Legal Opinion
Haynes International, Inc. v. Jessop Steel Company
Court of Appeals for the Federal Circuit
Decided February 25, 1994No. 91-1410PublishedCited by 89 opinions
1Opinion of the Court
PLAGER, Circuit Judge.
This is a patent infringement case, involving infringement under the doctrine of equivalents. Haynes International, Inc. (Haynes) appeals the final decision of the United States District Court for the Western District of Pennsylvania (Civil Action No. 87-2717) entered on June 14, 1991. The district court granted Jessop Steel Company’s (Jes-sop) motion for summary judgment of non-infringement of U.S. Patent No. 4,533,414 (the ’414 patent), both literally and under the doctrine of equivalents, and granted its request for attorney fees. Haynes only appeals the judgment on…
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