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MENTOR GRAPHICS CORP. v. QUICKTURN DESIGN SYSTEMS

No. 97-1564.

150 F.3d 1374 (1998)

MENTOR GRAPHICS CORPORATION and Meta Systems, Inc., Plaintiffs-Appellants, v. QUICKTURN DESIGN SYSTEMS, INC., Defendant-Appellee.

United States Court of Appeals, Federal Circuit.

Rehearing and Suggestion for Rehearing Denied September 28, 1998.

Attorney(s) appearing for the Case

David A. York, Latham & Watkins, Menlo Park, California, argued for plaintiffs-appellants. With him on the brief was Sanjay Bhandari.

James W. Geriak, James C. Brooks, Lyon & Lyon LLP, Costa Mesa, California, argued for defendant-appellee. With him on the brief were Steven D. Hemminger, Lawrence R. LaPorte, and Jonathan T. Losk. Of counsel on the brief was Alan T. McCollom, Marger Johnson McCollom & Stolowitz, P.C., Portland, Oregon.

Before MAYER, Chief Judge, RADER, and BRYSON, Circuit Judges.

Rehearing and Suggestion for Rehearing En Banc Denied September 28, 1998.

RADER, Circuit Judge.

Mentor Graphics Corp. (Mentor) and Meta Systems, Inc. (Meta) sued Quickturn Design Systems, Inc. (Quickturn) for a declaratory judgment of invalidity and non-infringement of U.S. Patent No. 5,036,473 (the '473 patent). In a counterclaim, Quickturn alleged infringement. The United States District Court for the District of Oregon preliminarily enjoined Mentor and...

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