be based, among other things, upon the number of electrical connections to the semiconductor chip in a package covered by our licensed technology, a percent of net sales, a rate per package, a per unit sold basis or a fixed quarterly amount. We are dependent upon our ability to structure, negotiate and enforce agreements for the determination and payment of royalties, as well as upon our customers’ compliance with their agreements. We face risks inherent in a royalty-based business model, many of which are outside of our control, such as the following:

• the rate of adoption and incorporation of our technology by semiconductor manufacturers, assemblers, foundries, manufacturers of consumer and communication electronics, and the automotive and surveillance industry;

• the willingness and ability of materials and equipment suppliers to produce materials and equipment that support our licensed technology, in a quantity sufficient to enable volume manufacturing;

• the ability of our customers to purchase such materials and equipment on a cost-effective and timely basis;

• the length of the design cycle and the ability of us and our customers to successfully integrate certain of our imaging technologies into their integrated circuits;

• the demand for products incorporating semiconductors that use our licensed technology;

• the cyclicality of supply and demand for products using our licensed technology;

• the impact of economic downturns; and

• the impact of poor financial performance of our customers.

It is difficult for us to verify royalty amounts owed to us under our licensing agreements, and this may cause us to lose revenue and billings.

The terms of our license agreements often require our customers to document their use of our technology and report related data to us on a quarterly basis. Although our license terms generally give us the right to audit books and records of our customers to verify this information, audits can be expensive, time consuming, and may not be cost justified based on our understanding of our customers’ businesses, especially given the international nature of our customers. Our license compliance program audits certain customers to review the accuracy of the information contained in their royalty reports in an effort to decrease the likelihood that we will not receive the royalty to which we are entitled under the terms of our license agreements, but we cannot give assurances that such audits will be effective to that end.

The markets for semiconductors and related products are highly concentrated, and we may have limited opportunities to license our technologies or sell our products.

The semiconductor industry is highly concentrated in that a small number of semiconductor designers, foundries, and manufacturers account for a substantial portion of the purchases of semiconductor products generally, including our products and products incorporating our technologies. Continued consolidation in the semiconductor industry may increase this concentration. Accordingly, we expect that licenses of our technologies and sales of our products will be concentrated with a limited number of customers for the foreseeable future. As we develop and acquire new technologies and integrate them into our product line, we will need to establish new relationships to sell these products. Our financial results significantly depend on

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our success in establishing and maintaining relationships with, and effecting substantial sales to, these customers. Even if we are successful in establishing and maintaining such relationships, our financial results will be dependent in large part on these customers' sales and business results.

We make significant investments in new products and services that may not achieve technological feasibility or profitability or that may limit our growth.

We have made and will continue to make significant investments in research, development, and marketing of new technologies, products and services, including audio, imaging, and advanced semiconductor packaging, bonding, and interconnect technologies. Investments in new technologies are speculative and technological feasibility may not be achieved. Commercial success depends on many factors including demand for innovative technology, availability of materials and equipment, selling price the market is willing to bear, competition and effective licensing or product sales. We may not achieve significant revenue or billings from new product and service investments for a number of years, if at all. Moreover, new technologies, products and services may not be profitable, and even if they are profitable, operating margins for new products and businesses may not be as high as the margins we have experienced historically or originally anticipated.

We may not be able to evolve our audio and imaging technologies, products, and services, or develop new technologies, products, and services, that are acceptable to our customers or the evolving markets, and our customers may use technologies offered at lower cost by others.

The markets for our audio and imaging technologies, products, and services are characterized by:

• rapid technological change and product obsolescence;

• new and improved product introductions;

• changing consumer demands;

• increasingly competitive product landscape; and

• evolving industry standards.

Our future success in our product licensing business depends upon our ability to enhance our existing technologies, products, and services and to develop enhanced and acceptable new technologies, products, and services on a timely basis. The development of enhanced and new audio and imaging technologies, products, and services is a complex and uncertain process requiring high levels of innovation, highly-skilled engineering and development personnel, and the accurate anticipation of technological and market trends. We may not be able to accurately identify, develop, market, or support new or enhanced technologies, products, or services on a timely basis, if at all. Furthermore, our new imaging and audio technologies, products, and services may never gain market acceptance, and we may not be able to respond effectively to evolving consumer demands, technological changes, product announcements by competitors, or emerging industry standards. Any failure to respond to these changes or concerns would likely prevent our imaging and audio technologies, products, and services from gaining market acceptance or maintaining market share and could lead to our imaging and audio technologies, products, and services becoming obsolete.

Furthermore, the decision by a party dominant in the entertainment value chain to provide audio or imaging technology at very low or no cost could cause our customers and other manufacturers not to utilize our technologies or services in the future. Our customers may choose to use technologies that their own in-house audio or imaging engineering teams have developed, or in which they have an interest. Accordingly, our revenue or billings could decline if our customers choose not to incorporate our audio or imaging technologies in their products, or if they sell fewer products incorporating our audio or imaging technologies.

Competing technologies may harm our business.

We expect that our technologies will continue to compete with technologies of internal design groups at semiconductor manufacturers, assemblers, electronic component, foundries and system manufacturers. The internal design groups of these companies create their own semiconductor, packaging, audio and imaging solutions. If these internal design groups design around our patents or introduce unique solutions superior to our technology, they may not need to license our technology. These groups may design technology that is less expensive to implement or that enables products with higher performance or additional features. Many of these groups have substantially greater resources, greater financial strength and lower cost structures which may allow them to undercut our price. They also have the inherent advantage of access to internal corporate strategies, technology roadmaps and technical information. As a result, they may be able to bring alternative solutions to market more easily and quickly.

DTS audio technologies compete with other providers of audio products and services, with Dolby Laboratories as the primary competitor in high-definition audio processing. Dolby Laboratories enjoys certain competitive advantages in selling its digital

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multi-channel audio technology, having introduced such technology before we did, and having achieved mandatory standard status in product categories that we have not, including terrestrial digital TV broadcasts in the United States.

For our embedded image processing technologies such as Face Detection and our other products, our offerings compete with other image processing software vendors such as ArcSoft, Inc. as well as internal design groups of mobile phone and digital camera manufacturers providing similar technologies by employing different approaches.

In the future, our licensed technologies may also compete with other technologies that emerge. These technologies may be less expensive and provide higher or additional performance. Companies with these competing technologies may also have greater resources. Technological change could render our technologies obsolete, and new, competitive technologies could emerge that achieve broad adoption and adversely affect the use of our technologies and intellectual property.

If we do not successfully further develop and commercialize the technologies we acquire, or cultivate strategic relationships that expand our licensable portfolio, our competitive position could be harmed and our operating results adversely affected.

We attempt to expand our licensable technology portfolio and technical expertise by further developing and acquiring new technologies or developing strategic relationships with others. These strategic relationships may include the right for us to sublicense technology and intellectual property to others. However, we may not be able to acquire or obtain rights to licensable technology and intellectual property in a timely manner or upon commercially reasonable terms. Even if we do acquire such rights, some of the technologies we invest in may be commercially unproven and may not be adopted or accepted by the industry. Moreover, our research and development efforts, and acquisitions and strategic relationships, may be futile if we do not accurately predict the future needs of the semiconductor, consumer and communication electronics, and consumer imaging and audio processing industries. Our failure to acquire new technologies that are commercially viable in the semiconductor, consumer and communication electronics, and consumer imaging and audio processing industries could significantly harm our business, financial position, results of operations and cash flows.

The way we integrate internally developed and acquired technologies into our products and licensing programs may not be accepted by customers.

We have devoted, and expect to continue to devote, considerable time and resources to developing, acquiring and integrating new and existing technologies into our products and licensing programs. However, if customers do not accept the way we have integrated our technologies, they may adopt competing solutions. In addition, as we introduce new products or licensing programs, we cannot predict with certainty if and when our customers will transition to those new products or licensing programs. Moreover, with respect to certain of our imaging technologies, even after we have signed a license agreement with a customer, we will often not see significant royalties from that customer until after such technologies have been successfully designed into the customer's integrated circuits, which can take 18 months or longer. If customers fail to accept new or upgraded products or licensing programs incorporating our technologies, our financial position, results of operations and cash flows could be adversely impacted.

If we fail to protect and enforce our intellectual property rights, contract rights, and our confidential information, our business will suffer.

We rely primarily on a combination of license, development and nondisclosure agreements and other contractual provisions, as well as patent, trademark, trade secret and copyright laws, to protect our technology and intellectual property. If we fail to protect our technology, intellectual property, or contract rights, our customers and others may seek to use our technology and intellectual property without the payment of license fees and royalties, which could weaken our competitive position, reduce our operating results and increase the likelihood of costly litigation. The growth of our business depends in large part on our ability to secure intellectual property rights in a timely manner, our ability to convince third parties of the applicability of our intellectual property rights to their products, and our ability to enforce our intellectual property rights.

In certain instances, we attempt to obtain patent protection for portions of our technology, and our license agreements typically include both issued patents and pending patent applications. If we fail to obtain patents in a timely manner or if the patents issued to us do not cover all of the inventions disclosed in our patent applications, others could use portions of our technology and intellectual property without the payment of license fees and royalties. For example, our business may suffer if we are unable to obtain patent protection in a timely manner from the PTO due to processing delays resulting from examiner turnover and a continuing backlog of patent applications.

We also rely on trade secret laws rather than patent laws to protect other portions of our proprietary technology. However, trade secrets can be difficult to protect. The misappropriation of our trade secrets or other proprietary information could seriously harm our business. We protect our proprietary technology and processes, in part, through confidentiality agreements with our

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employees, consultants, suppliers and customers. We cannot be certain that these contracts have not been and will not be breached, that we will be able to timely detect unauthorized use or transfer of our technology and intellectual property, that we will have adequate remedies for any breach, or that our trade secrets will not otherwise become known or be independently discovered by competitors. If we fail to use adequate mechanisms to protect our technology and intellectual property, or if a court fails to enforce our intellectual property rights, our business will suffer. We cannot be certain that these protection mechanisms can be successfully asserted in the future or will not be invalidated or challenged.

Further, the laws and enforcement regimes of certain countries may not protect our technology and intellectual property to the same extent as do the laws and enforcement regimes of the U.S. In certain jurisdictions we may be unable to protect our technology and intellectual property adequately against unauthorized use, which could adversely affect our business.

Our business may suffer if third parties assert that we violate their intellectual property rights.

Third parties may claim that either we or our customers are infringing upon their intellectual property rights. Even if we believe that such claims are without merit, they can be time-consuming and costly to defend against and will divert management's attention and resources away from our business. Furthermore, third parties making such claims may be able to obtain injunctive or other equitable relief that could block our ability to further develop or commercialize some or all of our products or services in the U.S. and abroad. Claims of intellectual property infringement also might require us to enter into costly settlement or license agreements, pay costly damage awards, or defend or indemnify our customers against judgments, damages, or other losses. Even if we have an agreement that provides for a third party to indemnify us against such costs, the indemnifying party may be unable to perform its contractual obligations under the agreement. If we cannot or do not license the allegedly infringed intellectual property on reasonable terms, or need to substitute similar technology from another source, our business, financial position, results of operations and cash flows could suffer.

Our licensing cycle is lengthy and costly, and our marketing, legal and sales efforts may be unsuccessful.

We generally incur significant marketing, legal and sales expenses prior to entering into our license agreements, generating a license fee and establishing a royalty stream from each licensee. The length of time it takes to establish a new licensing relationship, and/or for our customers to incorporate certain imaging technologies in their integrated circuits, can be 18 months or longer. As such, we may incur significant expenses in any particular period before any associated royalty or cash flow stream begins.

Our business incurs significant reverse engineering expenditures on products of potential licensees in order to prepare sales and marketing collateral. We employ intensive marketing and sales efforts to educate licensees, potential licensees and original equipment manufacturers about the benefits of our technologies. In addition, even if these companies adopt our technologies, they must devote significant resources to integrate fully our technologies into their operations. If our marketing and sales efforts are unsuccessful, then we may not be able to achieve widespread acceptance of our technology. In addition, ongoing litigation could impact our ability to gain new licensees which could have an adverse effect on our financial condition, results of operations and cash flows.

If our licensees delay, refuse to or are unable to make payments to us due to financial difficulties or otherwise, or shift their licensed products to other companies to lower their royalties to us, our operating results and cash flows could be adversely affected.

A number of companies in the semiconductor and consumer electronics industries face severe financial difficulties from time to time. As a result, there have been bankruptcies and restructuring of companies in these industries. As an example, in our quarter ended September 30, 2017 we recorded a bad debt charge for $1.6 million relating to past due receivables from two LeEco affiliates, based on our significant doubts about full collection due to substantial financial stress and negative payment history that these affiliates exhibited. Other customers may face similar financial difficulties which may result in their inability to make payments to us in a timely manner, or at all. In addition, we have had a history of, and we may in the future experience, customers that delay or refuse to make payments owed to us under license or settlement agreements. Our customers may also merge with or may shift the manufacture of licensed products to companies that are not currently licensees to us. This could make the collection process complex and difficult, which could adversely impact our business, financial condition, results of operations and cash flows.

Failure by the semiconductor industry to adopt our technology for the next generation high performance chips used in consumer electronics would significantly harm our business.

To date, our technology has been used by several companies in high performance semiconductor chips, including DRAM. For example, semiconductor packaging, circuitry and processing using our technology is used for DDR3 and DDR4 DRAM and we currently have customers who are paying royalties for DRAM chips in advanced packages.

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We anticipate that royalties from shipments of next-generation semiconductor chips using our technology may account for a significant percentage of our future royalties. If semiconductor manufacturers do not continue to use our technology for the next-generation chips and find viable alternative technologies for use with next-generation chips, or if we do not receive royalties from the next-generation chips that use our technology, our future financial performance and cash flows could be adversely affected.

Our technology may be too expensive for certain next-generation semiconductor manufacturers, which could significantly reduce the adoption rate of our technology in next-generation chips. Even if our technology is selected for at least some of these next-generation chips, there could be delays in the introduction of products utilizing these chips that could materially affect the amount and timing of any royalty payments that we receive. Other factors that could affect adoption of our technology for next-generation semiconductor products include delays or shortages of materials and equipment and the availability of testing services.

Similarly, our audio licensing royalties from consumer electronics product manufacturers depends, in large part, upon the availability of ICs that implement our technologies. IC manufacturers incorporate our audio technologies into these ICs, which are then incorporated into consumer electronics products. We do not manufacture these ICs, but rather depend upon IC manufacturers to develop, produce and then sell them to licensed consumer electronics product manufacturers. We do not control the IC manufacturers' decisions whether or not to incorporate our technologies into their ICs, and we do not control their product development or commercialization efforts. If these IC manufacturers are unable or unwilling to implement our technologies into their ICs, production is delayed, or if they sell fewer ICs incorporating our technologies, our operating results and cash flows could be adversely affected.

The investment of our cash, cash equivalents and investments in marketable debt securities are subject to risks which may cause losses and affect the liquidity of these investments.

At March 31, 2018, we held approximately $35.0 million in cash and cash equivalents and $45.8 million in short-term investments. These investments include various financial securities such as corporate bonds and notes, municipal bonds and notes, commercial paper, treasury and agency notes and bills, and money market funds. Although we invest in high quality securities, ongoing financial events have at times adversely impacted the general credit, liquidity, market and interest rates for these and other types of debt securities. Changes in monetary policy by the Federal Reserve, government fiscal policies, and global economic and market conditions may adversely affect the value of our investment portfolio. While we have historically held our investments to maturity, we may in the future have a need to sell investments before their maturity dates, which could result in losses on the sale of those investments. For example, the DTS acquisition resulted in us liquidating a significant portion of our investments. The financial market and monetary risks associated with our investment portfolio may have a material adverse effect on our financial condition, results of operations and cash flows.

Our intellectual property business operates in a highly cyclical industry, which is subject to significant downturns.

The semiconductor and electronics industries in which our intellectual property business primarily operates has historically been cyclical and is characterized by wide fluctuations in product supply and demand. From time to time, this industry has experienced significant downturns, often in connection with, or in anticipation of, declining economic conditions, maturing product and technology cycles, and excess inventories. This cyclicality could cause our operating results to decline from one period to the next. Our business depends, in part, upon the volume of production by our customers, which, in turn, depends upon the current and anticipated market demand for semiconductors and products that use semiconductors. Semiconductor manufacturers, foundries, and package assembly companies generally sharply curtail their spending during industry downturns, and historically have lowered their spending more than the decline in their revenue. As a result, our financial results have been, and will continue to be, impacted by the cyclicality of the electronics industry. If we are unable to control our expenses adequately in response to lower royalties from our customers in such downturns, our results of operations and cash flows will be materially and adversely impacted.

If we are unable to maintain a sufficient amount of content released in the DTS audio format, demand for the technologies, products, and services that we offer to consumer electronics product manufacturers may significantly decline, which would adversely impact our business and prospects.

We expect to derive a significant percentage of our billings from the technologies, products, and services that we offer to manufacturers of consumer electronics products. We believe that demand for our audio technologies in growing markets for multi-channel and/or high resolution audio, including TVs, tablets, mobile phones, video game consoles, automobiles, and soundbars, will be based on the amount, quality, and popularity of content (such as movies, TV shows, music, and games) either released in the DTS audio format or capable of being coded and played in the DTS format. In particular, our ability to penetrate the growing markets in the network-connected space depends on the presence of streaming and downloadable content

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released in the DTS audio format. We generally do not have contracts that require providers of streaming and downloadable content to develop and release such content in a DTS audio format. Accordingly, our billings could decline if these providers elect not to incorporate DTS audio into their content or if they sell less content that incorporates DTS audio.

In addition, we may not be successful in maintaining existing relationships or developing new relationships with other existing or new content providers. As a result, we cannot assure you that a sufficient amount of content will be released in a DTS audio format to ensure that manufacturers continue offering DTS decoders in the consumer electronics products that they sell.

Demand for our HD Radio technology may be insufficient to sustain projected growth.

Demand for and adoption of HD Radio technology may not be sufficient for us to continue to increase the number of customers of our HD Radio system, which include IC manufacturers, manufacturers of broadcast transmission equipment, consumer electronics products manufacturers, component manufacturers, data service providers, manufacturers of specialized and test equipment and radio broadcasters.

Among other things, continuing and increased consumer acceptance of HD Radio technology will depend upon:

• the number of radio stations broadcasting digitally using HD Radio technology;

• the willingness of automobile manufacturers to include HD Radio receivers in their vehicles;

• the willingness of manufacturers to incorporate HD Radio technology into their products;

• the cost and availability of HD Radio enabled products; and

• the marketing and pricing strategies that we employ and that are employed by our customers and retailers.

