Sonos Gets Judge To Kill Home Audio Patent Under Alice

By Ryan Davis (February 21, 2018, 5:52 PM EST) -- A Delaware federal judge on Tuesday invalidated a home audio patent that D&M Holdings accuses rival Sonos of infringing, saying the invention is routine and conventional in one of the first decisions to apply new Federal Circuit rules for such summary judgment motions.

Judge Richard Andrews of the District of Delaware found that the patent held by D&M Holdings Inc., maker of audio equipment brands like Denon and Boston Acoustics, is invalid under the U.S. Supreme Court's Alice test barring patents on abstract ideas implemented on a computer, since it covers only the basic concept of playing recordings according to one's...

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