Legal Opinion
Key Manufacturing Group, Inc. v. Microdot, Inc.
Court of Appeals for the Federal Circuit
Decided March 15, 1991No. 90-1342PublishedCited by 38 opinions
1Opinion of the Court
RADER, Circuit Judge.
The United States District Court for the Eastern District of Michigan adjudged Microdot, Inc. (Microdot) liable for infringement of reexamined United States Patent No. B1-4,123,961 (’961 patent) owned by Key Manufacturing Group, Inc. (Key). The district court held that Microdot’s capped wheel nuts infringe the ’961 patent claims literally and under the doctrine of equivalents. Key Mfg. Group, Inc. v. Microdot, Inc., 15 USPQ2d 1195 (E.D.Mich.1990). This court reverses.
BACKGROUND
Both Key and Microdot manufacture capped wheel nuts used to attach a wheel to a car axle. The…
2Cases cited8 opinions
- Pennwalt Corporation, Appellant/cross-Appellee v. Durand-Wayland, Inc., Appellee/cross-AppellantCourt of Appeals for the Federal Circuit · 1987
- Moleculon Research Corporation v. Cbs, Inc.Court of Appeals for the Federal Circuit · 1986
- Wilson Sporting Goods Co. v. David Geoffrey & Associates D/B/A Slazenger, and Dunlop Slazenger Corporation AKA Dunlop Sports CorporationCourt of Appeals for the Federal Circuit · 1990
- Jerome H. Lemelson v. The United States, the Bendix Corporation and Brown & Sharpe Manufacturing Company, Third-PartyCourt of Appeals for the Third Circuit · 1985
- Bausch & Lomb, Inc. v. Barnes-Hind/hydrocurve, Inc., and Barnes-Hind International, Inc.Court of Appeals for the Federal Circuit · 1986
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3Cited by38 opinions
- Robert Conroy v. Reebok International, Ltd.Court of Appeals for the Federal Circuit · 1994
- The Laitram Corporation and Intralox, Inc. v. Rexnord, Inc.Court of Appeals for the Federal Circuit · 1991
- Intellicall, Inc. v. Phonometrics, Inc.Court of Appeals for the Federal Circuit · 1992
- Leonard R. Kahn v. General Motors CorporationCourt of Appeals for the Federal Circuit · 1998
- Enercon Gmbh and the New World Power Corporation v. International Trade Commission, and Zond Energy Systems, Incorporated, IntervenorCourt of Appeals for the Federal Circuit · 1998
33 more not listed; retrieve them via the Exa API.