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The article reports on the acquisition battle between Mentor Graphics Corp. and Cadence Design Systems Inc. which is similar to the Microsoft Corp.-Yahoo Inc. battle for control in the U.S. After about two months of talks, Cadence Design quickly launched a bid for Mentor Graphics for $1.6 billion which was rebuffed by Mentor. Differences in details between the two deals may not matter much, however, the egos at play matter which might affect the electronic design automation market.

Presents news briefs concerning electronics companies as of August 5, 2002. Inclusion of accounting problems of HPL Technologies Inc.; Patent infringement lawsuit filed by Mentor Graphics Corp. against Cadence Design Systems Inc.; Skyworks Solutions Inc.'s transfer of its indium gallium phosphide production line to Newbury Park, California.

Reports on the dismissal of the patent infringement lawsuit filed by Aptix Corp. and Mentor Graphics' Meta division against Cadence Design Systems' Quickturn division. Result of the patent struggle between Mentor and Quickturn; Accusation against Amr Mohsen, president and chief executive of Aptix Corp.; Lawsuit filed by Quickturn against Mentor in Europe.

Provides information on the lawsuit filed by Mentor Graphics against Cadence Design Systems and Quickturn Design Systems. Efforts of Mentor to stop the merger of Cadence and Quickturn; Marketing problems of Quickturn's integrated circuit emulation systems; Allegations of Mentor.

Reports on the lawsuits filed by Mentor Graphics (MG) against Quickturn and Cadence Design Systems (CDS). Reaction to the decision of Quickturn to merge with CDS; Allegation on the breach of fiduciary duties in adopting a poison pill amendment; Speculations on the face-saving tactic of MG.

This article states that Cadence Design Systems, Magma Design Automation, Mentor Graphics and Altera jointly filed a countersuit against Vanguard Systems and venture capitalist Narpat Bhandari over a patent involving simulation and emulation. The complaint, filed in U.S. District Court for the Northern District of California, brings together a motley mix of co-defendants. It presents information on the issue involving the patent.

Reports on the settlement of the patent case between Cadence Design Systems Inc. and Mentor Graphics Corp. Background of the case; Terms of the settlement; Value of the settlement fee paid by Mentor.

Focuses on the decision of the federal court jury in San Francisco, California on the case filed by Mentor Graphics Corp. against Quickturn Design Systems, a Cadence Design Systems Inc. subsidiary. Facts of the case; Allegations of Mentor Graphics Corp. against Quickturn; Response of Cadence Design Systems Inc. to the decision.

Focuses on the ruling of the U.S. District Court for the Northern District of California on a patent infringement case filed by Mentor Graphics against Cadence Design Systems. Claims of Mentor Graphics against the Mercury and Mercury Plus emulator products of Cadence Design Systems; Expectations of Herscher on the case.1