HOLOGIC, INC. v. MINERVA SURGICAL, INC.

2019-2054, 2019-2081.

44 F.4th 1358 (2022)

HOLOGIC, INC., Cytyc Surgical Products, LLC, Plaintiffs-Appellants v. MINERVA SURGICAL, INC., Defendant-Cross-Appellant.

United States Court of Appeals, Federal Circuit.

Decided: August 11, 2022.


Attorney(s) appearing for the Case

Matthew Wolf , Arnold & Porter Kaye Scholer LLP, Washington, DC, argued for plaintiffs-appellants. Also represented by Marc A. Cohn , Jennifer Sklenar .

Robert N. Hochman , Sidley Austin LLP, Chicago, IL, argued for defendant-cross-appellant. Also represented by Caroline A. Wong ; Jillian Stonecipher , Washington, DC; Vera Elson , Wilson Sonsini Goodrich & Rosati, PC, Palo Alto, CA; Olivia M. Kim , Edward Poplawski , Los Angeles, CA.

Before Stoll, Clevenger, and Wallach, Circuit Judges.


This case comes to us on remand from the Supreme Court. The Court vacated our judgment affirming the district 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...

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