Sonos has filed another patent lawsuit against Google, alleging that giant search infringes five wireless patents across the Nest and Chromecast product line. The move comes on the eve of Google's hardware hardware event on September 30, with the announcement of the Chromecast and Nest smart speaker and new Pixel phones. Sonos filed its first patent lawsuit against Google in January in a California court and the International Trade Commission; The state lawsuit was suspended while the ITC reached a decision on whether to block Google products that allegedly violated market rules. The new lawsuit was filed only in a federal court in the Western District of Texas - a recent patent for a patent case - and it represents an aggressive approach from Sonos. "We think it's important to show the depth and breadth of Google's copy," said Eddie Lazarus, a law officer at Sonos. "We showed them the 100 patent charts which we said were infringing, all to no avail." G...