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Sonos, Sound United Settle Patent Spat

Vista-based Sound United, the parent firm of audio brands Denon, Marantz, Polk Audio, Definitive Technology, HEOS, Boston Acoustics and ClasseAudio, says it has settled all of the patent infringement litigation between the company and Santa Barbara-based Sonos. Sound United--the audio division of DEI Holdings--said the settlement includes an upcoming case filed against Sonos by Denon. Terms of the settlement are confidential. Both companies make speakers and home audio systems. The settlement comes as Sonos is reportedly prepping for an IPO filing. Sonos did not say if the settlement is related to that expected filing.