If demand for HD Radio technology does not continue to increase as expected, we may not be able to increase our DTS royalties as projected.

Our HD Radio technology may not remain competitive if we do not respond to changes in technology, standards and services that affect the radio broadcasting industry.

The radio broadcasting industry is subject to technological change, evolving industry standards, regulatory restrictions and the emergence of other media technologies and services. Our HD Radio technology may not gain market acceptance over these other technologies. Various other audio technologies and services that have been developed and introduced include:

• internet streaming, cable-based audio programming and other digital audio broadcast formats;

• satellite delivered digital audio radio services that offer numerous programming channels;

• other digital radio competitors, such as Digital Radio Mondiale, or DAB; and

• growth in use of portable devices for storage and playback of audio content.

Competition arising from these or other technologies or potential regulatory change may have an adverse effect on the radio broadcasting industry or on our company and our financial condition and results of operations.

If we are unable to further penetrate the streaming and downloadable content delivery markets and adapt our technologies for those markets, our royalties and ability to grow our audio business could be adversely impacted.

Video and audio content has historically been purchased and consumed primarily via optical disc-based media. However, the growth of the internet and network-connected device usage, along with the rapid advancement of online and mobile content delivery has resulted in download and streaming services becoming mainstream with consumers in various parts of the world. We expect the shift away from optical disc-based media to streaming and downloadable content consumption to continue. If we fail to continue to penetrate the streaming and downloadable content delivery market, our audio business could suffer.

The services that provide content from the cloud are not generally governed by international or national standards and are thus free to choose any media format(s) to deliver their products and services. This freedom of choice on the part of online content providers could limit our ability to grow if such content providers do not incorporate our technologies into their services, which could affect demand for our technologies.

Furthermore, our inclusion in mobile and other network-connected devices may be less profitable for us than optical disc players. The online and mobile markets are characterized by intense competition, evolving industry standards and business and distribution models, disruptive software and hardware technology developments, frequent new product and service introductions, short product and service life cycles, and price sensitivity on the part of consumers, all of which may result in

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downward pressure on pricing. If we are unable to adequately and timely respond to the foregoing, our business and operating results could be adversely affected.

Changes in financial accounting or taxation standards, rules, practices or interpretations may cause adverse unexpected revenue and expense fluctuations which may impact our reported results of operations.

We prepare our consolidated financial statements in accordance with U.S. generally accepted accounting principles (GAAP). These principles are subject to interpretations by the SEC and various accounting bodies. In addition, we are subject to various taxation rules in many jurisdictions. The existing taxation rules are generally complex, frequently changing and subject to interpretation. Changes to taxation rules, changes to financial accounting standards, or any changes to the interpretations of these standards or rules may adversely affect our reported financial results or the way in which we conduct business. Recent accounting pronouncements and their estimated potential impact on our business are addressed in Note 2 - “Summary of Significant Accounting Policies” in the Notes to Condensed Consolidated Financial Statements.

In May 2014, the Financial Accounting Standards Board (“FASB”) issued ASU 2014-09, “Revenue from Contracts with Customers” (“ASU 2014-09”), and since May 2014 the FASB has issued amendments to this new guidance, which collectively provides guidance for revenue recognition. ASU 2014-09 became effective for us beginning January 1, 2018 and we adopted the new standard under the modified retrospective approach. Under the new standard, the historical practice of many licensing companies of reporting revenue from per-unit royalty-based agreements one quarter in arrears is no longer accepted and instead companies must now estimate royalty-based revenue. This guidance will significantly impact our revenue recognition. First, we will no longer be allowed to follow our past practice of recording per unit license revenue on a quarter lag basis, a practice precipitated by the lack of reliable estimates for such revenue. Estimating per unit royalty revenue prior to receiving the licensee’s royalty report requires us to make significant assumptions and judgments and could cause significant fluctuations of royalty revenue on a quarterly basis. Second, we are now required to record all or a significant majority of revenue under our fixed fee and minimum guarantee license agreements when such agreements are effective rather than recording them over time as was our past practice and which generally aligned revenue more closely with the billing cycle and cash flows from such agreements. While the changes in revenue recognition do not impact our cash flows, the impact on our Statement of Operations under the new accounting standard may impact how investors perceive our business which could materially impact the value of our common stock.

On December 22, 2017, the Tax Cut and Jobs Act (“Tax Act”) was signed into law. The Tax Act introduced a broad range of tax reform measures that significantly change the federal income tax laws. The provisions of the Tax Act that may have significant impact on us include the permanent reduction of the U.S. federal corporate income tax rate from 35% to 21% effective for tax years including or commencing on January 1, 2018, one-time transition tax on post-1986 foreign unremitted earnings, provision for global intangible low-taxed income (“GILTI”), deduction for foreign-derived intangible income (“FDII”), , modification of the maximum deduction of net operating loss with no carryback but indefinite carryforward provision, and limitation on the deductibility of executive compensation.

We continue to analyze additional information and new guidance issued by relevant authorities related to the Tax Act which could impact the determination of the net deferred taxes subject to the remeasurement and the related impact to the assessment of valuation allowance. The prospects of supplemental legislation or regulatory processes to address questions that arise because of the Tax Act, or evolving technical interpretations of the tax law, may cause the final impact from the Tax Act to differ materially from the recorded amounts.

Our rate of taxation in foreign jurisdictions has historically been lower than our U.S. tax rate. Our international income is primarily earned by our subsidiaries organized in Ireland and the United Kingdom, and, as such, our effective tax rate can be impacted by the composition of our earnings in the U.S. and foreign jurisdictions. The Organization for Economic Cooperation and Development issued guidelines and proposals during October 2015 that may change how our tax obligations are determined in many of the countries in which we do business. These potential changes could also adversely affect our effective tax rate.

Our future effective tax rate may be affected by such factors as changes in financial accounting standards and tax laws, changing interpretations and new guidance related to the Tax Act, the impact of accounting for stock-based compensation, the impact of accounting for business combinations, changes in the composition of global earnings, the expiration of statute of limitations, settlements of audits, changes in our international organization and changes in overall levels of income before tax.

Our effective tax rate depends on our ability to secure the tax benefits of our international corporate structure, on the application of the tax laws of various jurisdictions and on how we operate our business.

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Our international corporate structure and intercompany arrangements, including the manner in which we market, develop, use and license our intellectual property, fund our operations and structure transactions with our international subsidiaries, may result in the increase or reduction of our worldwide effective tax rate. Such international corporate structure and intercompany arrangements are subject to examination by the tax authorities of the jurisdictions in which we operate, including the United States. The application of the tax laws of these jurisdictions to our international business activities is subject to interpretation and depends on our ability to operate our business in a manner consistent with our corporate structure and intercompany arrangements. Moreover, such tax laws are subject to change. Tax authorities may disagree with our intercompany transfer pricing arrangements, including our transfer of intangibles, or determine that the manner in which we operate our business does not achieve the intended tax consequences. Additionally, current and future changes in the tax laws or interpretations (such as the enactment of the Tax Act to reform U.S. taxation of international business activities) may have an adverse effect on our international corporate structure and operations. The result of an adverse determination of any of the above items could increase our worldwide effective tax rate and harm our financial position and results of operations.

We have in the past recorded, and may in the future record, significant valuation allowances on our deferred tax assets, and the recording and release of such allowances may have a material impact on our results of operations and cause fluctuations in our stock price.

The need for a valuation allowance requires an assessment of both positive and negative evidence when determining whether it is more likely than not that deferred tax assets are recoverable.  Such assessment is required on a jurisdiction-by-jurisdiction basis.  In making such assessment, significant weight is given to evidence that can be objectively verified.  After considering both positive and negative  evidence to assess the recoverability of our net deferred tax assets, we determined that it was more likely than not that we would not realize certain federal, state and foreign deferred tax assets given the substantial amount of tax attributes that will remain unutilized to offset forecasted future tax liabilities. In the future, we may release valuation allowance and recognize certain deferred federal tax assets, deferred state tax assets or deferred tax assets of other foreign subsidiaries depending on achievement of future profitability in relevant jurisdictions, or implementing tax planning strategies that enable us to utilize deferred tax assets that would otherwise be unused.

We continue to monitor the likelihood that we will be able to recover our deferred tax assets, including those for which a valuation allowance is recorded. There can be no assurance that we will generate profits or implement tax strategies in future periods enabling us to fully realize our deferred tax assets. The timing of recording a valuation allowance or the reversal of such valuation allowance is subject to objective and subjective factors that cannot be readily predicted in advance. Both the establishment of a valuation allowance and the reversal of a previously recorded valuation allowance may have a material impact on our financial results, which may lead to fluctuation in the value of our stock.

The international nature of our business exposes us to financial and regulatory risks that may have a negative impact on our consolidated financial position, results of operations and cash flows, and we may have difficulty protecting our intellectual property in some foreign countries.

We derive a significant portion of our royalties from licensees headquartered outside of the U.S. We also have operations outside of the U.S., including our research and development facilities in Ireland, Romania and the United Kingdom, to design, develop, test or market certain technologies. International operations are subject to a number of risks, including but not limited to the following:

• changes in trade protection laws, policies and measures, and other regulatory requirements affecting trade and investment;

• regulatory requirements and prohibitions that differ between jurisdictions;

• laws and business practices favoring local companies;

• withholding tax obligations on license royalties that we may not be able to offset fully against our U.S. tax obligations, including the further risk that foreign tax authorities may re-characterize license fees or increase tax rates, which could result in increased tax withholdings and penalties;

• security concerns, including crime, political instability, terrorist activity, armed conflict and civil or military unrest;

• differing employment practices, labor issues and business and cultural factors;

• less effective protection of intellectual property than is afforded to us in the U.S. or other developed countries; and

• limited infrastructure and disruptions, such as large-scale outages or interruptions of service from utilities or telecommunications providers.

Our intellectual property is also used in a large number of foreign countries. There are many countries in which we currently have no issued patents. In addition, effective intellectual property enforcement may be unavailable or limited in some foreign countries. It may be difficult for us to protect our intellectual property from misuse or infringement by other companies in these countries. We expect this to become a greater problem for us as our licensees increase their manufacturing and sales in

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countries which provide less protection for intellectual property. Our inability to enforce our intellectual property rights in some countries may harm our business, financial position, results of operations and cash flows.

Our business and operating results may be harmed if we are unable to manage growth in our business, if we undertake any further restructuring activities or if we dispose of a business division or dispose of or discontinue any product lines.

We have in the past expanded our operations, domestically and internationally, and may continue to do so through both internal growth and acquisitions. In December 2016, we acquired DTS, resulting in our headcount more than doubling year over year. If our growth continues, it may place a significant strain on our management team and on our operational and financial systems, procedures, and controls. Our future success will depend, in part, upon the ability of our management team to manage any growth effectively, requiring our management to:

• recruit, hire, and train additional personnel;

• implement and improve our operational and financial systems, procedures, and controls;

• maintain our cost structure at an appropriate level based on the royalties, billings and cash we forecast and generate;

• manage multiple concurrent development projects; and

• manage operations in multiple time zones with different cultures and languages.

If we are unable to effectively manage our growth or we are unsuccessful in recruiting and retaining personnel, our business and operating results will be harmed. Moreover, if our acquisitions or other growth initiatives do not prove to be profitable, we may undertake to restructure our business, including the disposition of a business division, or the disposition or discontinuance of a product line, as we have done in previous years. Any restructuring, disposition or discontinuance would require substantial management time and attention and may divert management from other important work, and may result in significant liabilities and costs as described earlier.

Disputes regarding our intellectual property may require us to defend or indemnify certain customers or licensees, the cost of which could adversely affect our business operations and financial condition.

While we generally do not defend or indemnify our customers, some of our license agreements in our imaging and audio businesses provide limited defense and indemnities for certain actions brought by third parties against our customers, and some require us to provide technical support and information to a customer that is involved in litigation for using our technology. Our defense, indemnity and support obligations could result in substantial expenses. In addition to the time and expense required for us to defend, indemnify or supply such support to our customers, a customer’s development, marketing and sales of licensed image or audio products could be severely disrupted or shut down as a result of litigation, which in turn could have a material adverse effect on our business operations, consolidated financial position, results of operations and cash flows.

If we lose any of our key personnel or are unable to attract, train and retain qualified personnel, we may not be able to execute our business strategy effectively.

Our success depends, in large part, on the continued contributions of our key management, engineering, sales, marketing, intellectual property, legal and finance personnel, many of whom are highly skilled and would be difficult to replace. None of our senior management, key technical personnel or key sales personnel are bound by written employment contracts to remain with us for a specified period. In addition, we do not currently maintain key-person life insurance covering our key personnel or have restrictions on their post-employment ability to solicit our employees, contractors or customers if key personnel voluntarily terminate their employment. The loss of any of our senior management or other key personnel could harm our ability to implement our business strategy and respond to the rapidly changing market conditions in which we operate. Our future success will depend to a significant extent on the ability of these executives to effectively drive execution of our business strategy, and on the ability of our management team to work together effectively.

Our success also depends on our ability to attract, train and retain highly skilled managerial, engineering, sales, marketing, legal and finance personnel and on the abilities of new personnel to function effectively, both individually and as a group. Competition for qualified senior employees can be intense. We have also experienced difficulty in hiring and retaining highly skilled engineers with appropriate qualifications to support our growth and expansion. Further, we must train our new personnel, especially our technical support personnel, to respond to and support our licensees and customers. If we fail to do this, it could lead to dissatisfaction among our licensees or customers, which could slow our growth or result in a loss of business.

Our business operations could suffer in the event of information technology system failures or security breaches.

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Despite system redundancy and the implementation of security measures within our internal and external information technology and networking systems, our information technology systems may be subject to security breaches, unauthorized access (malicious or accidental), misuse of information by authorized users, data leaks or unintentional exposure of information, failed process, loss of data, damages from computer viruses or malware, natural disasters, terrorism, telecommunication failures or disruption of service. Any system failure or security breach could cause interruptions in our operations in addition to the possibility of losing proprietary information and trade secrets. To the extent that any disruption or security breach results in inappropriate disclosure of our confidential information, we may incur liability or additional costs to remedy the damages caused by these disruptions or security breaches.

Decreased effectiveness of share-based compensation could adversely affect our ability to attract and retain employees.

We have historically used stock options, restricted stock grants and other forms of stock-based compensation as key components of employee compensation in order to align employees' interests with the interests of our stockholders, encourage employee retention and provide competitive compensation and benefit packages. We incur significant compensation costs associated with our stock-based compensation programs. Failure to obtain stockholder approval of equity compensation plans or changes to the plans could make it harder or more expensive for us to grant stock-based compensation to employees in the future. As a result, we may find it difficult to attract, retain and motivate employees, and any such difficulty could have a materially adverse impact on our business.

Failure to comply with environmental regulations could harm our business.

We use hazardous substances in the manufacturing and testing of prototype products and in the development of technologies in our research and development laboratories. We are subject to a variety of local, state and federal regulations relating to the storage, discharge, handling, emission, generation, manufacture and disposal of toxic or other hazardous substances. Our past, present or future failure to comply with environmental regulations could result in the imposition of substantial fines, suspension of production, and alteration of our manufacturing processes or cessation of operations. Compliance with such regulations could require us to acquire expensive remediation equipment or to incur other substantial expenses. Any failure to control the use, disposal, removal or storage of, or to adequately restrict the discharge of, or assist in the cleanup of, hazardous or toxic substances, could subject us to significant liabilities, including joint and several liabilities under certain statutes. The imposition of such liabilities could significantly harm our business, financial position, results of operations and cash flows.

We have business operations located in places that are subject to natural disasters.

Our business operations depend on our ability to maintain and protect our facilities, computer systems and personnel. Our corporate headquarters are located in the San Francisco Bay Area and we have engineering activities in several locations throughout California, which in the past have experienced severe earthquakes. We do not carry earthquake insurance for any of our facilities except for our office in Calabasas, California. Earthquakes or other natural disasters could severely disrupt our operations, and have a material adverse effect on our business, results of operations, financial condition and prospects.

We have made and may continue to make or to pursue acquisitions which could divert management's attention, cause ownership dilution to our stockholders, or be difficult to integrate, which may adversely affect our financial results.

We have made several acquisitions, and it is our current plan to continue to acquire companies, assets, patents and technologies that we believe are strategic to our future business. For example, in the fourth quarter of 2016, we acquired DTS, Inc., for approximately $955 million. In the third quarter of 2015, we acquired Ziptronix, Inc. for approximately $39 million. Investigating businesses, assets, patents or technologies and integrating newly acquired businesses, assets, patents or technologies could put a strain on our resources, could be costly and time consuming, and might not be successful. Such activities divert our management's attention from other business concerns. In addition, we might lose key employees while integrating new organizations or operations. Acquisitions could also result in customer dissatisfaction, performance problems with an acquired company or technology, potentially dilutive issuances of equity securities or the incurrence of debt, the assumption or incurrence of contingent liabilities, impairment charges related to goodwill and possible impairment charges related to other intangible assets or other unanticipated events or circumstances, any of which could harm our business.

Our plans to integrate and expand upon research and development programs and technologies obtained through acquisitions may result in products or technologies that are not adopted by the market. The market may adopt competitive solutions to our products or technologies. Consequently, we might not be successful in integrating any acquired businesses, assets, products or technologies, and might not achieve anticipated revenue and cost benefits.

There are numerous risks associated with our acquisitions of businesses, technologies and patents.

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We have made a number of acquisitions of businesses, technologies and patents in recent years. These acquisitions are subject to a number of risks, including but not limited to the following:

• these acquisitions could fail to produce anticipated benefits or could have other adverse effects that we currently do not foresee. As a result, these acquisitions could result in a reduction of net income per share as compared to the net income per share we would have achieved if these acquisitions had not occurred. We may also be required to recognize impairment charges of acquired assets or goodwill, and if we decide to restructure acquired businesses, we may incur other restructuring charges;

• the purchase price for each acquisition is determined based on significant judgment on factors such as projected cash flow, quality and availability of the business, technology or patent. In addition, if other companies have similar interests in the same business, technology or patent, our ability to negotiate these acquisitions at favorable terms may be limited and the purchase price may be artificially inflated;

• following completion of these acquisitions, we may uncover additional liabilities, patent validity, infringement or enforcement issues or unforeseen expenses not discovered during our diligence process;

• any such additional liabilities, patent validity, infringement or enforcement issues or expenses could result in significant unanticipated costs not originally estimated, such as impairment charges of acquired assets and goodwill, and may harm our financial results;

• the integration of technologies, patent assets and personnel, if any, will be a time consuming and expensive process that may disrupt our operations if it is not completed in a timely and efficient manner. If our integration efforts are not successful, our results of operations could be harmed, employee morale could decline, key employees could leave, and customer relations could be damaged. In addition, we may not achieve anticipated synergies or other benefits from any of these acquisitions;

• we have incurred substantial direct transaction and integration costs as a result of past acquisitions. In future acquisitions, the total direct transaction costs and the costs of integration may exceed our expectations;

• sales by the acquired businesses may be subject to different accounting treatment than our existing businesses, especially related to the recognition of revenue. This may lead to the loss or deferral of revenue under current and emerging accounting standards;

• there may be a significant time lag between acquiring patent assets and recognizing royalties from those patent assets. During that time lag, material costs are likely to be incurred in preparing licensing or litigation efforts and amortization of acquired patent assets that would have a negative effect on our results of operations, cash flows and financial position;

• we may require external financing that is dilutive or presents risks of debt; and

• we are required to estimate and record fair values of contingent assets, liabilities, deferred tax assets and liabilities at the time of an acquisition. Even though these estimates are based on management's best judgment, the actual results may differ. Under the current accounting guidance, differences between actual results and management's estimate could cause our operating results to fluctuate or could adversely affect our results of operations.

