Legal Opinion
Medtronic, Inc., and Med-Rel, Inc. v. Cardiac Pacemakers, Inc.
Court of Appeals for the Federal Circuit
Decided November 23, 1983No. Appeal 83-820PublishedCited by 106 opinions
1Opinion of the Court
MARKEY, Chief Judge.
Appeal from a judgment of the District Court of Minnesota holding U.S. Patents 3,391,697 (Greatbatch), 3,833,005 (Wingrove) and 3,901,247 (Walmsley) invalid, and finding no infringement. We modify and affirm.
Background
Medtronic, Inc. and Med-Rel, Inc. (Med-tronic) own the asserted patents directed to implantable cardiac pacemakers. Great-batch describes and claims a pacemaker which is “runaway inhibited”, i.e., one that does not stimulate the heart above a predetermined rate. Wingrove describes and claims a digital programmable pacemaker which can be reprogrammed by radio…
2Cases cited24 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- 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
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3Cited by106 opinions
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- Envirotech Corporation v. Al George, Incorporated and Monosep, Inc.Court of Appeals for the Federal Circuit · 1984
- Panduit Corporation v. Dennison Manufacturing Co.Court of Appeals for the Federal Circuit · 1987
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