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GENERAL MOTORS CORP. v. TOYOTA MOTOR CO., LTD.

Nos. 79-3219, 79-3220.

667 F.2d 504 (1981)

GENERAL MOTORS CORPORATION, Plaintiff-Appellant Cross-Appellee, v. TOYOTA MOTOR COMPANY, LTD., Toyota Motor Sales Company, Ltd., and Mid-Eastern Toyota Distributors, Inc., Defendants-Appellees Cross-Appellants.

United States Court of Appeals, Sixth Circuit.

Decided December 3, 1981.

Certiorari Denied April 19, 1982.

Attorney(s) appearing for the Case

Gilbert Henderson, Biebel, French & Nauman, Dayton, Ohio, Frederick M. Ritchie, George E. Frost, Detroit, Mich., for plaintiff-appellant cross-appellee.

Paul J. Winterhalter, Pickrel, Schaeffer & Ebeling, Dayton, Ohio, Hugh A. Chapin, Kenyon & Kenyon, Edward W. Greason, Arthur D. Gray, New York City, for defendants-appellees cross-appellants.

Before WEICK and ENGEL, Circuit Judges, and PECK, Senior Circuit Judge.

Certiorari Denied April 19, 1982. See 102 S.Ct. 1994.

PECK, Senior Circuit Judge.

The primary issue on appeal is the correctness of the trial court's conclusion that claims five through eight of General Motors' patent on a type of catalytic converter are invalid, under 35 U.S.C. § 103, for obviousness.

General Motors (GM) sued Toyota alleging infringement of U.S. Patent number 3,852,041 ("the '041 patent...

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