Legal Opinion
W.L. Gore & Associates, Inc., Appellant/cross-Appellee v. Garlock, Inc., Appellee/cross-Appellant
Court of Appeals for the Federal Circuit
Decided November 14, 1983No. 83-613, 83-614PublishedCited by 353 opinions
1Opinion of the Court
MARKEY, Chief Judge.
Appeal from a judgment of the District Court for the Northern District of Ohio holding U.S. Patents 3,953,566 (’566) and 4,187,390 (’390) invalid. We affirm in part, reverse in part, and remand for a determination of the infringement issue.
Background
Tape of unsintered polytetrafluorethy-lene (PTFE) (known by the trademark *1545TEFLON of E.I. du Pont de Nemours, Inc.) had been stretched in small increments. W.L. Gore & Associates, Inc. (Gore), assign-ee of the patents in suit, experienced a tape breakage problem in the operation of its “401” tape stretching machine. Dr. Robert…
2Cases cited34 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Pullman-Standard v. SwintSupreme Court of the United States · 1982
- Eibel Process Co. v. Minnesota & Ontario Paper Co.Supreme Court of the United States · 1923
- United States v. AdamsSupreme Court of the United States · 1966
- Stratoflex, Inc. v. Aeroquip CorporationCourt of Appeals for the Federal Circuit · 1983
29 more not listed; retrieve them via the Exa API.
3Cited by353 opinions
- Hybritech Incorporated v. Monoclonal Antibodies, Inc.Court of Appeals for the Federal Circuit · 1986
- Loctite Corporation, Appellant/cross-Appellee v. Ultraseal Ltd., Appellees/cross-AppellantsCourt of Appeals for the Federal Circuit · 1985
- Smithkline Diagnostics, Inc. v. Helena Laboratories Corporation, Defendant/cross-AppellantCourt of Appeals for the Federal Circuit · 1989
- Hybritech Incorporated v. Abbott LaboratoriesCourt of Appeals for the Federal Circuit · 1988
- Atlas Powder Company v. E.I. Du Pont De Nemours & Company and Alamo Explosives Company, Inc.Court of Appeals for the Federal Circuit · 1984
348 more not listed; retrieve them via the Exa API.