Masimo Corp. failed to convince a California federal judge to lift a stay on infringement claims regarding two patents that survived Apple Inc.’s challenges of their validity, part of a heated battle over technologies for health monitoring Masimo alleges were used without permission in the Apple Watch.

The US Patent and Trademark Office’s new trademark examination guidance could lead to more refusals of trademark registrations for being generic, attorneys say.

Meta Platforms Inc. is seeking an early win in a proposed class action copyright suit, arguing that it can’t be held liable for advertising scams on Facebook that use unauthorized copyrighted images because its protected by the “safe harbor” provision of the Digital Millennium Copyright Act.

EcoFactor Inc. plans to appeal a February jury verdict that ordered Google LLC to pay $20 million for infringing a patent covering energy management with its Nest thermostats, but cleared the tech giant of liability for infringing another and knocked out parts of a third.

An administrative patent tribunal threw out three patents covering wireless earbuds with charging cases, lending Samsung Electronics Co. an upper hand in a related infringement case in federal district court.

Gilead Sciences Inc. and Eli Lilly & Co. allege that a generic version of Gilead’s Zydelig proposed by Natco Pharma Ltd. infringes five patents for the leukemia treatment, according to a federal lawsuit in Delaware.

Bayer Intellectual Property GmbH convinced an administrative tribunal to reject a challenge to its patent protecting the Seresto flea and tick collars for pets, beating a challenge from PetIQ Inc.