Google v. Sonos (Fed. Cir., August 28, 2025) 2024-1097 non-precedential

This non-precedential decision concerns a patent dispute between Google LLC and Sonos, Inc. The United States Court of Appeals for the Federal Circuit reviewed a previous judgment from the U.S. District Court for the Northern District of California. The appeal primarily addresses the validity and enforceability of several Sonos patents related to media playback systems, specifically the "Zone Scene" patents (U.S. Patent 10,469,966 and 10,848,885) and the "Direct Control" patent (U.S. Patent 10,779,033). The court reversed parts of the district court's decision, particularly regarding the invalidity and unenforceability of the Zone Scene patents due to lack of written description and prosecution laches. However, the appeals court affirmed the district court's judgment that the Direct Control patent was invalid due to obviousness.

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