Sonos Files Patent Suit over Denon’s Heos System [TWICE]

Sonos filed a patent-infringement lawsuit against D+M Group over the Heos wireless multiroom-audio system launched earlier this year by Denon. Sonos also complained about copy-cat marketing.
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Sonos filed a patent-infringement lawsuit against D+M Group over the Heos wireless multiroom-audio system launched earlier this year by Denon.

In its suit in U.S. District Court in Delaware, Sonos also complained that Denon “copied various aspects of Sonos’s marketing and branding,” but Sonos didn’t sue over those complaints. And in a blog post, Sonos co-founder and general counsel Craig Shelburne complained that “several companies have entered the wireless home audio space with product features, designs and messaging strikingly similar to Sonos, without truly moving the experience forward in any way.”

Sonos, however, filed a suit only against D+M, which did not respond to a request for comment by posting time.

The suit, which cites three technology patents and one design patent, seeks a preliminary and permanent injunction to prevent further infringement, damages for lost royalties, and treble damages for any infringement found to be willful. The suit, which seeks a trial by jury, didn’t specify an amount.

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