Rooted in the principle of fairness, the doctrine of assignor estoppel generally prevents an inventor, who had previously assigned their patent rights to another for value, from later contesting the ...
David McCombs and Jonathan Bowser of Haynes Boone examine a recent Federal Circuit decision holding that IPR estoppel does ...
Jim Brogan, Brian Eutermoser and Janna Fischer discuss the ways that the unsuccessful IPR petitioner at the Patent Trial and Appeal Board still can challenge validity in subsequent district court ...