Assignor estoppel is “an equitable doctrine that prevents one who has assigned the rights to a patent (or patent application) from later contending that what was assigned is a nullity.” Makes sense, ...

The US Court of Appeals for the Federal Circuit reiterated that while assignor estoppel prevents a party that assigned a patent to another party from later challenging the validity of the assigned ...

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 ...

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 ...

“A retrospective change would mean a windfall for assignors and radically undercutting the return on the deal for a quarter century’s worth of assignees.” – Matthew Wolf, arguing for Hologic The U.S.

Now, nearly a century later, the Court ruled that it is time to narrow the scope of assignor estoppel. In its decision authored by Justice Elena Kagan, the Court concluded that assignor estoppel ...

The Federal Circuit recently found that assignor estoppel has “no place in IPR proceedings,” affirming a holding of the Patent Trials and Appeal Board (“Board”) that assignor estoppel did not bar ...

The US Supreme Court’s ruling in Minerva v Hologic might force R&D businesses to rethink their assignment policies and litigation strategies Counsel have mixed feelings on the US Supreme Court’s ...

(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 ...

Type to search articles, cases, and authors. Press ↵ to view all results. The Supreme Court on Tuesday issued its opinion in Minerva Surgical Inc. v. Hologic Inc. The case sought to abolish the ...