If our amortizable intangible assets (such as acquired patents) become impaired, we may be required to record a significant charge to earnings.

In addition to internal development, we intend to broaden our intellectual property portfolio through strategic relationships and acquisitions such as the acquisitions of DTS, Inc. in the fourth quarter of 2016, and Ziptronix, Inc. in the third quarter of 2015. We believe these strategic relationships and acquisitions will enhance the competitiveness and size of our current businesses and provide diversification into markets and technologies that complement our current businesses. Future acquisitions could be in the form of asset purchases, equity investments, or business combinations. As a result, we may have intangible assets which are amortized over their estimated useful lives. We review our amortizable intangible assets (such as our patent portfolio) for impairment when events or changes in circumstances indicate the carrying value may not be recoverable or the useful life is shorter than originally estimated. Factors that may be considered a change in circumstances indicating that the carrying value of our amortizable or other intangible assets may not be recoverable include a decline in future cash flows, fluctuations in market capitalization, slower growth rates in our industry or slower than anticipated adoption of our products by our customers. As we continue to review for factors that may affect our business which may not be in our control, we may be required to record a significant charge to earnings in our financial statements during the period in which any impairment of our amortizable intangible assets or equity investments is determined, resulting in an adverse impact on our business, financial position, or results of operations.

Current and future governmental and industry standards may significantly limit our business opportunities.

Technology standards are important in the audio and video industry as they help to assure compatibility across a system or series of products. Generally, standards adoption occurs on either a mandatory basis, requiring a particular technology to be available in a particular product or medium, or an optional basis, meaning that a particular technology may be, but is not

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required to be, utilized. If standards are re-examined or a new standard is developed in which we are not included, our growth in that area of our business could be significantly lower than expected.

As new technologies and entertainment media emerge, new standards relating to these technologies or media may develop. New standards may also emerge in existing markets that are currently characterized by competing formats, such as the market for PCs. We may not be successful in our efforts to include our technology in any such standards.

Changes in or failure to comply with FCC requirements could adversely impact our HD Radio revenue and royalties.

In October 2002, the Federal Communications Commission, or the FCC, selected our “In-Band, On-Channel" (“IBOC”) technology, also known as “HD Radio technology,” as the exclusive technology for introduction of terrestrial digital operations by AM and FM radio stations. In the United States, the FCC regulates the broadcast radio industry, interprets laws enacted by Congress and establishes and enforces regulations governing radio broadcasting. It is unclear what rules and regulations the FCC may adopt regarding digital audio broadcasting and what effect, if any, such rules and regulations will have on our Product Licensing segment, the operations of stations using our HD Radio technology or consumer electronics manufacturers. Any additional rules and regulations imposed on digital audio broadcasting could adversely impact the attractiveness of HD Radio technology and negatively impact our business. Also, non-compliance by us, or by radio stations offering HD Radio broadcasts, with any FCC requirements or conditions could result in fines, additional license conditions, license revocation or other detrimental FCC actions.

Our licensing of industry standard technologies can be subject to limitations that could adversely affect our business and prospects.

When a standards-setting body adopts our technologies as explicit industry standards, we generally must agree to license such technologies on a fair, reasonable and non-discriminatory basis, which we believe means that we treat similarly situated customers similarly. In these situations, we may be required to limit the royalty rates we charge for these technologies, which could adversely affect our business. Furthermore, we may have limited control over whom we license such technologies to and may be unable to restrict many terms of the license. From time to time, we may be subject to claims that our licenses of our industry standard technologies may not conform to the requirements of the standards-setting body. Claimants in such cases could seek to restrict or change our licensing practices or our ability to license our technologies in ways that could harm our reputation and otherwise materially and adversely affect our business, operating results and prospects.

Our financial and operating results may vary, which may cause the price of our common stock to decline.

Our quarterly operating results have fluctuated in the past and are likely to do so in the future. Because our operating results are difficult to predict, one should not rely on quarterly or annual comparisons of our results of operations as an indication of our future performance. Factors that could cause our operating results to fluctuate during any period or that could adversely affect our ability to achieve our strategic objectives include those listed in this “Risk Factors" section of this report and the following:

• the timing of, and compliance with license or service agreements and the terms and conditions for payment to us of license or service fees under these agreements;

• fluctuations in our royalties caused by the pricing terms of certain of our license agreements;

• the amount of our product and service revenue;

• changes in the level of our operating expenses;

• delays in our introduction of new technologies or market acceptance of these new technologies through new license agreements;

• our ability to protect or enforce our intellectual property rights or the terms of our agreements;

• legal proceedings affecting our patents, patent applications or license agreements;

• the timing of the introduction by others of competing technologies;

• changes in demand for semiconductor chips in the specific end markets in which we concentrate;

• changes in demand for camera-enabled devices including cell phones, security systems and personal computers;

• the timing of the conclusion of license agreements;

• the length of time it takes to establish new licensing arrangements;

• meeting the requirements for revenue recognition under generally accepted accounting principles;

• changes in generally accepted accounting principles including new accounting standards which may materially affect our revenue recognition and the comparability between revenue recognition and cash flow from customer royalties; and

• cyclical fluctuations in semiconductor markets generally.

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Due to fluctuations in our operating results, reports from market and security analysts, litigation-related developments, and other factors, the price at which our common stock will trade is likely to continue to be highly volatile. In future periods, if our revenue, royalties, billings, cash flows or operating results are below the estimates or expectations of public market analysts and investors, our stock price could decline.

We may not continue to pay dividends at the same rate we are currently paying them, or at all, and any decrease in or suspension of the dividend could cause our stock price to decline.

We currently pay a quarterly dividend of $0.20 per share. We also have returned capital to shareholders through stock repurchases. We anticipate that all quarterly dividends and stock repurchases will be paid out of cash, cash equivalents and short-term investments. The payment of future cash dividends is subject to the final determination each quarter by our Board of Directors that the dividend remains in our best interests, which determination will be based on a number of factors, including our earnings, financial condition, actual and forecasted cash flows, capital resources and capital requirements, alternative uses of capital, economic condition and other factors considered relevant by management and the Board of Directors. Any decrease in the amount of the dividend, or suspension or discontinuance of payment of a dividend, could cause our stock price to decline.

Our stock repurchase program could increase the volatility of the price of our common stock, and the program may be suspended or terminated at any time, which may cause the trading price of our common stock to decline.

In August 2007, we authorized a plan to repurchase our outstanding shares of common stock dependent on market conditions, share price and other factors. As of March 31, 2018, the total amount available for repurchase under the plan was $127.9 million.

The amount of repurchases under our stock repurchase program will vary. In 2015, we repurchased approximately 3,300,000 shares for an aggregate amount of $119.2 million. In 2016, we repurchased approximately 2,300,000 shares for an aggregate amount of $67.7 million. In 2017, we repurchased approximately 654,000 shares for an aggregate amount of $15.3 million. In the first quarter of 2018, we repurchased approximately 645,000 shares for an aggregate amount of $15.0 million. Additionally, the timing of repurchases is at our discretion and the program may be suspended or discontinued at any time. Any suspension or discontinuation could cause the market price of our stock to decline. The timing of repurchases pursuant to our stock repurchase program could affect our stock price and increase its volatility. There can be no assurance that any stock repurchases will enhance stockholder value because the market price of our common stock may decline below the levels at which we effected repurchases. Furthermore, we may engage in mergers, acquisitions, or other activity that could result in us reducing or discontinuing share repurchases for a period of time. For example, the DTS acquisition resulted in a significant decrease in cash, cash equivalents and short-term investments, as well as the issuance of approximately $600 million in debt. The terms of our current or future debt agreements could limit our ability to repurchase shares. We made no repurchases during the first six months of 2017, and repurchases during the second half of 2017 were below our repurchases in prior years.

Provisions of our certificate of incorporation and bylaws or Delaware law might delay or prevent a change of control transaction and depress the market price of our stock.

Various provisions of our certificate of incorporation and bylaws might have the effect of making it more difficult for a third party to acquire, or discouraging a third party from attempting to acquire, control of our company. These provisions could limit the price that certain investors might be willing to pay in the future for shares of our common stock. Certain of these provisions eliminate cumulative voting in the election of directors, authorize the board to issue “blank check” preferred stock, prohibit stockholder action by written consent, eliminate the right of stockholders to call special meetings, and establish advance notice procedures for director nominations by stockholders and the submission of other proposals for consideration at stockholder meetings. We are also subject to provisions of Delaware law that could delay or make more difficult a merger, tender offer or proxy contest involving our company. In particular, Section 203 of the Delaware General Corporation Law prohibits a Delaware corporation from engaging in any business combination with any interested stockholder for a period of three years unless specific conditions are met. Any of these provisions could have the effect of delaying, deferring or preventing a change in control, including without limitation, discouraging a proxy contest or making more difficult the acquisition of a substantial block of our common stock.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

Items 2(a) and 2(b) are not applicable.

(c) Stock Repurchases

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	Total number of shares purchased	Average price paid per share		Total number of shares purchased as part of our share repurchase program	Approximate dollar value of shares that may yet be purchased under our share repurchase program (a)
(Shares in thousands)
2018
January	—	$	—	—
February	—	—		—
March	645	23.18		645
Total	645	$	23.18	645	$127.9 million

(a) Calculated as of March 31, 2018. In August 2007, our Board of Directors authorized a plan to repurchase our outstanding shares of common stock dependent on market conditions, share price and other factors. No expiration date has been specified for this plan. All repurchases in the three months ended March 31, 2018 were made under this plan.

Item 3. Defaults Upon Senior Securities

Not applicable.

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information

Not applicable.

Item 6. Exhibits

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Exhibit Number	Exhibit Title
3.1	Restated Certificate of Incorporation (filed as Exhibit 3.1 to the Registrant’s Current Report on Form 8-K, filed December 1, 2016, and incorporated herein by reference)
3.2	Certificate of Amendment of the Restated Certificate of Incorporation dated as of February 22, 2017 (filed as Exhibit 3.1 to the Registrant’s Current Report on Form 8-K, filed February 27, 2017, and incorporated herein by reference)
3.3	Amended and Restated Bylaws, dated as of December 1, 2016 (filed as Exhibit 3.2 to the Registrant’s Current Report on Form 8-K, filed December 1, 2016, and incorporated herein by reference)
3.4	Amendment to the Amended and Restated Bylaws, dated as of December 6, 2016 (filed as Exhibit 3.1 to the Registrant’s Current Report on Form 8-K, filed December 7, 2016, and incorporated herein by reference)
3.5	Amendment to the Amended and Restated Bylaws, dated as of April 27, 2017 (filed as Exhibit 3.1 to the Registrant’s Current Report on Form 8-K, filed May 3, 2017, and incorporated herein by reference)
3.6	Amendment to the Amended and Restated Bylaws, dated as of February 1, 2018 (filed as Exhibit 3.1 to the Registrant’s Current Report on Form 8-K, filed February 7, 2018, and incorporated herein by reference)
31.1	Certification of the Chief Executive Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
31.2	Certification of the Chief Financial Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
32.1	Certification of the Chief Executive Officer and Chief Financial Officer pursuant to Rule 13a-14(b) of the Securities Exchange Act of 1934 and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Dated: May 3, 2018

XPERI CORPORATION
By:	/s/    Jon Kirchner
	Jon Kirchner Chief Executive Officer

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EX-31.1

Exhibit 31.1

Certification of the Chief Executive Officer

Pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934

I, Jon Kirchner, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Xperi Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 3, 2018	/s/ Jon Kirchner
	Jon Kirchner
	Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification of the Chief Financial Officer

Pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934

I, Robert Andersen, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Xperi Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	May 3, 2018	/s/ Robert Andersen
		Robert Andersen
		Executive Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

RULE 13a-14(b) OF THE SECURITIES EXCHANGE ACT OF 1934

AND 18 U.S.C. SECTION 1350

In connection with the Quarterly Report of Xperi Corporation, a Delaware corporation (the “Company”), on Form 10-Q for the three months ended March 31, 2018 as filed with the Securities and Exchange Commission (the “Report”), I, Jon Kirchner, Chief Executive Officer, certify, pursuant to Rule 13a-14(b) of the Securities Exchange Act of 1934 and 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Jon Kirchner

Jon Kirchner

Chief Executive Officer

May 3, 2018

CERTIFICATION PURSUANT TO

RULE 13a-14(b) OF THE SECURITIES EXCHANGE ACT OF 1934

AND 18 U.S.C. SECTION 1350

In connection with the Quarterly Report of Xperi Corporation, a Delaware corporation (the “Company”), on Form 10-Q for the three months ended March 31, 2018 as filed with the Securities and Exchange Commission (the “Report”), I, Robert Andersen, Chief Financial Officer of the Company, certify, pursuant to Rule 13a-14(b) of the Securities Exchange Act of 1934 and 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Robert Andersen

Robert Andersen

Executive Vice President and Chief Financial Officer

May 3, 2018

A signed original of this written statement required by Rule 13a-14(b) of the Securities Exchange Act of 1934 and 18 U.S.C. Section 1350 has been provided to the Registrant and will be retained by the Registrant and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2018	Apr. 26, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	XPERI CORPORATION
Trading Symbol	XPER
Entity Central Index Key	0001690666
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		49,030,824

XML

Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net loss	$ (33,017)	$ (11,029)
Adjustments to reconcile net loss to net cash from operating activities:
Depreciation of property and equipment	1,775	1,834
Amortization of intangible assets	27,166	28,554
Stock-based compensation expense	7,408	7,081
Deferred income tax	(6,743)	(37,950)
Amortization of premium or discount on investments and other	1,012	87
Changes in operating assets and liabilities:
Accounts receivable	(7,059)	(7,132)
Unbilled contracts receivable, net	31,123	30,620
Other assets	(770)	6,575
Accounts payable	(609)	(3,292)
Accrued legal fees	(787)	1,499
Accrued and other liabilities	(17,543)	183
Deferred revenue	2,694	1,932
Net cash from operating activities	4,650	18,962
Cash flows from investing activities:
Purchases of property and equipment	(768)	(565)
Purchases of short-term investments	0	(11,493)
Proceeds from sales of short-term investments	8,540	1,035
Proceeds from maturities of short-term investments	7,800	4,650
Net cash from investing activities	15,572	(6,373)
Cash flows from financing activities:
Dividend paid	(9,886)	(9,843)
Repayment of debt	(100,000)	(1,500)
Proceeds from exercise of stock options	829	4,241
Proceeds from employee stock purchase program	3,402	1,155
Repurchase of common stock	(17,861)	(3,251)
Net cash from financing activities	(123,516)	(9,198)
Net increase (decrease) in cash, cash equivalents and restricted cash	(103,294)	3,391
Cash and cash equivalents at beginning of period	138,260	65,626
Cash, cash equivalents and restricted cash at end of period	34,966	69,017
Supplemental disclosure of cash flow information:
Interest paid	5,650	8,100
Income taxes paid, net of refunds	$ 3,963	$ 3,040

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Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 34,966	$ 138,260
Short-term investments	45,824	62,432
Accounts receivable, net	23,107	17,010
Unbilled contracts receivable	204,765	10,866
Other current assets	17,364	16,949
Total current assets	326,026	245,517
Long-term unbilled contracts receivable	71,331	2,930
Property and equipment, net	33,423	34,442
Intangible assets, net	404,623	431,789
Goodwill	385,574	385,574
Other assets	5,383	9,772
Total assets	1,226,360	1,110,024
Current liabilities:
Accounts payable	3,624	4,233
Accrued legal fees	6,696	7,483
Accrued liabilities	30,785	47,969
Current portion of long-term debt	0	34,451
Deferred revenue	4,597	2,686
Total current liabilities	45,702	96,822
Long-term deferred tax liabilities	72,564	15,085
Long-term debt, net	480,330	545,211
Other long-term liabilities	17,403	17,330
Commitments and contingencies (Note 13)
Stockholders’ equity:
Preferred stock: $0.001 par value; 10,000 shares authorized and no shares issued and outstanding	0	0
Common stock: $0.001 par value; 150,000 shares authorized; 61,509 and 60,608 shares issued, respectively, and 49,225 and 49,103 shares outstanding, respectively	61	60
Additional paid-in capital	698,297	686,660
Treasury stock at cost: 12,284 and 11,505 shares of common stock at each period end, respectively	(337,258)	(319,397)
Accumulated other comprehensive loss	(520)	(303)
Retained earnings	249,781	68,556
Total stockholders’ equity	610,361	435,576
Total liabilities and stockholders’ equity	$ 1,226,360	$ 1,110,024

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 680	$ 1,181
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	60,502,000	60,608,000
Common stock, shares outstanding (in shares)	49,283,000	49,103,000
Treasury stock, shares (in shares)	11,219,000	11,505,000

XML

Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenue:
Royalty and license fees	$ 65,532	$ 67,255
Total revenue	65,532	67,255
Operating expenses:
Cost of revenue	2,324	1,400
Research, development and other related costs	26,515	26,012
Selling, general and administrative	34,702	41,205
Amortization expense	27,166	28,555
Litigation expense	7,316	9,978
Total operating expenses	98,023	107,150
Operating loss	(32,491)	(39,895)
Interest expense	(6,318)	(6,459)
Other income and expense, net	3,154	46
Loss before taxes	(35,655)	(46,308)
Benefit from income taxes	(2,638)	(35,279)
Net loss	$ (33,017)	$ (11,029)
Basic and diluted net loss per share:
Basic (in dollars per share)	$ (0.67)	$ (0.22)
Diluted (in dollars per share)	(0.67)	(0.22)
Cash dividends declared per share (in dollars per share)	$ 0.20	$ 0.20
Weighted average number of shares used in per share calculations-basic (in shares)	49,302	49,139
Weighted average number of shares used in per share calculations-diluted (in shares)	49,302	49,139

XML

Condensed Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net loss	$ (33,017)	$ (11,029)
Other comprehensive income (loss):
Net unrealized gains (losses) on available-for-sale securities, net of tax	(217)	38
Other comprehensive income (loss)	(217)	38
Comprehensive loss	$ (33,234)	$ (10,991)

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The Company And Basis Of Presentation

3 Months Ended

Mar. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

The Company And Basis Of Presentation

THE COMPANY AND BASIS OF PRESENTATION

Xperi Corporation (the “Company”) completed the acquisition of DTS, Inc. ("DTS"), a publicly-traded developer of sound-based technologies, in December 2016. At the time of the acquisition, Tessera Technologies, Inc. and DTS were combined under the newly-formed Tessera Holding Corporation. During the first quarter of 2017, the Company introduced its new corporate name, “Xperi Corporation”, stock ticker, “XPER”, and launched a new corporate logo.

