The Supreme Court on Tuesday narrowed the doctrine of patent assignor estoppel, which prohibits an inventor from assigning a patent to someone and then later contending in litigation that the patent ...

“’It is time for this court to consider en banc the doctrine of assignor estoppel as it applies both in district court and in the Patent Office’ in order to clarify this ‘odd and seemingly illogical ...

With the deadline for amicus briefs now passed, counsel set out why the US Supreme Court should or shouldn’t preserve assignor estoppel in Minerva v Hologic The deadline for filing amicus briefs in ...

“The status of the status quo is far from clear…. The Supreme Court has considered the applicability of assignor estoppel in only a handful of cases—none of them recent—and those precedents don’t ...

The doctrine of patent assignor estoppel is not found in the U.S. statute, but that omission has led to only limited litigation over the doctrine despite the notoriety of the case of Hologic v.

A person who assigns his or her patent to another may not later attack the validity of that patent in district court, under the doctrine of assignor estoppel. But an assignor may, under some ...

(Reuters) - The U.S. Supreme Court on Tuesday decided, opens new tab to limit the patent-law doctrine of assignor estoppel, which bars a party that assigns a patent from later arguing the patent is ...

The Supreme Court on Tuesday issued its opinion in Minerva Surgical Inc. v. Hologic Inc. The case sought to abolish the doctrine of patent assignor estoppel, which prohibits an inventor from ...