Legal Opinion

Aptix Corp. v. Quickturn Design Systems, Inc.

Court of Appeals for the Federal Circuit

Decided November 5, 2001No. Nos. 00-1468, 00-1469PublishedCited by 14 opinions

1Opinion of the Court

RADER, Circuit Judge.

On June 14, 2000, the United States District Court for the Northern District of California dismissed the patent infringement complaint of Aptix Corporation and Meta Systems, Inc., after ruling that Ap-tix’s United States Patent No. 5,544,069 ('069 patent) is unenforceable. The trial court refused to enforce the '069 patent because Aptix submitted falsified engineering notebooks to the court.

Because substantial evidence supports the district court’s finding of unclean hands, this court affirms the district court’s dismissal of Aptix from the suit. Furthermore, because…

2Cases cited22 opinions

  1. Chambers v. Nasco, Inc.Supreme Court of the United States · 1991
  2. Roadway Express, Inc. v. PiperSupreme Court of the United States · 1980
  3. Hutto v. FinneySupreme Court of the United States · 1979
  4. Baxter v. PalmigianoSupreme Court of the United States · 1976
  5. Mertens v. Hewitt AssociatesSupreme Court of the United States · 1993

17 more not listed; retrieve them via the Exa API.

3Cited by14 opinions

  1. In Re Napster, Inc. Copyright LitigationDistrict Court, N.D. California · 2006
  2. Cat3, LLC v. Black Lineage, Inc.District Court, S.D. New York · 2016
  3. Regeneron Pharmaceuticals, Inc. v. Merus N.V.Court of Appeals for the Federal Circuit · 2017
  4. Mag Instrument, Inc. v. JS Products, Inc.District Court, C.D. California · 2008
  5. Competitive Technologies v. Fujitsu Ltd.District Court, N.D. California · 2003

9 more not listed; retrieve them via the Exa API.

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