Xperi Corporation licenses its innovative products, technologies and inventions to global electronics companies which, in turn, integrate the technologies into their own consumer electronics and semiconductor products. The Company's technologies and inventions are widely adopted and used every day by millions of people. The Company's audio technologies have shipped in billions of devices for the home, mobile and automotive markets. The Company's imaging technologies are embedded in more than 25% of smartphones on the market today. The Company's semiconductor packaging and interconnect technologies have been licensed to more than 100 customers and have shipped in over 100 billion semiconductor chips.

The accompanying interim unaudited condensed consolidated financial statements as of March 31, 2018 and 2017, and for the three months then ended, have been prepared by the Company in accordance with generally accepted accounting principles (“GAAP”) in the United States (“U.S.”) for interim financial information. The amounts as of December 31, 2017 have been derived from the Company’s annual audited financial statements. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted in accordance with such rules and regulations. In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments necessary (consisting of normal recurring adjustments) to state fairly the financial position of the Company and its results of operations and cash flows as of and for the periods presented. These financial statements should be read in conjunction with the annual audited financial statements and notes thereto as of and for the year ended December 31, 2017, included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017, filed on February 23, 2018 (the “Form 10-K”).

The results of operations for the three months ended March 31, 2018 are not necessarily indicative of the results that may be expected for the full year ended December 31, 2018 or any future period and the Company makes no representations related thereto.

Reclassification

Certain reclassifications have been made to prior period balances in order to conform to the current period’s presentation.

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Summary Of Significant Accounting Policies

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Summary Of Significant Accounting Policies

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The Company’s significant accounting policies are detailed in "Note 2 - Summary of Significant Accounting Policies" in its Form 10-K for the year ended December 31, 2017. Significant changes to its accounting policies as a result of adopting Topic 606 are discussed in Note 3 - Revenue.

Recently Adopted Accounting Pronouncements

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments. This ASU addresses the classification of certain specific cash flow issues including debt prepayment or extinguishment costs, settlement of certain debt instruments, contingent consideration payments made after a business combination, proceeds from the settlement of certain insurance claims and distributions received from equity method investees. This ASU is effective for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years, with early adoption permitted. The Company adopted this standard as of January 1, 2018. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

In October 2016, the FASB issued ASU No. 2016-16, "Intra-Entity Transfers of Assets Other Than Inventory." This ASU requires entities to recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. For public entities, this ASU is effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within those annual reporting periods. The Company adopted this standard as of January 1, 2018 on a prospective basis. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

In May 2017, the FASB issued ASU No. 2017-09, Compensation-Stock Compensation (Topic 718) Scope of Modification Accounting. ASU 2017-09 provides guidance about which changes to the terms or conditions of a share-based payment awarded require an entity to apply modification accounting. The standard is effective for interim and annual reporting periods beginning after December 15, 2017, with early adoption permitted. The Company adopted the standard as of January 1, 2018 on a prospective basis. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09 (Topic 606) "Revenue from Contracts with Customers." Topic 606 supersedes the revenue recognition requirements in Topic 605 “Revenue Recognition” (Topic 605), and requires entities to recognize revenue when control of goods or services is transferred to customers at an amount that reflects the consideration the entity expects to be entitled in exchange for the goods or services. Under the prior standard, licensing companies generally reported revenue from per-unit royalty based arrangements one quarter in arrears. Under the new guidance, the Company estimates per-unit royalty-based revenue prior to receiving customer royalty reports. The Company also expects the standard to have a significant impact on the timing of revenue recognition associated with its fixed fee and minimum guarantee arrangements, as a majority of such revenue which had previously been recognized over the license term is expected to be recognized at the inception of the license term. On January 1, 2018, the Company adopted the new standard using the modified retrospective method, under which the Company recorded a $224 million cumulative net of tax adjustment to the opening balance of retained earnings on January 1, 2018. The adjustment was determined by measuring the impact of the new standard on existing contracts that were not completed as of December 31, 2017. Prior period comparative information has not been restated and continues to be reported under Topic 605 in effect for those periods. The Company expects this new standard to have a material impact on its revenue and its consolidated statement of operations and balance sheet on an ongoing basis, with no impact on the timing of customer billings or on cash flows. See “Note 3 - Revenue" for further discussion.

The cumulative effect of the changes made to the Company's condensed consolidated balance sheet for the adoption of Topic 606 was as follows (in thousands):

BALANCE SHEET	Balance at December 31, 2017		Adjustments due to Topic 606			Balance at January 1, 2018
Assets
Unbilled contracts receivable	$	10,866	$	188,760		$	199,626
Other current assets	16,949		(2,000		)	14,949
Long-term unbilled contracts receivable	2,930		105,193			108,123
Other assets	9,772		(3,656		)	6,116
Liabilities
Accrued liabilities	47,969		432			48,401
Deferred revenue	2,686		(783		)	1,903
Long-term deferred tax liabilities	15,085		64,520			79,605
Equity
Retained earnings	68,556		224,128			292,684

The most significant impact from adopting Topic 606 was a substantial increase in unbilled contracts receivable, long-term deferred tax liabilities and retained earnings, which was driven primarily by applying the standard on fixed fee and minimum guarantee contracts that were not completed as of December 31, 2017, and secondarily by recording to retained earnings those royalties from customer shipments completed in the fourth quarter of 2017 and reported to the Company in the first quarter of 2018. The adjustments noted above had no impact on the Company's Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2018.

Adoption of the new revenue standard had the following impact on the Company's condensed consolidated financial statements as compared to the comparable results under the previous accounting standards (in thousands, except per share amounts):

	Three months ended March 31, 2018
STATEMENT OF OPERATIONS	As Reported			Amounts under Topic 605			Effect of Change Higher/(lower)
Royalty and license fees	$	65,532		$	96,160		$	(30,628	)
Cost of revenue	2,324			2,099			225
Operating loss	(32,491		)	(1,638		)	(30,853		)
Other income and expense, net	3,154			1,003			2,151
Loss before taxes	(35,655		)	(6,953		)	(28,702		)
Provision for (benefit from) income taxes	(2,638		)	2,250			(4,888		)
Net loss	(33,017		)	(9,203		)	(23,814		)
Basic/Diluted net loss per share	$	(0.67	)	$	(0.19	)	$	(0.48	)

	As of March 31, 2018
BALANCE SHEET	As Reported		Amounts under Topic 605		Effect of Change Higher/(lower)
Assets
Unbilled contracts receivable	$	204,765	$	10,340	$	194,425
Other current assets	17,364		19,114		(1,750		)
Long-term unbilled contracts receivable	71,331		2,488		68,843
Other assets	5,383		7,571		(2,188		)
Liabilities
Accrued liabilities	30,785		30,687		98
Deferred revenue	4,597		5,636		(1,039		)
Long-term deferred tax liabilities	72,564		12,610		59,954
Equity
Retained earnings	249,781		49,464		200,317

Recent Accounting Pronouncements

In February 2016, the FASB issued ASU No. 2016-02, "Leases" (Topic 842) (ASU 2016-02), which generally requires companies to recognize operating and financing lease liabilities and corresponding right-of-use assets on the balance sheet. This guidance will be effective for the Company in the first quarter of 2019, and early adoption is permitted. The Company will adopt the new standard effective January 1, 2019. While the Company continues to evaluate the effect of adopting this guidance on its consolidated financial statements and related disclosures, it is expected the Company's operating leases, as disclosed in Note 13 - "Commitments and Contingencies," will be subject to the new standard. The Company will recognize right-of-use assets and operating lease liabilities on its consolidated balance sheets upon adoption, which will increase total assets and liabilities, respectively.

In September 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”), which introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. ASU 2016-13 is effective for the Company in the first quarter of the year ending December 31, 2020. The Company is in the process of evaluating the impact of the adoption of this new standard on its consolidated financial statements.

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Revenue

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Revenue

REVENUE

As discussed in Note 2, on January 1, 2018, the Company adopted Topic 606 using the modified retrospective method. Results for reporting periods beginning January 1, 2018 are presented under Topic 606, while prior period amounts are not restated and continue to be reported in accordance with the historic accounting under Topic 605.

Revenue Recognition

The Company derives its revenue primarily from royalty and license fees for rights to use the Company’s intellectual property and technologies (“IP”). Revenue is recognized upon transfer of control of promised products, services or IP rights to customers in an amount that reflects the consideration the Company expects to receive in exchange for those products, services or licensing of the IP rights.

Certain licensees have entered into fixed fee or minimum guarantee arrangements, whereby licensees pay a fixed fee for the right to incorporate the Company's technology in the licensee's products over the license term. In arrangements with a minimum guarantee, the fixed fee component corresponds to a minimum number of units or dollars that the customer must produce or pay, with additional per-unit fees for any units or dollars exceeding the minimum. In most cases, the customer pays the fixed license fee in specified installments over the license term. For these agreements, the Company recognizes the full fixed fee as revenue at the beginning of the license term, when the licensee has the right to use the IP and begins to benefit from the license.

If the contract term of a fixed fee or minimum guarantee arrangement is longer than one year, the Company also considers the scheduled payment arrangements to determine whether a significant financing component exists. In general, if the payment arrangements extend beyond the initial twelve months of the contract, the Company treats a portion of the payments as a significant financing component. When the payments are expected to be received within one year or less, the Company does not adjust the promised amount of consideration for the effects of a financing component. The discount rate used for each arrangement reflects the rate that would be used in a separate financing transaction between the Company and the licensee at contract inception, and takes into account the credit characteristics of the licensee and market interest rates as of the date of the agreement. As such, the amount of fixed fee revenue recognized at the beginning of the license term will be reduced by the calculated financing component. As payments are received from the licensee, the Company recognizes a portion of the financing component as interest income, reported as other income and expense in the Consolidated Statements of Operations.

For certain licensees, royalty revenues are generated based on a licensee's production or shipment of licensed products incorporating the Company’s IP, technologies or software. Licensees with a per-unit arrangement pay a per-unit royalty for each product manufactured or sold, as set forth in its license agreement. Licensees generally report manufacturing or sales information in the quarter subsequent to when the shipment activity takes place. The Company estimates the royalties earned each quarter based on its forecast of manufacturing and sales activity incurred by its licensees in that quarter. Any differences between actual royalties owed by a licensee and the Company’s quarterly estimate are recognized in the following quarter, when the licensee’s royalty report is received. Estimating licensees’ quarterly royalties prior to receiving the royalty reports requires the Company to make significant assumptions and judgments that could have a material impact on the amount of revenue it reports on a quarterly basis.

The Company actively monitors and enforces its IP, including seeking appropriate compensation from customers that have under-reported royalties owed under a license agreement and from third parties that utilize the Company’s intellectual property without a license. As a result of these activities, the Company may, from time to time, recognize revenue from payments resulting from periodic compliance audits of licensees for underreporting royalties incurred in prior periods, as part of a settlement of a patent infringement dispute, or legal judgments from a license dispute. These recoveries and settlements may cause revenue to be higher than expected during a particular reporting period and such recoveries may not occur in subsequent periods. The Company recognizes revenue from recoveries when a binding agreement has been executed and the Company concludes collection under that agreement is likely.

In some instances, the Company may enter into license agreements that contain multiple performance obligations that include engineering services in addition to a technology or software license. For such arrangements where all components are capable of being distinct and accounted for as separate performance obligations, the Company allocates revenue to each performance obligation based on its relative standalone selling price. The Company generally determines standalone selling prices based on the prices ordinarily charged to customers, or in some cases by applying a reasonable cost-plus margin. The consideration for engineering services is recognized as the underlying performance obligations are satisfied. Generally, the Company satisfies performance obligations over time and therefore recognizes revenue over time by measuring the progress toward completion of the performance obligation at each reporting period.

Revenue is recognized gross of withholding taxes that are remitted directly by the Company's licensees directly to a local tax authority.

For additional detail on the Company's revenue disaggregated by geographic location, refer to Note 14 - "Segment and Geographic Information."

Contract Balances

Unbilled Contracts Receivable

Timing of revenue recognition may differ significantly from the timing of invoicing to customers. Accounts receivable, net, include amounts billed and currently due from customers. Unbilled contracts receivable represent unbilled amounts expected to be received from customers in future periods, where the revenue recognized to date (or cumulative adjustments to retained earnings in the initial period of adopting Topic 606) exceeds the amount billed, and right to payment is subject to the underlying contractual terms. Unbilled contracts receivable amounts may not exceed their net realizable value and are classified as long-term assets if the payments are expected to be received more than one year from the reporting date.

Deferred Revenue

Deferred revenue includes payments made by licensees for which the corresponding performance obligations have not yet been fully satisfied by the Company and typically occurs when performance obligations are satisfied over time.

The following table presents additional revenue and contract disclosures (in thousands):

	Three months ended March 31,
	2018		2017
Revenue recognized in the period from:
Amounts included in deferred revenue at the beginning of the period	$	353	$	236
Performance obligations satisfied in previous periods (true ups or settlements)	—		—

Remaining revenue under contracts with performance obligations represents the aggregate amount of the transaction price allocated to the performance obligations that are unsatisfied (or partially unsatisfied) under the Company’s engineering services contracts. The Company's remaining revenue under contracts with performance obligations was as follows (in thousands):

	As of
	March 31, 2018		December 31, 2017
Revenue from contracts with performance obligations expected to be satisfied in:
One year or less	$	4,442	$	2,440
More than one year but less than two years	175		149
More than two years	274		240
Total	$	4,891	$	2,829

Practical Expedients

The Company expenses sales commissions when incurred because the amortization period generally would have been one year or less. In addition, sales commissions have historically not been a significant expense and are not contemplated to be significant in the future. Sales commissions are recorded in selling, general and administrative expenses in the consolidated statement of operations.

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Composition Of Certain Financial Statement Captions

3 Months Ended

Mar. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Composition Of Certain Financial Statement Captions

COMPOSITION OF CERTAIN FINANCIAL STATEMENT CAPTIONS

Other current assets consisted of the following (in thousands):

	March 31, 2018		December 31, 2017
Prepaid income taxes	$	6,609	$	6,713
Prepaid expenses	7,009		6,655
Other	3,746		3,581
	$	17,364	$	16,949

Property and equipment, net consisted of the following (in thousands):

	March 31, 2018			December 31, 2017
Equipment, furniture and other	$	26,735		$	26,029
Building and improvements	18,222			18,222
Land	5,300			5,300
Leasehold improvements	6,437			6,469
	56,694			56,020
Less: accumulated depreciation and amortization	(23,271		)	(21,578		)
	$	33,423		$	34,442

Depreciation and amortization expense for the three months ended March 31, 2018 and 2017 amounted to $1.8 million and $1.8 million, respectively.

Accrued liabilities consisted of the following (in thousands):

	March 31, 2018		December 31, 2017
Employee compensation and benefits	$	21,093	$	37,056
Other	9,692		10,913
	$	30,785	$	47,969

Accumulated other comprehensive loss consisted of the following (in thousands):

	March 31, 2018			December 31, 2017
Unrealized loss on available-for-sale securities, net of tax	$	(520	)	$	(303	)
	$	(520	)	$	(303	)

Other income and expense, net, consisted of the following (in thousands):

	For the three months ended,
	March 31, 2018		March 31, 2017
Interest income from significant financing components under Topic 606	$	2,151	$	—
Interest income from investments	250		213
Other income (losses)	753		(167		)
	$	3,154	$	46

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Financial Instruments

3 Months Ended

Mar. 31, 2018

Investments, Debt and Equity Securities [Abstract]

Financial Instruments

FINANCIAL INSTRUMENTS

The following is a summary of marketable securities at March 31, 2018 and December 31, 2017 (in thousands):

	March 31, 2018
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Values
Available-for-sale securities
Corporate bonds and notes	$	37,945	$	—	$	(441	)	$	37,504
Commercial paper	2,399		—		—			2,399
Treasury and agency notes and bills	6,000		—		(79		)	5,921
Money market funds	2,124		—		—			2,124
Total available-for-sale securities	$	48,468	$	—	$	(520	)	$	47,948
Reported in:
Cash and cash equivalents								$	2,124
Short-term investments								45,824
Total marketable securities								$	47,948

	December 31, 2017
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Values
Available-for-sale securities
Corporate bonds and notes	$	45,803	$	—	$	(230	)	$	45,573
Commercial paper	2,392		—		(2		)	2,390
Treasury and agency notes and bills	6,000		—		(71		)	5,929
Certificates of deposit	8,540		—		—			8,540
Money market funds	40,413		—		—			40,413
Total available-for-sale securities	$	103,148	$	—	$	(303	)	$	102,845
Reported in:
Cash and cash equivalents								$	40,413
Short-term investments								62,432
Total marketable securities								$	102,845

At March 31, 2018 and December 31, 2017, the Company had $80.8 million and $200.7 million, respectively, in cash, cash equivalents and short-term investments. These balances include $32.8 million and $97.8 million in cash held in operating accounts not included in the tables above at March 31, 2018 and December 31, 2017, respectively.

The gross realized gains and losses on sales of marketable securities were not significant during the three months ended March 31, 2018 and 2017.

Unrealized losses were $0.5 million and $0.3 million, net of tax, as of March 31, 2018 and December 31, 2017, respectively. These amounts were related to temporary fluctuations in value of the remaining available-for-sale securities and were due primarily to changes in interest rates and market and credit conditions of the underlying securities. Certain investments with a temporary decline in value are not considered to be other-than-temporarily impaired as of March 31, 2018 because the Company has the intent and ability to hold these investments to allow for recovery, does not anticipate having to sell these securities with unrealized losses and continues to receive interest at the maximum contractual rate. For the three months ended March 31, 2018 and 2017, respectively, the Company did not record any impairment charges related to its marketable securities.

