It was a bad week for Denon Electronics, LLC and its HEOS line of wireless multiroom audio systems. The D&M Holdings unit, now owned by Sound United, was sued by Sonos in 2014 on four patent infringement claims. In December 2017, the jury ruled against Denon on three of those claims, ordering the company to pay Sonos $2 million for past breaches dating back to the HEOS product launch in 2014 through December 2016. Continue reading “Sonos Defeats Denon HEOS Again: Understanding the Patent Lawsuits”