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Structure or Function? AbbVie Deutschland GmbH & Co. v. Janssen Biotech, Inc. and the Federal Circuit’s Structure-Function Analysis of Functionally Defined Genus Claims Under Section 112’s Written Description Requirement

I. Introduction On July 1, 2014, in AbbVie Deutschland GmbH & Co. v. Janssen Biotech, Inc.,[ref]759 F.3d 1285 (Fed. Cir. 2014).[/ref] the Court of Appeals for the Federal Circuit affirmed a district court’s decision invalidating the claims of two antibody patents...