The U.S. Court of Appeals for the Federal Circuit (CAFC) on Wednesday reversed in part, vacated in part, and remanded a final ...

The Federal Circuit recently vacated a summary judgment ruling of invalidity, holding that the district court erred in applying preclusive effect to the Patent Trial and Appeal Board’s unpatentability ...

Kenneth G. Schwarz writes: Res judicata, or claim preclusion, is frequently used in the same breath as collateral estoppel, or issue preclusion. But while the two doctrines arise out of a desire to ...

Usually, when an issue is actually considered and resolved after a full and fair opportunity to litigate, the doctrine of issue preclusion can bar the losing party from relitigating the issue in ...