Legal Opinion

PerSeptive Biosystems, Inc. v. Pharmacia Biotech, Inc.

Court of Appeals for the Federal Circuit

Decided August 29, 2000No. 98-1325PublishedCited by 74 opinions

1Opinion of the Court

Opinion for the court filed by Circuit Judge CLEVENGER. Dissenting Opinion filed by Circuit Judge PAULINE NEWMAN.

CLEVENGER, Circuit Judge.

PerSeptive Biosystems, Inc. (“PerSep-tive”) appeals the judgment of the United States District Court for the District of Massachusetts, holding PerSeptive’s United States Patents Nos. 5,019,270 (“the ’270 patent”), 5,228,989 (“the ’989 patent”) and 5,384,042 (“the ’042 patent”) (collectively, “the patents”) unenforceable due to inequitable conduct before the United States Patent and Trademark Office (“PTO”). Because the district court correctly found that…

2Cases cited20 opinions

  1. United States v. United States Gypsum Co.Supreme Court of the United States · 1948
  2. Kingsdown Medical Consultants, Ltd. And E.R. Squibb & Sons, Inc. v. Hollister IncorporatedCourt of Appeals for the Federal Circuit · 1988
  3. Molins Plc, and John Coventry Smith, Jr. v. Textron, Inc., Kearney & Trecker Corporation, and Avco CorporationCourt of Appeals for the Federal Circuit · 1995
  4. Key Pharmaceuticals v. Hercon Laboratories CorporationCourt of Appeals for the Federal Circuit · 1999
  5. Paragon Podiatry Laboratory, Inc. v. Klm Laboratories, Inc.Court of Appeals for the Federal Circuit · 1993

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3Cited by74 opinions

  1. Digital Control v. The Charles MacHine Works (Also Known as Ditchwitch)Court of Appeals for the Federal Circuit · 2006
  2. Dayco Products, Inc. v. Total Containment, Inc.Court of Appeals for the Federal Circuit · 2003
  3. Kemin Foods, L.C. v. Pigmentos Vegetales Del Centro S.A. De C.V.Court of Appeals for the Federal Circuit · 2006
  4. Hoffmann-La Roche, Inc., and Roche Molecular Systems, Inc. v. Promega CorporationCourt of Appeals for the Federal Circuit · 2003
  5. Bristol-Myers Squibb Co. v. Rhone-Poulenc Rorer, Inc.Court of Appeals for the Federal Circuit · 2003

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