Hologic, Inc. v. Minerva Surgical, Inc., No. 19-2054 (Fed. Cir. Aug. 11, 2022)

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

This case comes to us on remand from the Supreme Court. The Court vacated our judgment affirming the dis- trict court’s summary judgment of no invalidity for claim 1 of U.S. Patent No. 9,095,348 in favor of Hologic, Inc. and Cytyc Surgical Products, LLC (collectively, “Hologic”) based on the doctrine of assignor estoppel. The Supreme Court held that assignor estoppel remains a valid doctrine, but that it comes with limits . The Court remanded for us to consider whether assignor estoppel , as limited, pre- cludes Minerva Surgical, Inc.