8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 20, 2008

CADENCE DESIGN SYSTEMS, INC.

(Exact Name of Registrant as Specified in Charter)

Delaware
(State or Other Jurisdiction
of Incorporation) 000-15867
(Commission File Number) 77-0148231
(I.R.S. Employer
Identification No.)

2655 Seely Avenue, Building 5 San Jose, California	95134
(Address of Principal Executive Offices)	(Zip Code)

Registrant’s telephone number, including area code: (408) 943-1234

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS

EXHIBIT 99.1

Item 8.01. Other Events.

     On February 20, 2008, Cadence Design Systems, Inc. issued a press release announcing that its Board of Directors has authorized the repurchase of up to $500 million of its common stock, effective immediately. This new repurchase program is in addition to the amount remaining under Cadence’s previous repurchase authorization. A copy of the press release is attached hereto as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

     (d) Exhibits

Exhibit	Description
99.1	Press Release issued by Cadence Design Systems, Inc. on February 20, 2008.

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 hereunto duly authorized.

Dated: February 20, 2008

CADENCE DESIGN SYSTEMS, INC.
By:	/s/ William Porter
	William Porter
	Executive Vice President and Chief Financial Officer

EXHIBIT INDEX

Exhibit	Description
99.1	Press Release issued by Cadence Design Systems, Inc. on February 20, 2008.

EX-99.1

EXHIBIT 99.1

For more information, please contact:
Jennifer Jordan	Adolph Hunter
Investors and Shareholders	Media and Industry Analysts
Cadence Design Systems, Inc.	Cadence Design Systems, Inc.
408.944.7100	408.914.6016
investor_relations@cadence.com	publicrelations@cadence.com

Cadence Design Systems Announces Authorization of $500
Million Stock Repurchase

     SAN JOSE, Calif., Feb. 20, 2008 —Cadence Design Systems, Inc. (NASDAQ: CDNS) today announced that its Board of Directors has approved a stock repurchase program that authorizes Cadence to repurchase its common stock with a value of up to $500 million in the aggregate, effective immediately. This is in addition to the approximately $8.36 million remaining from Cadence’s previous stock repurchase authorization.

     Share repurchases under this program may be made in the open market or in privately negotiated transactions. The timing and actual number of shares repurchased will depend on a variety of factors including price, corporate and regulatory requirements and other market conditions.

About Cadence

Cadence enables global electronic-design innovation and plays an essential role in the creation of today’s integrated circuits and electronics. Customers use Cadence software and hardware, methodologies, and services to design and verify advanced semiconductors, consumer electronics, networking and telecommunications equipment, and computer systems. Cadence reported 2007 revenues of approximately $1.6 billion, and has approximately 5,300 employees. The company is headquartered in San Jose, Calif., with sales offices, design centers, and research facilities around the world to serve the global electronics industry. More information about the company, its products, and services is available at www.cadence.com.

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Cadence is a registered trademark, and the Cadence logo is a trademark, of Cadence in the United States and other countries. All other trademarks are the property of their respective owners.