Legal Opinion

Empire Iron Works, Inc. v. Defender, Inc.

District Court, E.D. Michigan

Decided July 24, 1997No. 93-CV-74289-DTPublished

1Opinion of the Court

MEMORANDUM OPINION AND ORDER

HOOD, District Judge.

INTRODUCTION

Plaintiff Empire Iron Works, Inc. (“Empire”) brought this action against its competitor, Defendant Defender, Inc. (“Defender”) alleging that Defender was infringing Em*930pire’s rights under United States Patent No. 4,644,688. Empire produces a patented security door which allows a homeowner to escape from a residence in the event of fire or other emergency. This door is the subject of the lawsuit. The matter proceeded to a bench trial. The Court here makes the following findings of fact and conclusions of law.

JURISDICTION

This Court has…

2Cases cited20 opinions

  1. Herbert Markman and Positek, Inc. v. Westview Instruments, Inc. And Althon Enterprises, Inc.Court of Appeals for the Federal Circuit · 1995
  2. Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
  3. Warner-Jenkinson Co. v. Hilton Davis Chemical Co.Supreme Court of the United States · 1997
  4. The Read Corporation and F.T. Read & Sons, Inc. v. Portec, Inc., D/B/A Portec/kolberg DivisionCourt of Appeals for the Federal Circuit · 1992
  5. Smithkline Diagnostics, Inc. v. Helena Laboratories Corporation, Defendant/cross-AppellantCourt of Appeals for the Federal Circuit · 1989

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