December 15, 2017
A federal jury in Delaware awarded Sonos Inc. nearly $2 million in damages and royalties Friday after concluding that Denon Electronics LLC infringed three Sonos audio control patents when it developed and began selling a competing high-end HEOS wireless speaker line.
December 11, 2017
An attorney for wireless speaker maker Sonos Inc. told a Delaware jury Monday that competitor Denon Electronics infringed its patents to advance its own hoped-for "Sonos killer" sound systems at the opening of a weeklong bellwether federal court trial in Delaware.
October 23, 2017
A judge on Monday sided with speaker manufacturer Sonos in determining what kinds of wireless speaker patents will be the focus of an upcoming trial against rival Denon in Delaware federal court, saying that Sonos' choices would be less "cumbersome" for proceedings in which multiple patents are at stake.
October 20, 2017
An upcoming trial over patents for wireless home audio systems will be impossibly unwieldy if it includes all three patents that home audio giant Sonos wants to include, rival Denon told a Delaware federal court on Friday, saying Sonos flouted explicit instructions from the judge.
March 15, 2017
Audio equipment manufacturer D&M Holdings Inc. has lost a challenge to four Sonos Inc. patents that it has been accused of infringing, after a Delaware federal judge ruled that the patents are not invalid under the U.S. Supreme Court's Alice decision.