assignor-estoppel

2 cases — ← All topics

Case Title Lower Court Docketed Status Flags Tags Question Presented
20-631 Hologic, Inc., et al. v. Minerva Surgical, Inc. Federal Circuit 2020-11-10 Denied administrative-proceedings america-invents-act assignor-estoppel collateral-estoppel infringement-litigation patent-infringement patent-office patent-validity The question presented is whether an assignor of a patent may circumvent the doctrine of assignor estoppel by challenging the validity of the assigned…
20-440 Minerva Surgical, Inc. v. Hologic, Inc., et al. Federal Circuit 2020-10-06 Judgment Issued Amici (12)Relisted (2) 35-usc-282 assignor-estoppel due-process judicial-doctrine patent patent-infringement patent-invalidity patent-law statutory-interpretation In the Patent Act, Congress established that invalidity is a "defense[] in any action involving the validity or infringement of a patent." 35 U.S.C. §…