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Federal Circuit Upholds Fentora Patents, But Affirms Non-Infringement

Posted in Enablement; Federal Circuit Decisions

In Cephalon, Inc. v. Watson Pharmaceuticals, Inc., the Federal Circuit reversed the district court’s finding that two Orange Book-listed patents for Cephalon’s FENTORA® product were invalid, but affirmed the district court’s finding that Watson’s ANDA product would not infringe the patents. The Federal Circuit decision reviews the “undue experimentation” standard for lack of enablement, and underscores the importance of aligning evidence of infringement with the governing claim construction.Continue reading this entry