The following table summarizes the fair value and gross unrealized losses related to individual available-for-sale securities at March 31, 2018 and December 31, 2017, which have been in a continuous unrealized loss position, aggregated by investment category and length of time (in thousands):

March 31, 2018	Less Than 12 Months					12 Months or More					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Corporate bonds and notes	$	30,557	$	(401	)	$	6,947	$	(40	)	$	37,504	$	(441	)
Treasury and agency notes and bills	—		—			5,921		(79		)	5,921		(79		)
Total	$	30,557	$	(401	)	$	12,868	$	(119	)	$	43,425	$	(520	)

December 31, 2017	Less Than 12 Months					12 Months or More					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Corporate bonds and notes	$	30,811	$	(189	)	$	14,762	$	(41	)	$	45,573	$	(230	)
Commercial paper	2,390		(2		)	—		—			2,390		(2		)
Treasury and agency notes and bills	—		—			5,929		(71		)	5,929		(71		)
Total	$	33,201	$	(191	)	$	20,691	$	(112	)	$	53,892	$	(303	)

The estimated fair value of marketable securities by contractual maturity at March 31, 2018 is shown below (in thousands). Actual maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations without call or prepayment penalties.

	Estimated Fair Value
Due in one year or less	$	19,224
Due in one to two years	19,070
Due in two to three years	9,654
Total	$	47,948

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Fair Value

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Fair Value

FAIR VALUE

The Company follows the authoritative guidance for fair value measurement and the fair value option for financial assets and financial liabilities. Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability, or an exit price, in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. The established fair value hierarchy requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. There are three levels of inputs that may be used to measure fair value:

Level 1	Quoted prices in active markets for identical assets.
Level 2	Observable market-based inputs or unobservable inputs that are corroborated by market data.
Level 3	Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets. Level 3 assets and liabilities include financial instruments whose value is determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.

When applying fair value principles in the valuation of assets, the Company is required to maximize the use of quoted market prices and minimize the use of unobservable inputs. The Company calculates the fair value of its Level 1 and Level 2 instruments based on the exchange traded price of similar or identical instruments, where available, or based on other observable inputs. There were no significant transfers into or out of Level 1 or Level 2 that occurred between December 31, 2017 and March 31, 2018.

The following is a list of the Company’s assets required to be measured at fair value on a recurring basis and where they were classified within the hierarchy as of March 31, 2018 (in thousands):

	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Marketable securities
Money market funds (1)	$	2,124	$	2,124	$	—	$	—
Corporate bonds and notes (2)	37,504		—		37,504		—
Treasury and agency notes and bills (2)	5,921		—		5,921		—
Commercial paper (2)	2,399		—		2,399		—
Total Assets	$	47,948	$	2,124	$	45,824	$	—

The following footnotes indicate where the noted items were recorded in the Condensed Consolidated Balance Sheet at March 31, 2018:

(1) Reported as cash and cash equivalents.

(2) Reported as short-term investments.

The following is a list of the Company’s assets required to be measured at fair value on a recurring basis and where they were classified within the hierarchy as of December 31, 2017 (in thousands):

	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level  1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Marketable securities
Money market funds (1)	$	40,413	$	40,413	$	—	$	—
Certificates of deposit (2)	8,540		—		8,540		—
Corporate bonds and notes (2)	45,573		—		45,573		—
Treasury and agency notes and bills (2)	5,929		—		5,929		—
Commercial paper (2)	2,390		—		2,390		—
Total Assets	$	102,845	$	40,413	$	62,432	$	—

The following footnotes indicate where the noted items were recorded in the Consolidated Balance Sheet at December 31, 2017:

(1) Reported as cash and cash equivalents.

(2) Reported as short-term investments.

The Company also has outstanding debt at March 31, 2018 and December 31, 2017 that is considered a level 2 liability and is measured at fair value on a recurring basis. See “Note 8 - Debt” for additional information. At March 31, 2018 and December 31, 2017, the fair value of the Company's debt was not materially different than the outstanding principal amount.

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Goodwill And Identified Intangible Assets

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill And Identified Intangible Assets

GOODWILL AND IDENTIFIED INTANGIBLE ASSETS

The Company's reporting units include the Product Licensing segment and the Semiconductor and IP Licensing segment. Of the carrying value of goodwill, approximately $377.9 million was allocated to the Product Licensing segment and approximately $7.7 million was allocated to the Semiconductor and IP Licensing segment as of March 31, 2018 and December 31, 2017, respectively.

Identified intangible assets consisted of the following (in thousands):

		March 31, 2018							December 31, 2017
	Average Life (Years)	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
Acquired patents / core technology	3-15	$	142,584	$	(117,314	)	$	25,270	$	142,584	$	(113,349	)	$	29,235
Existing technology	5-10	204,394		(70,085		)	134,309		204,394		(61,518		)	142,876
Customer contracts and related relationships	3-9	291,769		(81,658		)	210,111		291,769		(68,267		)	223,502
Trademarks/trade name	4-10	40,083		(7,354		)	32,729		40,083		(6,111		)	33,972
Non-competition agreements	1	2,231		(2,231		)	—		2,231		(2,231		)	—
Total amortizable intangible assets		681,061		(278,642		)	402,419		681,061		(251,476		)	429,585
In-process research and development		2,204		—			2,204		2,204		—			2,204
Total intangible assets		$	683,265	$	(278,642	)	$	404,623	$	683,265	$	(251,476	)	$	431,789

Amortization expense for the three months ended March 31, 2018 and 2017 amounted to $27.2 million and $28.6 million, respectively.

As of March 31, 2018, the estimated future amortization expense of total (amortizable) intangible assets was as follows (in thousands):

2018 (remaining 9 months)	$	80,775
2019	98,855
2020	87,140
2021	79,478
2022	31,173
Thereafter	24,998
	$	402,419

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Debt

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Debt

DEBT

On December 1, 2016, in connection with the consummation of the acquisition of DTS, the Company entered into a Credit Agreement (the “Credit Agreement”) by and among the Company, Royal Bank of Canada, as administrative agent and collateral agent, and the lenders party thereto. The Credit Agreement provided for a $600 millionseven-year term B loan facility (the “Term B Loan Facility”) which matures on November 30, 2023. Upon the closing of the Credit Agreement, the Company borrowed $600 million under the Term B Loan facility. Net proceeds were used on December 1, 2016, together with cash and cash equivalents, to finance the acquisition of DTS.

On January 23, 2018, the Company and the loan parties entered into an amendment to the Credit Agreement (the “Amendment”). In connection with the Amendment, the Company made a voluntary prepayment of $100.0 million of the term loan outstanding under the Credit Agreement using cash on hand. The Amendment provided for, among other things, (i) a replacement of the outstanding initial term loan with the new tranche term B-1 loan (the “Amended Term B Loan”) in a principal amount of $494.0 million, (ii) a reduction of the interest rate margin applicable to such loan to (x) in the case of Eurodollar loans, 2.50% per annum and (y) in the case of base rate loans, 1.50% per annum, (iii) a prepayment premium of 1.00% in connection with any repricing transaction with respect to the Amended Term B Loan within six months of the closing date of the Amendment, and (iv) certain amendments to provide the Company with additional flexibility under the covenant governing restricted payments.

The Company’s obligations under the Credit Agreement, as amended by the Amendment, continue to be guaranteed by substantially all of the Company’s subsidiaries, and secured by substantially all of the assets of the Company and its subsidiaries. The Credit Agreement contains customary events of default, upon the occurrence of which, after any applicable grace period, the lenders will have the ability to accelerate all outstanding loans thereunder. The Credit Agreement contains customary representations and warranties and affirmative and negative covenants that, among other things, restrict the ability of the Company to create or incur certain liens, incur or guarantee additional indebtedness, merge or consolidate with other companies, transfer or sell assets and make restricted payments. The Company was in compliance with all requirements during the three months ended March 31, 2018.

All lenders of the Term B Loan Facility participated in the Amendment and the changes in terms were not considered substantial. Accordingly, the repricing event was accounted for as a debt modification. In connection with the repricing, the Company incurred and expensed $1.1 million in third party costs, which were recorded in selling, general and administrative expense in the Condensed Consolidated Statement of Operations, in the first quarter of 2018. In addition, the Company elected to continue to defer the unamortized debt issuance costs related to the partial pay-down of the debt as the prepayment was factored into the terms agreed to on the debt.

At March 31, 2018, $494 million was outstanding with an interest rate, including the amortization of debt issuance costs, of 5.1%. Interest is payable monthly. There were also $13.7 million of unamortized debt issuance costs recorded as a reduction of the long-term portion of the debt. Interest expense was $6.3 million and $6.5 million for the three months ended March 31, 2018 and 2017, respectively. Amortized debt issuance costs, which were included in the interest expense, amounted to $0.7 million and $0.6 million for the three months ended March 31, 2018 and 2017, respectively. Other than the voluntary prepayment of $100 million in January 2018, there were no other debt principal payments in the first quarter of 2018 as the prepayment exceeded the minimum principal payment requirements. During the three months ended March 31, 2017, there was a debt principal payment of $1.5 million.

As of March 31, 2018, future minimum principal payments for long-term debt are summarized as follows (in thousands):

2018 (remaining 9 months)	$	—
2019	—
2020	—
2021	—
2022	—
Thereafter	494,000
Total	$	494,000

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Net Loss Per Share

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Net Loss Per Share

NET LOSS PER SHARE

The Company has a share-based compensation plan under which employees may be granted share-based awards including shares of restricted stock and restricted stock units ("RSUs"). Non-forfeitable dividends are paid on unvested shares of restricted stock. No dividends are accrued or paid on unvested RSUs. As such, shares of restricted stock are considered participating securities under the two-class method of calculating earnings per share. The two-class method of calculating earnings per share did not have a material impact on the Company’s loss per share calculation for the three months ended March 31, 2018 and 2017.

The following table sets forth the computation of basic and diluted shares (in thousands):

	Three Months Ended
	March 31, 2018	March 31, 2017
Denominator:
Weighted average common shares outstanding	49,302	49,144
Less: shares of restricted stock subject to repurchase	—	(5	)
Total common shares-basic	49,302	49,139
Effect of dilutive securities:
Options	—	—
Restricted stock awards and units	—	—
Total common shares-diluted	49,302	49,139

Basic net income (loss) per share is computed using the weighted average number of common shares outstanding during the period, excluding any unvested restricted stock awards that are subject to repurchase. Diluted net income (loss) per share is computed using the treasury stock method to calculate the weighted average number of common shares and, if dilutive, potential common shares outstanding during the period. Potential dilutive common shares include unvested restricted stock awards and units and incremental common shares issuable upon the exercise of stock options, less shares from assumed proceeds. The assumed proceeds calculation includes actual proceeds to be received from the employee upon exercise and the average unrecognized stock compensation cost during the period.

For the three months ended March 31, 2018 and 2017, there was no difference in the weighted average number of common shares used for the calculation of basic and diluted loss per share as the effect of all potentially dilutive shares outstanding was anti-dilutive. A total of 3.1 million shares subject to stock options and restricted stock awards and units were excluded from the computation of diluted net loss per share for the three months ended March 31, 2018 because including them would have been anti-dilutive. For the three months ended March 31, 2017, in the calculation of net loss per share, 0.7 million shares subject to stock options and restricted stock awards and units were excluded from the computation of diluted net income per share as they were anti-dilutive.

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Stockholders' Equity

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stockholders' Equity

STOCKHOLDERS’ EQUITY

Stock Repurchase Programs

In August 2007, the Company’s Board of Directors (“the Board”) authorized a plan to repurchase the Company’s outstanding shares of common stock dependent on market conditions, share price and other factors. As of March 31, 2018, the Company has repurchased a total of approximately 11,787,000 shares of common stock, since inception of the plan, at an average price of $27.33 per share for a total cost of $322.1 million. As of December 31, 2017, the Company had repurchased a total of approximately 11,142,000 shares of common stock, since inception of the plan, at an average price of $27.57 per share for a total cost of $307.2 million. The shares repurchased are recorded as treasury stock and are accounted for under the cost method. No expiration date has been specified for this plan. As of March 31, 2018, the total remaining amount available for repurchase was $127.9 million. The Company plans to continue to execute authorized repurchases from time to time under the plan.

Stock Option Plans

The 2003 Plan

As of March 31, 2018, there were approximately 0.1 million shares reserved for future grant under the Company’s 2003 Equity Incentive Plan (the “2003 Plan”). At the 2018 annual stockholders meeting held on April 27, 2018, shareholders approved an amendment to the 2003 Plan reserving an additional 3.9 million shares for future issuance.

A summary of the stock option activity is presented below (in thousands, except per share amounts):

	Options Outstanding
	Number of Shares Subject to Options		Weighted Average Exercise Price Per Share
Balance at December 31, 2017	1,172		$24.06
Options granted	—		—
Options exercised	(45	)	$18.23
Options canceled / forfeited / expired	(35	)	$34.58
Balance at March 31, 2018	1,092		$23.97

Restricted Stock Awards and Units

Information with respect to outstanding restricted stock awards and units as of March 31, 2018 is as follows (in thousands, except per share amounts):

	Restricted Stock and Restricted Stock Units
	Number of Shares Subject to Time- based Vesting		Number of Shares Subject to Performance- based Vesting		Total Number of Shares		Weighted Average Grant Date Fair Value Per Share
Balance at December 31, 2017	2,014		1,119		3,133		$	33.35
Awards and units granted	683		—		683		$	22.37
Awards and units vested / earned	(506	)	(171	)	(677	)	$	35.62
Awards and units canceled / forfeited	(74	)	(227	)	(301	)	$	29.03
Balance at March 31, 2018	2,117		721		2,838		$	30.63

Performance Awards and Units

Performance awards and units may be granted to employees or consultants based upon, among other things, the contributions, responsibilities and other compensation of the particular employee or consultant. The value and the vesting of such performance awards and units are generally linked to one or more performance goals or other specific performance goals determined by the Company, in each case on a specified date or dates or over any period or periods determined by the Company, and range from zero to 100 percent of the grant.

Employee Stock Purchase Plans

As of March 31, 2018, there were approximately 265,000 shares reserved for grant under the Company’s 2003 Employee Stock Purchase Plan (the “ESPP”) and the International Employee Stock Purchase Plan (the “International ESPP”), collectively. At the 2018 annual stockholders meeting on April 27, 2018, shareholders approved an amendment to the ESPP adding an additional 1.0 million shares to the share reserve.

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Stock-Based Compensation Expense

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-Based Compensation Expense

STOCK-BASED COMPENSATION EXPENSE

The effect of recording stock-based compensation expense for the three months ended March 31, 2018 and 2017 is as follows (in thousands):

	Three Months Ended
	March 31, 2018			March 31, 2017
Research, development and other related costs	$	3,094		$	2,870
Selling, general and administrative	4,314			4,211
Total stock-based compensation expense	7,408			7,081
Tax effect on stock-based compensation expense	(1,256		)	(2,019		)
Net effect on net income (loss)	$	6,152		$	5,062

Stock-based compensation expense categorized by various equity components for the three months ended March 31, 2018 and 2017 is summarized in the table below (in thousands):

	Three Months Ended
	March 31, 2018		March 31, 2017
Employee stock options	$	177	$	645
Restricted stock awards and units	6,432		6,006
Employee stock purchase plan	799		430
Total stock-based compensation expense	$	7,408	$	7,081

There were no options granted in the three months ended March 31, 2018 and 2017.

ESPP grants occur in February and August. The following assumptions were used to value the ESPP shares for these grants:

	February 2018		February 2017
Expected life (years)	2.0		2.0
Risk-free interest rate	2.2	%	1.2	%
Dividend yield	3.6	%	2.0	%
Expected volatility	39.4	%	28.3	%

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Income Taxes

3 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Income Taxes

INCOME TAXES

For the three months ended March 31, 2018, the Company recorded an income tax benefit of $2.6 million on a pre-tax loss of $35.7 million which resulted in an effective tax rate of 7.4%. The effective tax rate was primarily related to tax benefit from losses and credits generated from operations offset by foreign withholding taxes, certain book-to-tax permanent differences, valuation allowance recorded against the Company’s unutilized tax credits generated in the current year, and shortfalls from stock-based compensation. For the three months ended March 31, 2017, the Company recorded an income tax benefit of $35.3 million on a pre-tax loss of $46.3 million which resulted in an effective tax rate of 76.2%. The effective tax rate was primarily related to losses in foreign operations, as the Company’s tax rates on those operations were generally lower than the U.S. statutory rate. The Company's provision for income taxes is based on its worldwide estimated annualized effective tax rate, except for jurisdictions for which a loss is expected for the year and no benefit can be realized for those losses, and the tax effect of discrete items occurring during the period. The tax for jurisdictions for which a loss is expected and no benefit can be realized for the year is based on actual taxes and tax reserves for the quarter. The income tax benefit for the three months ended March 31, 2018 as compared to the income tax benefit during the same period in the prior year is largely attributable to valuation allowance recorded against the Company’s tax credits and the reduction in year-to-date losses.

As of March 31, 2018, unrecognized tax benefits were $33.8 million (which is included in long-term deferred tax and other liabilities on the Condensed Consolidated Balance Sheet), of which $22.2 million would affect the effective tax rate if recognized. As of March 31, 2017, unrecognized tax benefits were $30.1 million (which was included in long-term deferred tax and other liabilities on the Condensed Consolidated Balance Sheet), of which $23.8 million would affect the effective tax rate if recognized. The Company is unable to reasonably estimate the timing of the long-term payments or the amount by which the liability will increase or decrease.

It is the Company's policy to classify accrued interest and penalties related to unrecognized tax benefits in the provision for income taxes. For the three months ended March 31, 2018 and March 31, 2017, the Company recognized an insignificant amount of interest and penalties related to unrecognized tax benefits. Accrued interest and penalties were $0.7 million and $0.6 million as of March 31, 2018 and December 31, 2017, respectively.

At March 31, 2018, the Company's 2013 through 2017 tax years were open and subject to potential examination in one or more jurisdictions. In addition, in the U.S., any net operating losses or credits that were generated in prior years but not yet fully utilized in a year that is closed under the statute of limitations may also be subject to examination. The Company is currently under examination by the Internal Revenue Service for tax year 2014 and cannot estimate the financial outcome of the examination. The Company is not currently under foreign income tax examination.

On December 22, 2017, the Tax Cut and Jobs Act (“Tax Act”) was signed into law. The Tax Act introduced a broad range of tax reform measures that significantly change the federal income tax laws. As of December 31, 2017, the Company recorded a provisional tax expense in the Statement of Operations of approximately $5.6 million, comprised of approximately $13.5 million tax expense from recording additional valuation allowance against federal tax credits due to certain provisions of the Tax Act, offset by approximately $7.9 million of tax benefit from the remeasurement of U.S. deferred taxes using the relevant tax rate at which the Company expects them to reverse in the future. The estimated one-time transition tax on post-1986 foreign unremitted earnings is not anticipated to have a material impact to the Company's effective tax rate. As of March 31, 2018, the Company has not recorded any adjustments to the provisional tax expense. The Company continues to monitor supplemental legislation and technical interpretations of the tax law that may cause the final impact from the Tax Act to differ from the provisionally recorded amounts. The Company expects to complete its analysis within the measurement period allowed by Staff Accounting Bulletin (“SAB”) No.118, no later than the fourth quarter of 2018.

