Best Lock Corporation v. Ilco Unican Corporation
Court of Appeals for the Federal Circuit
1Opinion of the Court
*1564LOURIE, Circuit Judge.
Best Lock Corporation appeals from the final decision of the United States District Court for the Southern District of Indiana in which the court held that Best Lock’s U.S. Design Patent 327,636 was invalid. Best Lock Corp. v. Ilco Unican Corp., 896 F.Supp. 836, 36 USPQ2d 1527 (S.D.Ind.1995). Because the court did not clearly err in finding that the claimed design was functional and hence not ornamental, we affirm.
BACKGROUND
This case involves a design patent for a key “blade.” A typical key consists of a bow, which allows the user to turn the key in a corresponding lock,…
2Cases cited6 opinions
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- L.A. Gear, Inc., Plaintiff/cross-Appellant v. Thom McAn Shoe Company and Melville Corporation and Pagoda Trading Company, Inc.Court of Appeals for the Federal Circuit · 1993
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