Sonos Nixes More Google Smart Speaker Patent Claims at Tribunal

Sonos Inc. persuaded an administrative tribunal to cancel all challenged claims of another Google LLC smart speaker patent weeks after it partially invalidated a related patent.

The majority of US Patent No. 11,024,311‘s claims are anticipated by a prior patent, rendering them unpatentabe, according to a Patent Trial and Appeal Board decision issued Thursday. The ‘311 patent relates to voice input technology used to enable voice assistants like Siri and Google Assistant.

• Sonos secured invalidation of the majority of Google’s US Patent No. 9,812,128 on March 15.
• The two parties have been involved in a years-long smart speaker dispute ...