On April 22, 2020, the Federal Circuit "grappled," as the opinion put it, with the equitable doctrine of assignor estoppel in Hologic, Inc. v. Minerva Surgical, Inc., the Federal Circuit "grappled," as the opinion put it,...more
Assignor Estoppel Does Not Apply in the IPR Context - In Arista Networks, Inc. v. Cisco Systems, Inc., Appeal Nos. 2017-1525, 2017-1577, the Federal Circuit held that the plain language of 35 U.S.C. ยง 311(a) unambiguously...more
In a complex 42-page decision, the US Court of Appeals for the Federal Circuit addressed issues of assignor estoppel, claim indefiniteness, subject matter eligibility, claim preclusion, willfulness and lost profits damages...more