Exhibit 23.1


               Consent of Independent Certified Public Accountants

The Board of Directors and Stockholders
Mentor Graphics Corporation:


We consent to incorporation by reference herein of our reports dated May 24,
2002, relating to the consolidated balance sheets of Mentor Graphics
Corporation and subsidiaries as of December 31, 2001 and 2000, and the related
consolidated statements of operations, stockholders' equity and cash flows and
related schedule for each of the years in the three-year period ended December
31, 2001, which reports appear in the December 31, 2001 annual report on Form
10-K/A of Mentor Graphics Corporation, and the reference to our Firm under
the heading "Experts" in the prospectus.



/s/ KPMG LLP


Portland, Oregon
November 25, 2002