Legal Opinion
Envirotech Corp. v. Westech Engineering, Inc.
District Court, D. Utah
Decided May 18, 1989No. Civ. 86-C-0671APublishedCited by 1 opinion
1Opinion of the Court
MEMORANDUM OPINION
(Under Rule 52(a) — In Lieu of Findings of Fact and Conclusions of Law)
ALDON J. ANDERSON, Senior District Judge.
The defendants in this patent infringement action maintain that the plaintiffs patent is invalid because the invention it covers was “on sale” more than a year before the date on which the patent application was filed. The defendants raised this issue of “on sale” bar by way of a motion for partial summary judgment. The court heard argument on the motion on January 18, 1989 and determined, with the parties’ consent, that an evidentiary hearing should be held.
The…
2Cases cited10 opinions
- Barmag Barmer Maschinenfabrik Ag v. Murata MacHinery Ltd., and Murata of America, Inc.Court of Appeals for the Federal Circuit · 1984
- King Instrument Corporation, Plaintiff-Appellant/cross-Appellee v. Otari Corporation, Defendant-Appellee/cross-AppellantCourt of Appeals for the Federal Circuit · 1985
- Umc Electronics Company v. The United States, Cross-AppellantCourt of Appeals for the Federal Circuit · 1987
- Buildex Incorporated v. Kason Industries, Inc.Court of Appeals for the Federal Circuit · 1988
- Timely Products Corporation, Raphael J. Costanzo v. Stanley ArronCourt of Appeals for the Second Circuit · 1975
5 more not listed; retrieve them via the Exa API.
3Cited by1 opinion
- Envirotech Corporation D/B/A Eimco Process Equipment Company v. Westech Engineering Incorporated, James v. Larsen and Lowell L. PalmCourt of Appeals for the Federal Circuit · 1990