Attached files
EXHIBIT 23
Consent of Independent Registered Public Accounting Firm
The Stockholders and Board of Directors
Mentor Graphics Corporation:
We consent to the incorporation by reference in the Registration Statements on Forms S-8 (Nos. 33-11291, 33-18259, 2-90577, 33-30036, 2-99251, 33-30774, 33-57147, 33-57149, 33-57151, 33-64717, 333-49579, 333-69223, 333-81991, 333-81993, 333-53236, 333-53238, 333-87364, 333-91266, 333-91272, 333-110916, 333-110917, 333-110919, 333-119244, 333-119245, 333-119246, 333-135888, 333-135889, 333-156106, 333-156107, 333-156108, and 333-161747) and on Form S-3 (Nos. 33-52419, 33-56759, 33-60129, 333-00277, 333-02883, 333-11601, 333-98869, 333-109885, and 333-134642) of Mentor Graphics Corporation and subsidiaries of our reports dated March 17, 2010, with respect to the consolidated balance sheets of Mentor Graphics Corporation and subsidiaries as of January 31, 2010 and 2009, and the related consolidated statements of operations, stockholders equity, and cash flows for each of the years in the three-year period ended January 31, 2010, the related consolidated financial statement schedule, and the effectiveness of internal control over financial reporting as of January 31, 2010, which reports appear in the January 31, 2010 annual report on Form 10-K of Mentor Graphics Corporation.
Our report on the consolidated financial statements refers to the Companys change in its method of accounting for its 6.25% Convertible Subordinated debentures due to the retrospective adoption of new accounting requirements issued by the Financial Accounting Standards Board, as of February 1, 2009.
/s/ KPMG LLP
Portland, Oregon
March 17, 2010