Legal Opinion

Merck & Co., Inc. v. Danbury Pharmacal, Inc.

Court of Appeals for the Federal Circuit

Decided May 2, 1989No. 89-1046PublishedCited by 122 opinions

1Opinion of the Court

MARKEY, Chief Judge.

Merck & Co., Inc. (Merck) appeals from a judgment of the United States District Court for the District of Delaware (Schwartz, C.J.), 694 F.Supp. 1 (D.Del.1988), holding its U.S. Patent No. 3,882,246 (’246) unenforceable because of inequitable conduct. We affirm.

BACKGROUND

Presuming familiarity with Chief Judge Schwartz' comprehensive opinion, we describe here only the basic procedural facts and those particularly relevant to Merck’s arguments on appeal.

Merck’s ’246 patent claims a method of using cyclobenzaprine to treat certain types of skeletal muscle disorders. The ’246…

2Cases cited7 opinions

  1. Kingsdown Medical Consultants, Ltd. And E.R. Squibb & Sons, Inc. v. Hollister IncorporatedCourt of Appeals for the Federal Circuit · 1988
  2. Fmc Corporation v. The Manitowoc Company, Inc.Court of Appeals for the Federal Circuit · 1987
  3. Specialty Composites, Plaintiff/cross-Appellant v. Cabot Corp.Court of Appeals for the Federal Circuit · 1988
  4. Kansas Jack, Inc., Appellant/cross-Appellee v. Charles J. Kuhn and Kuhn Manufacturing Company, Inc., Appellees/cross-AppellantsCourt of Appeals for the Federal Circuit · 1983
  5. Ppg Industries, Inc. v. Celanese Polymer Specialties Co., Inc.Court of Appeals for the Federal Circuit · 1988

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3Cited by122 opinions

  1. Molins Plc, and John Coventry Smith, Jr. v. Textron, Inc., Kearney & Trecker Corporation, and Avco CorporationCourt of Appeals for the Federal Circuit · 1995
  2. Paragon Podiatry Laboratory, Inc. v. Klm Laboratories, Inc.Court of Appeals for the Federal Circuit · 1993
  3. Labounty Manufacturing, Inc. v. United States International Trade Commission, Dudley Shearing MacHine Manufacturing Co., Ltd., Intervenor-AppelleeCourt of Appeals for the Federal Circuit · 1992
  4. Gambro Lundia Ab v. Baxter Healthcare Corporation Defendant/cross-AppellantCourt of Appeals for the Federal Circuit · 1997
  5. Bruno Independent Living Aids, Inc. v. Acorn Mobility Services, Ltd., and Acorn Stairlifts, Inc., Defendants-CrossCourt of Appeals for the Federal Circuit · 2005

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