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Commitments And Contingencies

3 Months Ended

Mar. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments And Contingencies

COMMITMENTS AND CONTINGENCIES

Lease Commitments

The Company leases office and research facilities and office equipment under operating leases which expire at various dates through 2029. Under lease agreements that contain escalating rent provisions, lease expense is recorded on a straight-line basis over the lease term. There were no material changes to our future minimum lease payments during the three months ended March 31, 2018. Rent expense for the three months ended March 31, 2018 and 2017 amounted to $1.8 million and $1.5 million, respectively.

Contingencies

At each reporting period, the Company evaluates whether or not a potential loss amount or a potential range of loss is probable and reasonably estimable under the provisions of the authoritative guidance that addresses accounting for contingencies. The Company is currently unable to predict the final outcome of lawsuits to which it is a party and therefore cannot determine the likelihood of loss nor estimate a range of possible loss. An adverse decision in any of these proceedings could significantly harm the Company’s business and consolidated financial position, results of operations or cash flows.

Tessera, Inc. v. Toshiba Corporation, Civil Action No. 5:15-cv-02543-BLF (N.D. Cal.)

On May 12, 2015, Tessera, Inc. filed a complaint against Toshiba Corporation (“Toshiba”) in California Superior Court. Tessera, Inc.’s complaint alleges causes of action for breach of contract, breach of the implied covenant of good faith and fair dealing, and declaratory relief, generally alleging that Toshiba underpaid royalties and failed to cooperate with audits conducted pursuant to the parties’ license agreement.

On June 8, 2015, Toshiba removed the action to the U.S. District Court for the Northern District of California. On June 18, 2015, Toshiba filed its answer, affirmative defenses, and counterclaims to Tessera, Inc.’s complaint. Toshiba alleges counterclaims for declaratory judgment and breach of the implied warranty of good faith and fair dealing. The counterclaims seek, among other things, judicial determinations about the interpretation of the parties’ agreement, termination of the agreement, an accounting of the amount of alleged overpayments by Toshiba, restitution, and damages. On July 10, 2015, Tessera, Inc. filed its answer and affirmative defenses to Toshiba’s counterclaims. On March 17, 2016, Tessera, Inc. filed an amended complaint adding a claim for declaratory relief regarding a February 12, 2016 letter sent by Toshiba to Tessera, Inc. purporting to terminate the parties’ license agreement. On March 18, 2016, Toshiba filed its amended answer, affirmative defenses, and counterclaims. On April 4, 2016, Tessera, Inc. filed an answer to Toshiba’s amended counterclaims.

An initial summary judgment hearing on contract issues took place on September 22, 2016. On November 7, 2016, the Court entered an order granting Toshiba’s motion regarding the definition of “TCC,” and denying summary judgment on the other issues raised by the parties’ cross-motions. On December 6, 2016, Tessera, Inc. filed a motion pursuant to Federal Rule of Civil Procedure 54(b) seeking authorization to appeal the order and for a stay. On March 6, 2017, the Court granted the Rule 54(b) motion. The Court subsequently vacated the trial date and stayed the remainder of the district court proceedings.

On April 4, 2017, Tessera, Inc. filed a notice of appeal to the U.S. Court of Appeals for the Ninth Circuit. The parties completed briefing on November 2, 2017. A hearing for oral argument has not yet been scheduled.

Other Litigation Matters

The Company and its subsidiaries are involved in litigation matters and claims in the normal course of business. In the past, the Company and its subsidiaries have litigated to enforce their respective patents and other intellectual property rights, to enforce the terms of license agreements, to protect trade secrets, to determine the validity and scope of the proprietary rights of others and to defend itself or its customers against claims of infringement or invalidity. The Company expects it or its subsidiaries will be involved in similar legal proceedings in the future, including proceedings regarding infringement of its patents, and proceedings to ensure proper and full payment of royalties by licensees under the terms of its license agreements.

The existing and any future legal actions may harm the Company’s business. For example, legal actions could cause an existing licensee or strategic partner to cease making royalty or other payments to the Company, or to challenge the validity and enforceability of patents owned by the Company’s subsidiaries or the scope of license agreements with the Company’s subsidiaries, and could significantly damage the Company’s relationship with such licensee or strategic partner and, as a result, prevent the adoption of the Company’s other technologies by such licensee or strategic partner. Litigation could also severely disrupt or shut down the business operations of licensees or strategic partners of the Company’s subsidiaries, which in turn would significantly harm ongoing relations with them and cause the Company to lose royalty revenue.

The costs associated with legal proceedings are typically high, relatively unpredictable, and not completely within the Company’s control. These costs may be materially higher than expected, which could adversely affect the Company’s operating results and lead to volatility in the price of its common stock. Whether or not determined in the Company’s favor or ultimately settled, litigation diverts managerial, technical, legal, and financial resources from the Company’s business operations. Furthermore, an adverse decision in any of these legal actions could result in a loss of the Company’s proprietary rights, subject the Company to significant liabilities, require the Company to seek licenses from others, limit the value of the Company’s licensed technology or otherwise negatively impact the Company’s stock price or its business and consolidated financial position, results of operations or cash flows.

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Segment And Geographic Information

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Segment And Geographic Information

SEGMENT AND GEOGRAPHIC INFORMATION

The Company reports its financial results within two reportable segments: (1) Product Licensing and (2) Semiconductor and IP Licensing. There are certain corporate overhead costs that are not allocated to these reportable segments because these operating amounts are not considered in evaluating the operating performance of the Company’s business segments.

The Chief Executive Officer is also the Chief Operating Decision Maker (“CODM”) as defined by the authoritative guidance on segment reporting.

The Product Licensing segment, including the Company's DTS and FotoNation subsidiaries, licenses its technologies and intellectual property related to audio, digital radio and imaging solutions under the brands DTS, HD Radio and FotoNation. The Product Licensing solutions typically include the delivery of software or hardware-based solutions, combined with various other intellectual property, including know how, patents, trademarks, and copyrights. Product Licensing represents revenue derived primarily from the consumer electronics market and related applications servicing the home, automotive and mobile markets.

The Semiconductor and IP Licensing segment develops and licenses semiconductor technologies and IP to manufacturers, foundries, subcontract assemblers and others. The segment includes revenue generated from the technology and IP portfolios of Tessera, Inc., Invensas and Invensas Bonding Technologies, Inc. (formally Ziptronix, Inc.). Tessera, Inc. pioneered chip-scale packaging solutions. Invensas develops advanced semiconductor packaging and 3D interconnect solutions, including wafer bonding solutions, for applications such as smartphones, tablets, laptops, PCs, data centers and automobiles. The Company expands its technology and IP offerings in this segment through a combination of internal R&D and acquisitions. The Company also provides engineering services to customers in the form of technology demonstrations and technology transfers to assist their evaluation and adoption of the Company's technologies. Through the Company’s technology transfer service, the Company provides detailed documentation outlining design guidelines, process specifications, recommended equipment and process parameters as well as hands-on engineering support to assist its licensees in bringing up and qualifying its technologies at their facilities. This service allows licensees to readily leverage the Company’s years of experience and expertise in direct and hybrid bonding.

The Company does not identify or allocate assets by reportable segment, nor does the CODM evaluate reportable segments using discrete asset information. Reportable segments do not record inter-segment revenue and accordingly there are none to report. The Company does not allocate other income and expense to reportable segments. Although the CODM uses operating income to evaluate reportable segments, operating costs included in one segment may benefit other segments.

The following table sets forth the Company’s segment revenue, operating expenses and operating income (loss) for the three months ended March 31, 2018 and 2017 (in thousands):

	Three Months Ended,
	March 31, 2018			March 31, 2017
Revenue:
Product licensing segment	$	53,216		$	27,701
Semiconductor and IP licensing segment	12,316			39,554
Total revenue	65,532			67,255
Operating expenses:
Product licensing segment	43,891			43,182
Semiconductor and IP licensing segment	19,430			22,763
Unallocated operating expenses (1)	34,702			41,205
Total operating expenses	98,023			107,150
Operating income (loss):
Product licensing segment	9,325			(15,481		)
Semiconductor and IP licensing segment	(7,114		)	16,791
Unallocated operating expenses (1)	(34,702		)	(41,205		)
Total operating loss	$	(32,491	)	$	(39,895	)

(1) Unallocated operating expenses consist primarily of general and administrative expenses, such as administration, human resources, finance, information technology, corporation development and procurement. These expenses are not allocated because these amounts are not considered in evaluating the operating performance of the Company’s business segments.

A significant portion of the Company’s revenue is derived from licensees headquartered outside of the U.S., principally in Asia, and it is expected that this revenue will continue to account for a significant portion of total revenue in future periods. The table below lists the geographic revenue for the periods indicated (in thousands):

	Three Months Ended,
	March 31, 2018				March 31, 2017
Japan	$	19,345	30	%	$	13,891	21	%
Korea	14,428		22		6,887		10
China	14,145		21		3,055		4
U.S.	11,628		18		33,405		50
Taiwan	531		1		7,991		12
Other	5,455		8		2,026		3
	$	65,532	100	%	$	67,255	100	%

For the three months ended March 31, 2018 and 2017, there were one and two customers, respectively, that each accounted for 10% or more of total revenue. As of March 31, 2018 and December 31, 2017, there were one and three customers that each accounted for 10% or more of total accounts receivable, respectively.

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Subsequent Events

3 Months Ended

Mar. 31, 2018

Subsequent Events [Abstract]

Subsequent Events

SUBSEQUENT EVENTS

On April 26, 2018, the Board declared a cash dividend of $0.20 per share of common stock, payable on June 14, 2018 for the stockholders of record at the close of business on May 24, 2018.

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Summary Of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Basis of Accounting

The accompanying interim unaudited condensed consolidated financial statements as of March 31, 2018 and 2017, and for the three months then ended, have been prepared by the Company in accordance with generally accepted accounting principles (“GAAP”) in the United States (“U.S.”) for interim financial information. The amounts as of December 31, 2017 have been derived from the Company’s annual audited financial statements. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted in accordance with such rules and regulations. In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments necessary (consisting of normal recurring adjustments) to state fairly the financial position of the Company and its results of operations and cash flows as of and for the periods presented. These financial statements should be read in conjunction with the annual audited financial statements and notes thereto as of and for the year ended December 31, 2017, included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017, filed on February 23, 2018 (the “Form 10-K”).

Reclassification

Reclassification

Certain reclassifications have been made to prior period balances in order to conform to the current period’s presentation.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

In February 2016, the FASB issued ASU No. 2016-02, "Leases" (Topic 842) (ASU 2016-02), which generally requires companies to recognize operating and financing lease liabilities and corresponding right-of-use assets on the balance sheet. This guidance will be effective for the Company in the first quarter of 2019, and early adoption is permitted. The Company will adopt the new standard effective January 1, 2019. While the Company continues to evaluate the effect of adopting this guidance on its consolidated financial statements and related disclosures, it is expected the Company's operating leases, as disclosed in Note 13 - "Commitments and Contingencies," will be subject to the new standard. The Company will recognize right-of-use assets and operating lease liabilities on its consolidated balance sheets upon adoption, which will increase total assets and liabilities, respectively.

In September 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”), which introduces an approach based on expected losses to estimate credit losses on certain types of financial instruments. It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. ASU 2016-13 is effective for the Company in the first quarter of the year ending December 31, 2020. The Company is in the process of evaluating the impact of the adoption of this new standard on its consolidated financial statements.

Recently Adopted Accounting Pronouncements

In August 2016, the FASB issued ASU No. 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments. This ASU addresses the classification of certain specific cash flow issues including debt prepayment or extinguishment costs, settlement of certain debt instruments, contingent consideration payments made after a business combination, proceeds from the settlement of certain insurance claims and distributions received from equity method investees. This ASU is effective for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years, with early adoption permitted. The Company adopted this standard as of January 1, 2018. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

In October 2016, the FASB issued ASU No. 2016-16, "Intra-Entity Transfers of Assets Other Than Inventory." This ASU requires entities to recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. For public entities, this ASU is effective for annual reporting periods beginning after December 15, 2017, including interim reporting periods within those annual reporting periods. The Company adopted this standard as of January 1, 2018 on a prospective basis. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

In May 2017, the FASB issued ASU No. 2017-09, Compensation-Stock Compensation (Topic 718) Scope of Modification Accounting. ASU 2017-09 provides guidance about which changes to the terms or conditions of a share-based payment awarded require an entity to apply modification accounting. The standard is effective for interim and annual reporting periods beginning after December 15, 2017, with early adoption permitted. The Company adopted the standard as of January 1, 2018 on a prospective basis. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

In May 2014, the FASB issued ASU No. 2014-09 (Topic 606) "Revenue from Contracts with Customers." Topic 606 supersedes the revenue recognition requirements in Topic 605 “Revenue Recognition” (Topic 605), and requires entities to recognize revenue when control of goods or services is transferred to customers at an amount that reflects the consideration the entity expects to be entitled in exchange for the goods or services. Under the prior standard, licensing companies generally reported revenue from per-unit royalty based arrangements one quarter in arrears. Under the new guidance, the Company estimates per-unit royalty-based revenue prior to receiving customer royalty reports. The Company also expects the standard to have a significant impact on the timing of revenue recognition associated with its fixed fee and minimum guarantee arrangements, as a majority of such revenue which had previously been recognized over the license term is expected to be recognized at the inception of the license term. On January 1, 2018, the Company adopted the new standard using the modified retrospective method, under which the Company recorded a $224 million cumulative net of tax adjustment to the opening balance of retained earnings on January 1, 2018. The adjustment was determined by measuring the impact of the new standard on existing contracts that were not completed as of December 31, 2017. Prior period comparative information has not been restated and continues to be reported under Topic 605 in effect for those periods. The Company expects this new standard to have a material impact on its revenue and its consolidated statement of operations and balance sheet on an ongoing basis, with no impact on the timing of customer billings or on cash flows. See “Note 3 - Revenue" for further discussion.

Revenue Recognition

Practical Expedients

The Company expenses sales commissions when incurred because the amortization period generally would have been one year or less. In addition, sales commissions have historically not been a significant expense and are not contemplated to be significant in the future. Sales commissions are recorded in selling, general and administrative expenses in the consolidated statement of operations.

Contract Balances

Unbilled Contracts Receivable

Timing of revenue recognition may differ significantly from the timing of invoicing to customers. Accounts receivable, net, include amounts billed and currently due from customers. Unbilled contracts receivable represent unbilled amounts expected to be received from customers in future periods, where the revenue recognized to date (or cumulative adjustments to retained earnings in the initial period of adopting Topic 606) exceeds the amount billed, and right to payment is subject to the underlying contractual terms. Unbilled contracts receivable amounts may not exceed their net realizable value and are classified as long-term assets if the payments are expected to be received more than one year from the reporting date.

Deferred Revenue

Deferred revenue includes payments made by licensees for which the corresponding performance obligations have not yet been fully satisfied by the Company and typically occurs when performance obligations are satisfied over time.

Revenue Recognition

The Company derives its revenue primarily from royalty and license fees for rights to use the Company’s intellectual property and technologies (“IP”). Revenue is recognized upon transfer of control of promised products, services or IP rights to customers in an amount that reflects the consideration the Company expects to receive in exchange for those products, services or licensing of the IP rights.

Certain licensees have entered into fixed fee or minimum guarantee arrangements, whereby licensees pay a fixed fee for the right to incorporate the Company's technology in the licensee's products over the license term. In arrangements with a minimum guarantee, the fixed fee component corresponds to a minimum number of units or dollars that the customer must produce or pay, with additional per-unit fees for any units or dollars exceeding the minimum. In most cases, the customer pays the fixed license fee in specified installments over the license term. For these agreements, the Company recognizes the full fixed fee as revenue at the beginning of the license term, when the licensee has the right to use the IP and begins to benefit from the license.

If the contract term of a fixed fee or minimum guarantee arrangement is longer than one year, the Company also considers the scheduled payment arrangements to determine whether a significant financing component exists. In general, if the payment arrangements extend beyond the initial twelve months of the contract, the Company treats a portion of the payments as a significant financing component. When the payments are expected to be received within one year or less, the Company does not adjust the promised amount of consideration for the effects of a financing component. The discount rate used for each arrangement reflects the rate that would be used in a separate financing transaction between the Company and the licensee at contract inception, and takes into account the credit characteristics of the licensee and market interest rates as of the date of the agreement. As such, the amount of fixed fee revenue recognized at the beginning of the license term will be reduced by the calculated financing component. As payments are received from the licensee, the Company recognizes a portion of the financing component as interest income, reported as other income and expense in the Consolidated Statements of Operations.

For certain licensees, royalty revenues are generated based on a licensee's production or shipment of licensed products incorporating the Company’s IP, technologies or software. Licensees with a per-unit arrangement pay a per-unit royalty for each product manufactured or sold, as set forth in its license agreement. Licensees generally report manufacturing or sales information in the quarter subsequent to when the shipment activity takes place. The Company estimates the royalties earned each quarter based on its forecast of manufacturing and sales activity incurred by its licensees in that quarter. Any differences between actual royalties owed by a licensee and the Company’s quarterly estimate are recognized in the following quarter, when the licensee’s royalty report is received. Estimating licensees’ quarterly royalties prior to receiving the royalty reports requires the Company to make significant assumptions and judgments that could have a material impact on the amount of revenue it reports on a quarterly basis.

The Company actively monitors and enforces its IP, including seeking appropriate compensation from customers that have under-reported royalties owed under a license agreement and from third parties that utilize the Company’s intellectual property without a license. As a result of these activities, the Company may, from time to time, recognize revenue from payments resulting from periodic compliance audits of licensees for underreporting royalties incurred in prior periods, as part of a settlement of a patent infringement dispute, or legal judgments from a license dispute. These recoveries and settlements may cause revenue to be higher than expected during a particular reporting period and such recoveries may not occur in subsequent periods. The Company recognizes revenue from recoveries when a binding agreement has been executed and the Company concludes collection under that agreement is likely.

In some instances, the Company may enter into license agreements that contain multiple performance obligations that include engineering services in addition to a technology or software license. For such arrangements where all components are capable of being distinct and accounted for as separate performance obligations, the Company allocates revenue to each performance obligation based on its relative standalone selling price. The Company generally determines standalone selling prices based on the prices ordinarily charged to customers, or in some cases by applying a reasonable cost-plus margin. The consideration for engineering services is recognized as the underlying performance obligations are satisfied. Generally, the Company satisfies performance obligations over time and therefore recognizes revenue over time by measuring the progress toward completion of the performance obligation at each reporting period.

