Legal Opinion
The Perkin-Elmer Corporation v. Westinghouse Electric Corporation
Court of Appeals for the Federal Circuit
Decided June 24, 1987No. Appeal 86-646PublishedCited by 165 opinions
1Opinion of the Court
MARKEY, Chief Judge.
Appeal from a judgment of the United States District Court for the Eastern District of New York. The district court found that Westinghouse’s accused devices do not infringe claim 1 under the doctrine of equivalents. Unable to view that finding as clearly erroneous under Fed.R.Civ.P. 52(a), we affirm.
I
Perkin-Elmer sued Westinghouse for infringing its U.S. Patent No. 3,873,884 (the ’884 patent) on an invention of Fred C. Gabriel (Gabriel), entitled “Electrodeless Discharge Lamp and Power Coupler Therefor”. A nonjury trial on the issues of patent infringement and validity…
2Cases cited13 opinions
- Anderson v. City of Bessemer CitySupreme Court of the United States · 1985
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Sri International v. Matsushita Electric Corporation of America and Matsushita Electric Industrial Co., Ltd.Court of Appeals for the Federal Circuit · 1985
- Loctite Corporation, Appellant/cross-Appellee v. Ultraseal Ltd., Appellees/cross-AppellantsCourt of Appeals for the Federal Circuit · 1985
- Hughes Aircraft Company v. The United StatesCourt of Appeals for the Federal Circuit · 1983
8 more not listed; retrieve them via the Exa API.
3Cited by165 opinions
- Exergen Corp. v. Wal-Mart Stores, Inc.Court of Appeals for the Federal Circuit · 2009
- Pennwalt Corporation, Appellant/cross-Appellee v. Durand-Wayland, Inc., Appellee/cross-AppellantCourt of Appeals for the Federal Circuit · 1987
- Athletic Alternatives, Inc. v. Prince Manufacturing, Inc.Court of Appeals for the Federal Circuit · 1996
- Charles C. Johnston and Gordon P. Ramsey, as Trustees of the Amec Liquidating Trust v. Ivac CorporationCourt of Appeals for the Federal Circuit · 1989
- Hilton Davis Chemical Co. v. Warner-Jenkinson Company, Inc.Court of Appeals for the Federal Circuit · 1995
160 more not listed; retrieve them via the Exa API.