Google Says It Owns the Technology at Heart of Sonos Suit (1)

Alphabet Inc.’s Google said it’s the rightful owner of patents on ways to keep music playlists in the cloud that form a key component of a lawsuit Sonos Inc. filed over the Google Play Music system. Sonos called that contention “nonsense.”

Sonos, an early proponent of connected home speakers, has claimed that Google gained knowledge of the technology through a partnership to integrate Google Play into the Sonos platform, and then decided to sell its own product line and undercut Sonos on price.

In a court filing Tuesday, the Alphabet unit said “Google, not Sonos, conceived of the cloud ...