Revenue is recognized gross of withholding taxes that are remitted directly by the Company's licensees directly to a local tax authority.

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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Schedule of Impact of Adoption

The most significant impact from adopting Topic 606 was a substantial increase in unbilled contracts receivable, long-term deferred tax liabilities and retained earnings, which was driven primarily by applying the standard on fixed fee and minimum

The cumulative effect of the changes made to the Company's condensed consolidated balance sheet for the adoption of Topic 606 was as follows (in thousands):

BALANCE SHEET	Balance at December 31, 2017		Adjustments due to Topic 606			Balance at January 1, 2018
Assets
Unbilled contracts receivable	$	10,866	$	188,760		$	199,626
Other current assets	16,949		(2,000		)	14,949
Long-term unbilled contracts receivable	2,930		105,193			108,123
Other assets	9,772		(3,656		)	6,116
Liabilities
Accrued liabilities	47,969		432			48,401
Deferred revenue	2,686		(783		)	1,903
Long-term deferred tax liabilities	15,085		64,520			79,605
Equity
Retained earnings	68,556		224,128			292,684

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Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Schedule of Revenue Recognized in Period

The following table presents additional revenue and contract disclosures (in thousands):

	Three months ended March 31,
	2018		2017
Revenue recognized in the period from:
Amounts included in deferred revenue at the beginning of the period	$	353	$	236
Performance obligations satisfied in previous periods (true ups or settlements)	—		—

Schedule of Remaining Performance Obligations

(in thousands):

	As of
	March 31, 2018		December 31, 2017
Revenue from contracts with performance obligations expected to be satisfied in:
One year or less	$	4,442	$	2,440
More than one year but less than two years	175		149
More than two years	274		240
Total	$	4,891	$	2,829

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Composition Of Certain Financial Statement Captions (Tables)

3 Months Ended

Mar. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Other Current Assets

Other current assets consisted of the following (in thousands):

	March 31, 2018		December 31, 2017
Prepaid income taxes	$	6,609	$	6,713
Prepaid expenses	7,009		6,655
Other	3,746		3,581
	$	17,364	$	16,949

Property, Plant and Equipment

Property and equipment, net consisted of the following (in thousands):

	March 31, 2018			December 31, 2017
Equipment, furniture and other	$	26,735		$	26,029
Building and improvements	18,222			18,222
Land	5,300			5,300
Leasehold improvements	6,437			6,469
	56,694			56,020
Less: accumulated depreciation and amortization	(23,271		)	(21,578		)
	$	33,423		$	34,442

Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	March 31, 2018		December 31, 2017
Employee compensation and benefits	$	21,093	$	37,056
Other	9,692		10,913
	$	30,785	$	47,969

Accumulated Other Comprehensive Income (Loss)

Accumulated other comprehensive loss consisted of the following (in thousands):

	March 31, 2018			December 31, 2017
Unrealized loss on available-for-sale securities, net of tax	$	(520	)	$	(303	)
	$	(520	)	$	(303	)

Other Income and Expense, Net

Other income and expense, net, consisted of the following (in thousands):

	For the three months ended,
	March 31, 2018		March 31, 2017
Interest income from significant financing components under Topic 606	$	2,151	$	—
Interest income from investments	250		213
Other income (losses)	753		(167		)
	$	3,154	$	46

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Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2018

Investments, Debt and Equity Securities [Abstract]

Summary of Marketable Securities

The following is a summary of marketable securities at March 31, 2018 and December 31, 2017 (in thousands):

	March 31, 2018
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Values
Available-for-sale securities
Corporate bonds and notes	$	37,945	$	—	$	(441	)	$	37,504
Commercial paper	2,399		—		—			2,399
Treasury and agency notes and bills	6,000		—		(79		)	5,921
Money market funds	2,124		—		—			2,124
Total available-for-sale securities	$	48,468	$	—	$	(520	)	$	47,948
Reported in:
Cash and cash equivalents								$	2,124
Short-term investments								45,824
Total marketable securities								$	47,948

	December 31, 2017
	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Values
Available-for-sale securities
Corporate bonds and notes	$	45,803	$	—	$	(230	)	$	45,573
Commercial paper	2,392		—		(2		)	2,390
Treasury and agency notes and bills	6,000		—		(71		)	5,929
Certificates of deposit	8,540		—		—			8,540
Money market funds	40,413		—		—			40,413
Total available-for-sale securities	$	103,148	$	—	$	(303	)	$	102,845
Reported in:
Cash and cash equivalents								$	40,413
Short-term investments								62,432
Total marketable securities								$	102,845

Schedule of Gross Unrealized Losses on Investments

The following table summarizes the fair value and gross unrealized losses related to individual available-for-sale securities at March 31, 2018 and December 31, 2017, which have been in a continuous unrealized loss position, aggregated by investment category and length of time (in thousands):

March 31, 2018	Less Than 12 Months					12 Months or More					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Corporate bonds and notes	$	30,557	$	(401	)	$	6,947	$	(40	)	$	37,504	$	(441	)
Treasury and agency notes and bills	—		—			5,921		(79		)	5,921		(79		)
Total	$	30,557	$	(401	)	$	12,868	$	(119	)	$	43,425	$	(520	)

December 31, 2017	Less Than 12 Months					12 Months or More					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Corporate bonds and notes	$	30,811	$	(189	)	$	14,762	$	(41	)	$	45,573	$	(230	)
Commercial paper	2,390		(2		)	—		—			2,390		(2		)
Treasury and agency notes and bills	—		—			5,929		(71		)	5,929		(71		)
Total	$	33,201	$	(191	)	$	20,691	$	(112	)	$	53,892	$	(303	)

Estimated Fair Value of Marketable Securities by Contractual Maturity

The estimated fair value of marketable securities by contractual maturity at March 31, 2018 is shown below (in thousands). Actual maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations without call or prepayment penalties.

	Estimated Fair Value
Due in one year or less	$	19,224
Due in one to two years	19,070
Due in two to three years	9,654
Total	$	47,948

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Fair Value (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis

The following is a list of the Company’s assets required to be measured at fair value on a recurring basis and where they were classified within the hierarchy as of December 31, 2017 (in thousands):

	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level  1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Marketable securities
Money market funds (1)	$	40,413	$	40,413	$	—	$	—
Certificates of deposit (2)	8,540		—		8,540		—
Corporate bonds and notes (2)	45,573		—		45,573		—
Treasury and agency notes and bills (2)	5,929		—		5,929		—
Commercial paper (2)	2,390		—		2,390		—
Total Assets	$	102,845	$	40,413	$	62,432	$	—

The following footnotes indicate where the noted items were recorded in the Consolidated Balance Sheet at December 31, 2017:

(1) Reported as cash and cash equivalents.

(2) Reported as short-term investments.

The following is a list of the Company’s assets required to be measured at fair value on a recurring basis and where they were classified within the hierarchy as of March 31, 2018 (in thousands):

	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Marketable securities
Money market funds (1)	$	2,124	$	2,124	$	—	$	—
Corporate bonds and notes (2)	37,504		—		37,504		—
Treasury and agency notes and bills (2)	5,921		—		5,921		—
Commercial paper (2)	2,399		—		2,399		—
Total Assets	$	47,948	$	2,124	$	45,824	$	—

The following footnotes indicate where the noted items were recorded in the Condensed Consolidated Balance Sheet at March 31, 2018:

(1) Reported as cash and cash equivalents.

(2) Reported as short-term investments.

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Goodwill And Identified Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Identified Intangible Assets

Identified intangible assets consisted of the following (in thousands):

		March 31, 2018							December 31, 2017
	Average Life (Years)	Gross Assets		Accumulated Amortization			Net		Gross Assets		Accumulated Amortization			Net
Acquired patents / core technology	3-15	$	142,584	$	(117,314	)	$	25,270	$	142,584	$	(113,349	)	$	29,235
Existing technology	5-10	204,394		(70,085		)	134,309		204,394		(61,518		)	142,876
Customer contracts and related relationships	3-9	291,769		(81,658		)	210,111		291,769		(68,267		)	223,502
Trademarks/trade name	4-10	40,083		(7,354		)	32,729		40,083		(6,111		)	33,972
Non-competition agreements	1	2,231		(2,231		)	—		2,231		(2,231		)	—
Total amortizable intangible assets		681,061		(278,642		)	402,419		681,061		(251,476		)	429,585
In-process research and development		2,204		—			2,204		2,204		—			2,204
Total intangible assets		$	683,265	$	(278,642	)	$	404,623	$	683,265	$	(251,476	)	$	431,789

Estimated Future Amortization Expense

As of March 31, 2018, the estimated future amortization expense of total (amortizable) intangible assets was as follows (in thousands):

2018 (remaining 9 months)	$	80,775
2019	98,855
2020	87,140
2021	79,478
2022	31,173
Thereafter	24,998
	$	402,419

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Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Debt

As of March 31, 2018, future minimum principal payments for long-term debt are summarized as follows (in thousands):

2018 (remaining 9 months)	$	—
2019	—
2020	—
2021	—
2022	—
Thereafter	494,000
Total	$	494,000

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Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Loss Per Share

The following table sets forth the computation of basic and diluted shares (in thousands):

	Three Months Ended
	March 31, 2018	March 31, 2017
Denominator:
Weighted average common shares outstanding	49,302	49,144
Less: shares of restricted stock subject to repurchase	—	(5	)
Total common shares-basic	49,302	49,139
Effect of dilutive securities:
Options	—	—
Restricted stock awards and units	—	—
Total common shares-diluted	49,302	49,139

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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Activity

A summary of the stock option activity is presented below (in thousands, except per share amounts):

	Options Outstanding
	Number of Shares Subject to Options		Weighted Average Exercise Price Per Share
Balance at December 31, 2017	1,172		$24.06
Options granted	—		—
Options exercised	(45	)	$18.23
Options canceled / forfeited / expired	(35	)	$34.58
Balance at March 31, 2018	1,092		$23.97

Summary of Restricted Stock Awards and Units

Information with respect to outstanding restricted stock awards and units as of March 31, 2018 is as follows (in thousands, except per share amounts):

	Restricted Stock and Restricted Stock Units
	Number of Shares Subject to Time- based Vesting		Number of Shares Subject to Performance- based Vesting		Total Number of Shares		Weighted Average Grant Date Fair Value Per Share
Balance at December 31, 2017	2,014		1,119		3,133		$	33.35
Awards and units granted	683		—		683		$	22.37
Awards and units vested / earned	(506	)	(171	)	(677	)	$	35.62
Awards and units canceled / forfeited	(74	)	(227	)	(301	)	$	29.03
Balance at March 31, 2018	2,117		721		2,838		$	30.63

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Stock-Based Compensation Expense (Tables)

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Effect of Recording Stock-Based Compensation Expense

The effect of recording stock-based compensation expense for the three months ended March 31, 2018 and 2017 is as follows (in thousands):

	Three Months Ended
	March 31, 2018			March 31, 2017
Research, development and other related costs	$	3,094		$	2,870
Selling, general and administrative	4,314			4,211
Total stock-based compensation expense	7,408			7,081
Tax effect on stock-based compensation expense	(1,256		)	(2,019		)
Net effect on net income (loss)	$	6,152		$	5,062

Stock-Based Compensation Expense Categorized by Equity Components

Stock-based compensation expense categorized by various equity components for the three months ended March 31, 2018 and 2017 is summarized in the table below (in thousands):

	Three Months Ended
	March 31, 2018		March 31, 2017
Employee stock options	$	177	$	645
Restricted stock awards and units	6,432		6,006
Employee stock purchase plan	799		430
Total stock-based compensation expense	$	7,408	$	7,081

Schedule of Assumptions Used To Value Options Granted

ESPP grants occur in February and August. The following assumptions were used to value the ESPP shares for these grants:

	February 2018		February 2017
Expected life (years)	2.0		2.0
Risk-free interest rate	2.2	%	1.2	%
Dividend yield	3.6	%	2.0	%
Expected volatility	39.4	%	28.3	%

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Segment And Geographic Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following table sets forth the Company’s segment revenue, operating expenses and operating income (loss) for the three months ended March 31, 2018 and 2017 (in thousands):

	Three Months Ended,
	March 31, 2018			March 31, 2017
Revenue:
Product licensing segment	$	53,216		$	27,701
Semiconductor and IP licensing segment	12,316			39,554
Total revenue	65,532			67,255
Operating expenses:
Product licensing segment	43,891			43,182
Semiconductor and IP licensing segment	19,430			22,763
Unallocated operating expenses (1)	34,702			41,205
Total operating expenses	98,023			107,150
Operating income (loss):
Product licensing segment	9,325			(15,481		)
Semiconductor and IP licensing segment	(7,114		)	16,791
Unallocated operating expenses (1)	(34,702		)	(41,205		)
Total operating loss	$	(32,491	)	$	(39,895	)

(1) Unallocated operating expenses consist primarily of general and administrative expenses, such as administration, human resources, finance, information technology, corporation development and procurement. These expenses are not allocated because these amounts are not considered in evaluating the operating performance of the Company’s business segments.

Schedule of Geographic Revenue Information

The table below lists the geographic revenue for the periods indicated (in thousands):

	Three Months Ended,
	March 31, 2018				March 31, 2017
Japan	$	19,345	30	%	$	13,891	21	%
Korea	14,428		22		6,887		10
China	14,145		21		3,055		4
U.S.	11,628		18		33,405		50
Taiwan	531		1		7,991		12
Other	5,455		8		2,026		3
	$	65,532	100	%	$	67,255	100	%

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The Company And Basis Of Presentation - Narrative (Details)	3 Months Ended
	Mar. 31, 2018 semiconductor_chip customer
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Percentage of smartphones embedded with Company's imaging technology (more than)	25.00%
Number of customers with licenses (more than) | customer	100
Number of semiconductor chips | semiconductor_chip	100,000,000,000

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Summary Of Significant Accounting Policies - Narrative (Details) $ in Millions	Dec. 31, 2017 USD ($)
Accounting Standards Update 2014-09 | Retained Earnings
New Accounting Pronouncement, Early Adoption [Line Items]
Cumulative impact of adjustment to retained earnings	$ 224

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Summary Of Significant Accounting Policies - Schedule of Cumulative Impact of Adoption (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Assets
Accounts receivable, net	$ 23,107	$ 199,626	$ 17,010
Unbilled contracts receivable	204,765		10,866
Other current assets	17,364	14,949	16,949
Long-term unbilled contracts receivable	71,331	108,123	2,930
Other assets	5,383	6,116	9,772
Liabilities
Accrued liabilities	30,785	48,401	47,969
Deferred revenue	4,597	1,903	2,686
Long-term deferred tax liabilities	72,564	79,605	15,085
Equity
Retained earnings	249,781	292,684	68,556
Calculated under Revenue Guidance in Effect before Topic 606
Assets
Accounts receivable, net			10,866
Unbilled contracts receivable	10,340
Other current assets	19,114		16,949
Long-term unbilled contracts receivable	2,488		2,930
Other assets	7,571		9,772
Liabilities
Accrued liabilities	30,687		47,969
Deferred revenue	5,636		2,686
Long-term deferred tax liabilities	12,610		15,085
Equity
Retained earnings	49,464		$ 68,556
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09
Assets
Accounts receivable, net		188,760
Unbilled contracts receivable	194,425
Other current assets	(1,750)	(2,000)
Long-term unbilled contracts receivable	68,843	105,193
Other assets	(2,188)	(3,656)
Liabilities
Accrued liabilities	98	432
Deferred revenue	(1,039)	(783)
Long-term deferred tax liabilities	59,954	64,520
Equity
Retained earnings	$ 200,317	$ 224,128

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Summary Of Significant Accounting Policies - Schedule of Impact of Adoption on Condensed Consolidated Financial Statements (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Jan. 01, 2018	Dec. 31, 2017
STATEMENT OF OPERATIONS
Royalty and license fees	$ 65,532	$ 67,255
Cost of revenue	2,324	1,400
Operating loss	(32,491)	(39,895)
Other income and expense, net	3,154	46
Loss before taxes	(35,655)	(46,308)
Provision for (benefit from) income taxes	(2,638)	(35,279)
Net loss	$ (33,017)	$ (11,029)
Basic/Diluted net loss per share:
Basic/Diluted net loss per share (in dollars per share)	$ (0.67)
Assets
Unbilled contracts receivable	$ 204,765			$ 10,866
Other current assets	17,364		$ 14,949	16,949
Long-term unbilled contracts receivable	71,331		108,123	2,930
Other assets	5,383		6,116	9,772
Liabilities
Accrued liabilities	30,785		48,401	47,969
Deferred revenue	4,597		1,903	2,686
Long-term deferred tax liabilities	72,564		79,605	15,085
Equity
Retained earnings	249,781		292,684	68,556
Calculated under Revenue Guidance in Effect before Topic 606
STATEMENT OF OPERATIONS
Royalty and license fees	96,160
Cost of revenue	2,099
Operating loss	(1,638)
Other income and expense, net	1,003
Loss before taxes	(6,953)
Provision for (benefit from) income taxes	2,250
Net loss	$ (9,203)
Basic/Diluted net loss per share:
Basic/Diluted net loss per share (in dollars per share)	$ (0.19)
Assets
Unbilled contracts receivable	$ 10,340
Other current assets	19,114			16,949
Long-term unbilled contracts receivable	2,488			2,930
Other assets	7,571			9,772
Liabilities
Accrued liabilities	30,687			47,969
Deferred revenue	5,636			2,686
Long-term deferred tax liabilities	12,610			15,085
Equity
Retained earnings	49,464			$ 68,556
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09
STATEMENT OF OPERATIONS
Royalty and license fees	(30,628)
Cost of revenue	225
Operating loss	(30,853)
Other income and expense, net	2,151
Loss before taxes	(28,702)
Provision for (benefit from) income taxes	(4,888)
Net loss	$ (23,814)
Basic/Diluted net loss per share:
Basic/Diluted net loss per share (in dollars per share)	$ (0.48)
Assets
Unbilled contracts receivable	$ 194,425
Other current assets	(1,750)		(2,000)
Long-term unbilled contracts receivable	68,843		105,193
Other assets	(2,188)		(3,656)
Liabilities
Accrued liabilities	98		432
Deferred revenue	(1,039)		(783)
Long-term deferred tax liabilities	59,954		64,520
Equity
Retained earnings	$ 200,317		$ 224,128

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Revenue - Revenue Recognized in Period (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenue from Contract with Customer [Abstract]
Amounts included in deferred revenue at the beginning of the period	$ 353	$ 236
Performance obligations satisfied in previous periods (true ups or settlements)	$ 0	$ 0

