Intellectual Property Bulletin - Summer 2021
JD Supra Law
AUGUST 26, 2021
In This Issue - Assignor Estoppel: When Are Inventors Allowed to Attack Their Own Inventions? Hologic, the Supreme Court recently upheld the patent-law doctrine of assignor estoppel—which bars the inventor assignor of a patent from denying the validity of their previously assigned patent—but the Court did rein the doctrine in.
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