In Epic Legal Battle with Sonos, D&M Dinged Again

Will a Change of Judge Bring a Change of Outcome? The battle for patent supremacy between Sonos and D&M Holdings is picking up significant steam. In one 30-day period of this year alone (June), we counted no less than 110 … Continue reading

Sonos Wins Dismissal of Multiple D&M Holdings Counterclaims

Just one month after Delaware District Court judge Richard G. Andrews ruled against D&M Holdings’ attempt to have four key Sonos patents invalidated, we learn that Sonos was successful in winning a dismissal of three of D&M Holdings’ counterclaims of … Continue reading