Supreme Court May Be Stuck With Patent Doctrine It Never Developed
The justices sounded disinclined Wednesday to throw out the doctrine of assignor estoppel. But there seemed to be no shortage of ideas for modifying it.
April 21, 2021 at 04:30 PM
6 minute read
(L-R) Sidley's Robert Hochman and Arnold & Porter's Matthew Wolf. Courtesy photos The devil is going to be in the details when it comes to patent law's doctrine of assignor estoppel.
The U.S. Supreme Court did not sound inclined to heed calls Wednesday to abolish the doctrine, which says that an inventor can't sell patent rights and then turn around and attack their validity in court.
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