Federal Circuit Says Patent Preamble Not Limiting By Debbie Rosenbaum – Edited by Jad Mills Marrin v. Griffin, Appeal 2009-1031 (Fed. Cir., Mar. 22, 2010) Slip Opinion On March 22, 2010, the Federal Circuit affirmed the district court’s summary judgment that U.S. Patent No. 5,154,448, which related to a beverage cup scratch-off label, was invalid because it was anticipated under 35 U.S.C. § 102(b). Judge Dyk, writing for the majority held that the use recited in the preamble, namely that ...
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