KEY MFG. GROUP, INC. v. MICRODOT, INC.

No. 90-1342.

925 F.2d 1444 (1991)

KEY MANUFACTURING GROUP, INC., Plaintiff-Appellee, v. MICRODOT, INC., Defendant-Appellant.

United States Court of Appeals, Federal Circuit.

Rehearing Denied March 15, 1991.


Attorney(s) appearing for the Case

Jerold I. Schneider, Spencer & Frank, Washington, D.C., argued, for plaintiff-appellee. With him on the brief was Catherine M. Voorhees.

Kenneth J. Jurek, Mayer, Brown & Platt, Chicago, Ill., argued, for defendant-appellant. With him on the brief was Rosanne J. Faraci.

Before PLAGER and RADER, Circuit Judges, and FRIEDMAN, Senior Circuit Judge.


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...

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