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Revenue - Performance Obligations (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Contract with Customer, Duration [Axis]: 2018-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations		$ 2,440
Performance obligations expected to be satisfied, expected timing		1 year
Contract with Customer, Duration [Axis]: 2018-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 4,442
Performance obligations expected to be satisfied, expected timing	1 year
Contract with Customer, Duration [Axis]: 2019-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations		$ 149
Performance obligations expected to be satisfied, expected timing		1 year
Contract with Customer, Duration [Axis]: 2019-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 175
Performance obligations expected to be satisfied, expected timing	1 year
Contract with Customer, Duration [Axis]: 2020-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligations expected to be satisfied, expected timing
Contract with Customer, Duration [Axis]: 2021-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations		$ 240
Contract with Customer, Duration [Axis]: 2021-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 274
Contract with Customer, Duration [Axis]: (nil)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 4,891	$ 2,829

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Composition Of Certain Financial Statement Captions - Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepaid income taxes	$ 6,609		$ 6,713
Prepaid expenses	7,009		6,655
Other	3,746		3,581
Other current assets, total	$ 17,364	$ 14,949	$ 16,949

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Composition Of Certain Financial Statement Captions - Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 56,694		$ 56,020
Less: accumulated depreciation and amortization	(23,271)		(21,578)
Property and equipment, net	33,423		34,442
Depreciation and amortization of property and equipment	1,800	$ 1,800
Equipment, furniture and other
Property, Plant and Equipment [Line Items]
Property and equipment, gross	26,735		26,029
Building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	18,222		18,222
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,300		5,300
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 6,437		$ 6,469

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Composition Of Certain Financial Statement Captions - Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Employee compensation and benefits	$ 21,093		$ 37,056
Other	9,692		10,913
Accrued liabilities, total	$ 30,785	$ 48,401	$ 47,969

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Composition Of Certain Financial Statement Captions - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Unrealized loss on available-for-sale securities, net of tax	$ (520)	$ (303)
Accumulated other comprehensive income (loss)	$ (520)	$ (303)

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Composition Of Certain Financial Statement Captions Composition Of Certain Financial Statement Captions - Other Income and Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Interest income from investments	$ 250	$ 213
Other income (losses)	753	(167)
Other income and expense, net	3,154	46
Financing
Disaggregation of Revenue [Line Items]
Interest income from significant financing components under Topic 606	$ 2,151	$ 0

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Financial Instruments - Summary of Marketable Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Cost	$ 48,468	$ 103,148
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(520)	(303)
Estimated Fair Values	47,948	102,845
Corporate bonds and notes
Schedule of Available-for-sale Securities [Line Items]
Cost	37,945	45,803
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(441)	(230)
Estimated Fair Values	37,504	45,573
Commercial paper
Schedule of Available-for-sale Securities [Line Items]
Cost	2,399	2,392
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	(2)
Estimated Fair Values	2,399	2,390
Treasury and agency notes and bills
Schedule of Available-for-sale Securities [Line Items]
Cost	6,000	6,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(79)	(71)
Estimated Fair Values	5,921	5,929
Certificates of deposit
Schedule of Available-for-sale Securities [Line Items]
Cost		8,540
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Estimated Fair Values		8,540
Money market funds
Schedule of Available-for-sale Securities [Line Items]
Cost	2,124	40,413
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Values	2,124	40,413
Cash and cash equivalents
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Values	2,124	40,413
Short-term investments
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Values	$ 45,824	$ 62,432

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Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Schedule of Investments [Line Items]
Cash, cash equivalents and short-term investments	$ 80.8	$ 200.7
Unrealized loss, net	0.5	0.3
Operating Accounts
Schedule of Investments [Line Items]
Cash, cash equivalents and short-term investments	$ 32.8	$ 97.8

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Financial Instruments - Fair Value and Gross Unrealized Losses Related to Individual Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 30,557	$ 33,201
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Gross Unrealized Losses	(401)	(191)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Fair Value	12,868	20,691
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Gross Unrealized Losses	(119)	(112)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	43,425	53,892
Available-for-sale Securities, Continuous Unrealized Loss Position, Gross Unrealized Losses	(520)	(303)
Corporate bonds and notes
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	30,557	30,811
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Gross Unrealized Losses	(401)	(189)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Fair Value	6,947	14,762
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Gross Unrealized Losses	(40)	(41)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	37,504	45,573
Available-for-sale Securities, Continuous Unrealized Loss Position, Gross Unrealized Losses	(441)	(230)
Commercial paper
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value		2,390
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Gross Unrealized Losses		(2)
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Fair Value		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Gross Unrealized Losses		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		2,390
Available-for-sale Securities, Continuous Unrealized Loss Position, Gross Unrealized Losses		(2)
Treasury and agency notes and bills
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Gross Unrealized Losses	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Fair Value	5,921	5,929
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 months or more, Gross Unrealized Losses	(79)	(71)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	5,921	5,929
Available-for-sale Securities, Continuous Unrealized Loss Position, Gross Unrealized Losses	$ (79)	$ (71)

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Financial Instruments - Estimated Fair Value of Marketable Securities by Contractual Maturity (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
Due in one year or less	$ 19,224
Due in one to two years	19,070
Due in two to three years	9,654
Total	$ 47,948	$ 102,845

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Fair Value - Assets Required to be Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 47,948	$ 102,845
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	2,124	40,413
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	45,824	62,432
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	2,124	40,413
Money market funds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	2,124	40,413
Money market funds | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Money market funds | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Certificates of deposit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value		8,540
Certificates of deposit | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value		0
Certificates of deposit | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value		8,540
Certificates of deposit | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value		0
Corporate bonds and notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	37,504	45,573
Corporate bonds and notes | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Corporate bonds and notes | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	37,504	45,573
Corporate bonds and notes | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Treasury and agency notes and bills
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	5,921	5,929
Treasury and agency notes and bills | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Treasury and agency notes and bills | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	5,921	5,929
Treasury and agency notes and bills | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	2,399	2,390
Commercial paper | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Commercial paper | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	2,399	2,390
Commercial paper | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 0	$ 0

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Goodwill And Identified Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Goodwill [Roll Forward]
Goodwill	$ 385,574	$ 385,574
Product Licensing Segment
Goodwill [Roll Forward]
Goodwill	377,900	377,900
Semiconductor and IP Licensing Segment
Goodwill [Roll Forward]
Goodwill	$ 7,700	$ 7,700

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Goodwill And Identified Intangible Assets - Identified Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 681,061		$ 681,061
Accumulated Amortization	(278,642)		(251,476)
Net	402,419		429,585
Intangible assets, gross	683,265		683,265
Intangible assets, net	404,623		431,789
Amortization expense	27,166	$ 28,555
In-process research and development (IPR&D)
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	2,204		2,204
Acquired patents / core technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	142,584		142,584
Accumulated Amortization	(117,314)		(113,349)
Net	$ 25,270		29,235
Acquired patents / core technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Average Life (Years)	3 years
Acquired patents / core technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Average Life (Years)	15 years
Existing technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 204,394		204,394
Accumulated Amortization	(70,085)		(61,518)
Net	$ 134,309		142,876
Existing technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Average Life (Years)	5 years
Existing technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Average Life (Years)	10 years
Customer contracts and related relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 291,769		291,769
Accumulated Amortization	(81,658)		(68,267)
Net	$ 210,111		223,502
Customer contracts and related relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Average Life (Years)	3 years
Customer contracts and related relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Average Life (Years)	9 years
Trademarks/trade name
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 40,083		40,083
Accumulated Amortization	(7,354)		(6,111)
Net	$ 32,729		33,972
Trademarks/trade name | Minimum
Finite-Lived Intangible Assets [Line Items]
Average Life (Years)	4 years
Trademarks/trade name | Maximum
Finite-Lived Intangible Assets [Line Items]
Average Life (Years)	10 years
Non-competition agreements
Finite-Lived Intangible Assets [Line Items]
Average Life (Years)	1 year
Finite-lived intangible assets, gross	$ 2,231		2,231
Accumulated Amortization	(2,231)		(2,231)
Net	$ 0		$ 0

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Goodwill And Identified Intangible Assets - Estimated Future Amortization Expense of Intangible Assets, Excluding the In-Process Research and Development (Detail) $ in Thousands	Mar. 31, 2018 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2018 (remaining 9 months)	$ 80,775
2019	98,855
2020	87,140
2021	79,478
2022	31,173
Thereafter	24,998
Finite-lived intangible assets, net	$ 402,419

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Debt Narrative (Details) - USD ($)			3 Months Ended
	Jan. 23, 2018	Dec. 01, 2016	Mar. 31, 2018	Mar. 31, 2017
Line of Credit Facility [Line Items]
Borrowings			$ 494,000,000
Term B Loan Facility
Line of Credit Facility [Line Items]
Repayment of debt			1,500,000
Term B Loan Facility | Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity	$ 494,000,000.0
Debt instrument, maturity date		Nov. 30, 2023
Borrowings		$ 600,000,000	$ 494,000,000
Voluntary prepayment against the term loan	$ 100,000,000
Debt instrument, prepayment premium	1.00%
Third party costs incurred and expensed	$ 1,100,000
Interest rate			5.10%
Unamortized debt issuance costs			$ 13,700,000
Interest expense			6,300,000	$ 6,500,000
Amortization of debt issuance costs			$ 700,000	$ 600,000
Term B Loan Facility | Line of Credit | Eurodollar
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate	2.50%
Term B Loan Facility | Line of Credit | Base Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate	1.50%
Term B Loan Facility | Line of Credit | Royal Bank of Canada
Line of Credit Facility [Line Items]
Borrowing capacity		$ 600,000,000
Loan facility, term		7 years

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Debt Expected Future Principal Payments (Details) $ in Thousands	Mar. 31, 2018 USD ($)
Debt Disclosure [Abstract]
2018 (remaining 9 months)	$ 0
2019	0
2020	0
2021	0
2022	0
Thereafter	494,000
Total	$ 494,000

XML

Net Loss Per Share - Schedule of Basic and Diluted Net Loss Per Share (Detail) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Denominator:
Weighted average common shares outstanding (in shares)	49,302	49,144
Less: Unvested common shares subject to repurchase (in shares)	0	(5)
Total common shares-basic (in shares)	49,302	49,139
Effect of dilutive securities:
Stock awards (in shares)	0	0
Restricted stock awards and units (in shares)	0	0
Total common shares-diluted (in shares)	49,302	49,139

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Net Loss Per Share - Additional Information (Detail) - shares shares in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Earnings Per Share [Abstract]
Shares of common stock excluded from the computation of net loss per share	3.1	0.7

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Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended	125 Months Ended	128 Months Ended
	Apr. 27, 2018	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2018
Schedule of Trading Securities and Other Trading Assets [Line Items]
Treasury stock, total repurchase during period (in shares)			11,142,000	11,787,000
Treasury stock, average price of share repurchased (in dollars per share)			$ 27.57	$ 27.33
Treasury stock, total cost of repurchased stock			$ 307.2	$ 322.1
Stock repurchase program, remaining amount available for repurchase		$ 127.9		$ 127.9
Performance Shares | Minimum
Schedule of Trading Securities and Other Trading Assets [Line Items]
Performance awards, percentage of grant available to vest		0.00%
Performance Shares | Maximum
Schedule of Trading Securities and Other Trading Assets [Line Items]
Performance awards, percentage of grant available to vest		100.00%
Employee Stock Purchase Plan
Schedule of Trading Securities and Other Trading Assets [Line Items]
Shares reserved for grant (in shares)		265,000		265,000
Employee Stock Purchase Plan | Subsequent Event
Schedule of Trading Securities and Other Trading Assets [Line Items]
Additional shares reserved for grant (in shares)	1,000,000.0
2003 Plan | Employee Stock Option
Schedule of Trading Securities and Other Trading Assets [Line Items]
Shares reserved for grant (in shares)		100,000		100,000
2003 Plan | Employee Stock Option | Subsequent Event
Schedule of Trading Securities and Other Trading Assets [Line Items]
Additional shares reserved for grant (in shares)	3,900,000

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Stockholders' Equity - Summary of Stock Option Activity (Detail) - $ / shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Number of Shares Subject to Options
Number of Shares, Beginning balance (shares)	1,172,000
Number of Shares, Options granted (shares)	0	0
Number of Shares, Options exercised (shares)	(45,000)
Number of Shares, Options cancelled / forfeited / expired (shares)	(35,000)
Number of Shares, Ending balance (shares)	1,092,000
Weighted Average Exercise Price Per Share
Weighted Average Exercise Price Per Share, Beginning balance (usd per share)	$ 24.06
Weighted Average Exercise Price Per Share, Options granted (usd per share)	0.00
Weighted Average Exercise Price Per Share, Options exercised (usd per share)	18.23
Weighted Average Exercise Price Per Share, Options cancelled / forfeited / expired (usd per share)	34.58
Weighted Average Exercise Price Per Share, Ending balance (usd per share)	$ 23.97

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Stockholders' Equity - Summary of Restricted Stock Awards and Units (Detail) - Restricted Stock shares in Thousands	3 Months Ended
	Mar. 31, 2018 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted stock awards and units, beginning balance (shares)	3,133
Restricted stock awards and units, granted (shares)	683
Restricted stock awards and units, vested / earned (shares)	(677)
Restricted stock awards and units, cancelled / forfeited (shares)	(301)
Restricted stock awards and units, ending balance (shares)	2,838
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted average grant date fair value per share of restricted stock and units, beginning balance (usd per share) | $ / shares	$ 33.35
Weighted average grant date fair value per share of restricted stock and units, granted (usd per share) | $ / shares	22.37
Weighted average grant date fair value per share of restricted stock and units, vested / earned (usd per share) | $ / shares	35.62
Weighted average grant date fair value of restricted stock and units, cancelled / forfeited (usd per share) | $ / shares	29.03
Weighted average grant date fair value per share of restricted stock and units, ending balance (usd per share) | $ / shares	$ 30.63
Number Of Shares Subject To Time-Based Vesting
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted stock awards and units, beginning balance (shares)	2,014
Restricted stock awards and units, granted (shares)	683
Restricted stock awards and units, vested / earned (shares)	(506)
Restricted stock awards and units, cancelled / forfeited (shares)	(74)
Restricted stock awards and units, ending balance (shares)	2,117
Number Of Shares Subject To Performance-Based Vesting
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted stock awards and units, beginning balance (shares)	1,119
Restricted stock awards and units, granted (shares)	0
Restricted stock awards and units, vested / earned (shares)	(171)
Restricted stock awards and units, cancelled / forfeited (shares)	(227)
Restricted stock awards and units, ending balance (shares)	721

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Stock-Based Compensation Expense - Effect of Recording Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense	$ 7,408	$ 7,081
Tax effect on stock-based compensation expense	(1,256)	(2,019)
Net effect on net income (loss)	6,152	5,062
Research, Development and Other Related Costs
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense	3,094	2,870
Selling, general and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation expense	$ 4,314	$ 4,211

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Stock-Based Compensation Expense - Categorized by Equity Components (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 7,408	$ 7,081
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	177	645
Restricted Stock Awards And Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	6,432	6,006
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 799	$ 430

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Stock-Based Compensation Expense - Schedule of Assumptions Used to Value Options Granted (Detail) - shares	1 Months Ended		3 Months Ended
	Feb. 28, 2018	Feb. 28, 2017	Mar. 31, 2018	Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares, Options granted (shares)			0	0
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Expected life (in years)	2 years	2 years
Risk-free interest rate	2.20%	1.20%
Dividend yield	3.60%	2.00%
Expected volatility	39.40%	28.30%

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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Income Tax Contingency [Line Items]
Benefit from income taxes	$ (2,638)	$ (35,279)
Loss before taxes	$ (35,655)	$ (46,308)
Effective tax rate (percent)	7.40%	76.20%
Unrecognized tax benefits	$ 33,800	$ 30,100
Unrecognized tax benefits that would impact the effective income tax rate	22,200	$ 23,800
Interest and penalties related to unrecognized tax benefits	$ 700		$ 600
Provisional tax expense			5,600
Remeasurement of U.S. deferred taxes			13,500
Federal Tax Credits and Remeasurement
Income Tax Contingency [Line Items]
Remeasurement of U.S. deferred taxes			$ 7,900

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Commitments And Contingencies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Rent under operating lease agreement	$ 1.8	$ 1.5

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Segment And Geographic Information Schedule of Operating Income (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) segment	Mar. 31, 2017 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment	2
Segment Reporting Information [Line Items]
Total revenue	$ 65,532	$ 67,255
Total operating expenses	98,023	107,150
Operating loss	(32,491)	(39,895)
Operating Segments | Product Licensing Segment
Segment Reporting Information [Line Items]
Total revenue	53,216	27,701
Total operating expenses	43,891	43,182
Operating loss	9,325	(15,481)
Operating Segments | Semiconductor and IP Licensing Segment
Segment Reporting Information [Line Items]
Total revenue	12,316	39,554
Total operating expenses	19,430	22,763
Operating loss	(7,114)	16,791
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total operating expenses	34,702	41,205
Operating loss	$ (34,702)	$ (41,205)

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Segment And Geographic Information - Schedule of Geographic Revenue Information (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 65,532	$ 67,255
Concentration risk, percentage (or more)	100.00%	100.00%
Customer One | Total Revenue | Customer Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)	10.00%	10.00%
Customer One | Total Accounts Receivable | Customer Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)	10.00%		10.00%
Customer Two | Total Revenue | Customer Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)		10.00%
Customer Two | Total Accounts Receivable | Customer Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)			10.00%
Customer Three | Total Accounts Receivable | Customer Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage (or more)			10.00%
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 19,345	$ 13,891
Concentration risk, percentage (or more)	30.00%	21.00%
Korea
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 14,428	$ 6,887
Concentration risk, percentage (or more)	22.00%	10.00%
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 14,145	$ 3,055
Concentration risk, percentage (or more)	21.00%	4.00%
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 11,628	$ 33,405
Concentration risk, percentage (or more)	18.00%	50.00%
Taiwan
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 531	$ 7,991
Concentration risk, percentage (or more)	1.00%	12.00%
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign revenues	$ 5,455	$ 2,026
Concentration risk, percentage (or more)	8.00%	3.00%

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Subsequent Event - Additional Information (Detail) - $ / shares		3 Months Ended
	Apr. 26, 2018	Mar. 31, 2018	Mar. 31, 2017
Subsequent Event [Line Items]
Cash dividends declared per share (in dollars per share)		$ 0.20	$ 0.20
Subsequent Event
Subsequent Event [Line Items]
Cash dividends declared per share (in dollars per share)	$ 0.20