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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.

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 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

Reports on the lawsuit filed by Mentor Graphics Corp. subsidiary Ikos Systems against Cadence Design Systems Inc. in a U.S. district court for alleged patent infringement by Cadence subsidiary Quickturn. Hardware emulation system infringed by Cadence; Reason behind the proliferation of lawsuits in the emulation industry; Impact of the lawsuit on the industry; Reaction of a Cadence executive to the lawsuit.

Reports that Avant! Corp. and Cadence Design Systems have been ordered by United States District Judge Donald Whyte to schedule a settlement conference or mediation in regard to the patent infringement litigation between the companies. How Cadence views the order by Whyte; Details on Whyte's order.