On July 18, 2025, the US Court of Appeals for the Federal Circuit reversed a lower court ruling in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, holding that prosecution history estoppel barred the patentees’ doctrine...more
On July 8, the US Court of Appeals for the Federal Circuit issued a precedential opinion in Janssen Pharmaceuticals, Inc. et al. v. Teva Pharmaceuticals USA, Inc. affirming the district court’s finding that patent claims to a...more
On August 13, 2024, the US Court of Appeals for the Federal Circuit held in Allergan v. MSN that “a first-filed, first-issued, later-expiring claim” cannot be invalidated for obviousness-type double patenting (ODP) “by a...more