The University of Minnesota won a US appeals court ruling Thursday upholding parts of a patent related to errors recorded in computer storage devices, a boon for its infringement claims against Broadcom Inc.’s LSI Corp.

A federal judge finalized an order Wednesday that loosens Bausch Health Cos.’ grip on Xifaxan, finding that the drugmaker’s intellectual property rights don’t cover use of the drug to treat irritable bowel syndrome with diarrhea.

Koss Corp. is vying to save one of its patents for wireless earphones and headphones that has been at the center of its infringement suits against Apple Inc. over its AirPods wireless earbuds.

Minerva Surgical Inc. can’t challenge the validity of one of Hologic Inc.'s patents because Minerva’s founder was the inventor and previously worked for Hologic, the Federal Circuit ruled Thursday in a case remanded from the US Supreme Court.

The speed with which Walt Disney Studios dispatched a trademark and right-of-publicity suit over “Toy Story 4" by the heirs of late stuntman Evel Knievel received scrutiny from the Ninth Circuit at oral arguments Wednesday.

Jason Peltz runs a law firm that makes its name handling major trials for the country’s biggest companies. With many courtrooms closed and trials indefinitely postponed, the past two-plus years have been a test for Peltz and the nearly 80 lawyers at Chicago-based Bartlit Beck.

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.”