Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2015

Notes to Financial Statements

4. Goodwill and Intangible Assets

Other Intangible Assets

The Company’s intangible assets with finite lives consist of its patents and patent rights. For all periods presented, all of the Company’s identifiable intangible assets were subject to amortization. The gross carrying amounts and accumulated amortization related to acquired intangible assets as of March 31, 2015 are as follows (in thousands, except year amounts):

Date Acquired and Description	Patent Portfolios at December 31, 2014, Net		Original Life (in years)		Amortization Expense for the Three Months Ended March 31, 2015		Patent Portfolios at March 31, 2015, Net
7/24/13 - Rockstar patent portfolio	$	3,322		8.50	$	116	$	3,206
9/10/13 - North South patent portfolio		932		8.50		32		900
12/31/13 - Rockstar patent portfolio		50,750		6.50		2,274		48,476
	$	55,004			$	2,422	$	52,582

The Company incurred amortization expense associated with its finite-lived intangible assets of $2.4 million and $2.4 million for the three months ended March 31, 2015 and 2014, respectively.

The weighted average remaining amortization period of the Company’s patents as of March 31, 2015 is approximately 5.4 years. Future amortization of all patents is as follows (in thousands):

	Rockstar Portfolio Acquired 24-Jul-13		North South Portfolio Acquired 10-Sep-13		Rockstar Portfolio Acquired 31-Dec-13		Total Amortization
Nine Months Ended December 31, 2015		354		98		6,951		7,403
Year Ended December 31, 2016		471		130		9,250		9,851
Year Ended December 31, 2017		470		130		9,225		9,825
Year Ended December 31, 2018		470		130		9,225		9,825
Year Ended December 31, 2019		470		130		9,225		9,825
Thereafter		971		282		4,600		5,853
Total	$	3,206	$	900	$	48,476	$	52,582