Google Knocks Out Another Voice-Recognition Patent at Tribunal

Alphabet Inc.‘s Google LLC persuaded a US Patent and Trademark Office administrative tribunal to cancel a Parus Holdings Inc. speech-recognition system patent that underlies infringement litigation.

The tech giant sufficiently argued that US Patent No. 9,769,314 was obvious because a electrical engineering or computer science professional who had a couple years of experience with voice interfaces would’ve found the invention obvious in light of two prior patents, the Patent Trial and Appeal Board decided Monday.

Google has already succeed in invalidating four other Parus patents related to infringement lawsuits against Microsoft Corp., Apple Inc., and Samsung Electronics ...