Legal Opinion

Coal Processing Equipment, Inc. v. Campbell

District Court, S.D. Ohio

Decided August 7, 1981No. C-1-78-0161PublishedCited by 5 opinions

1Opinion of the Court

OPINION

DAVID S. PORTER, Senior District Judge:

PROCEDURAL POSTURE

This action concerns United States Patent No. 3,926,787 [the “Gay patent”], now owned by defendant Bobby C. Campbell. Plaintiff Coal Processing Equipment, Inc. [“CPE”] filed this action on March 24, 1978, asking in its complaint (doc. 1) for a declaratory judgment that the Gay patent is invalid and uninfringed, for damages on a claim of common law unfair competition, and for attorney fees pursuant to 35 U.S.C. § 285. Along with its complaint CPE filed a petition for a temporary order (doc. 2) enjoining Campbell from interfering…

2Cases cited55 opinions

  1. Alyeska Pipeline Service Co. v. Wilderness SocietySupreme Court of the United States · 1975
  2. Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
  3. Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
  4. Precision Instrument Manufacturing Co. v. Automotive Maintenance MacHinery Co.Supreme Court of the United States · 1945
  5. McClain v. OrtmayerSupreme Court of the United States · 1891

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

3Cited by5 opinions

  1. MacHinery Corporation of America v. Gullfiber Ab, Gullfiber International and Marvin SchneiderCourt of Appeals for the Federal Circuit · 1985
  2. In Re Lee Way Holding Co.United States Bankruptcy Court, S.D. Ohio · 1990
  3. Elkhart Brass Manufacturing Co. v. Task Force Tips, Inc.District Court, N.D. Indiana · 1994
  4. Bonfiglioli USA, Inc. v. Midwest Engineered Components, Inc.District Court, E.D. Kentucky · 2025
  5. Fasco Industries, Inc. v. Armbruster Products, Inc.District Court of Appeal of Florida · 1994

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