On July 18, 2025, the U.S. Court of Appeals for the Federal Circuit reversed a $106 million jury verdict in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, No. 2023-2153, finding that Colibri’s infringement claim under...more
The doctrine of equivalents (DOE), a creation of the Supreme Court in Graver Tank & Mfg. v. Linde Air Products (1950), is balanced by the concept of prosecution history estoppel (PHE), the contours of which were delineated...more