Legal Opinion
Brunswick Corporation v. Champion Spark Plug Company
Court of Appeals for the Seventh Circuit
Decided September 28, 1982No. 81-1957PublishedCited by 6 opinions
1Opinion of the Court
CUDAHY, Circuit Judge.
In this patent appeal, Brunswick Corporation (“Brunswick”) challenges the entry of a directed verdict in favor of defendant Champion Spark Plug Company (“Champion”) in a patent infringement suit. The district court, at the close of all the evidence, held Brunswick’s claimed patent to be invalid, on grounds of obviousness, under 35 U.S.C. § 103 (1976). We affirm.
FACTS
The patent in suit, No. 3,599,030, was granted on August 10, 1971, to Brunswick, as assignee of Daniel A. Armstrong, its Chief Staff Engineer. That patent, which we shall refer to for brevity as the “030…
2Cases cited26 opinions
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3Cited by6 opinions
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- Badalamenti v. Dunham's, Inc.District Court, E.D. Michigan · 1988
- Hycor Corp. v. Schlueter Co.District Court, W.D. Wisconsin · 1983
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