SAN FRANCISCO: Sonos Inc and Alphabet`s Google LLC will face off in a San Francisco federal trial on Monday over claims that Google copied Sonos` patented smart-speaker technology in wireless audio devices like Google Home and Chromecast Audio.

The case is part of a sprawling intellectual property dispute between the former business partners that includes other lawsuits in the US, Canada, France, Germany and the Netherlands.

Sonos has asked the court for $90 million in damages from Google in the San Francisco case, down from $3 billion after district judge William Alsup narrowed the case.-Reuters