Japanese animation studio Khara Inc., best known for its “Rebuild of Evangelion” films, is suing several “online counterfeiters” for selling clothing and other goods that infringe its trademarks tied to the anime series “Neon Genesis Evangelion.”

Patent owners seeking to correct errors in already-issued patents can’t broaden their claims to matters they gave up during the application process, the Federal Circuit ruled Wednesday.

The US Patent Trial and Appeal Board declined to review a patent related to digital gaming competition platforms that had already been invalidated by a California federal court in an infringement dispute between Skillz Platform Inc. and AviaGames Inc.

Oprah Winfrey is seeking to protect the trademark rights of her famous brand and iconic “O” logo by shutting down an academic podcast incorporating her name in its nomenclature.

An administrative tribunal gutted a patent covering wireless earbud charging cases on Tuesday, handing Apple Inc. an edge in an infringement lawsuit over its AirPod and Powerbeats Pro wireless earbud charging cases.

A sound and lighting company can’t register a “smart bezel” trademark because it merely describes the product despite the company’s claims it’s not a bezel, the Trademark Trial and Appeal Board said.

A recent ruling opened the door for an administrative patent tribunal to wipe out certain Federal Circuit decisions, which may entice the full federal appeals court to grant a rare re-hearing request, attorneys said.