Assignor estoppel is officially dead at the Patent Trial and Appeal Board (PTAB). That's the equitable doctrine that forbids an inventor who sells his or her patent from then turning around and ...

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Doretha Clemons, Ph.D., MBA, PMP, has been a corporate IT executive and professor for 34 years. She is an adjunct professor at Connecticut State Colleges & Universities, Maryville University, and ...

We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...

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 ...

In his Patent and Trademark Law column, Rob Maier discusses the recent Supreme Court case 'Minerva Surgical v. Hologic,' and writes that "while the court rejuvenated the aging doctrine, it also ...

The U.S. Court of Appeals for the Federal Circuit (CAFC) today, in a precedential decision, revisited its 2020 holding that the doctrine of assignor estoppel bars Minerva Surgical, Inc. from ...

“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 ...

In Minerva Surgical v. Hologic, the U.S. Supreme Court limited the scope of the patent law concept of assignor estoppel in several key respects. Despite those limitations, assignor estoppel may remain ...

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 ...