The U.S. Court of Appeals for the Federal Circuit (CAFC) on Thursday reversed a district court’s denial of judgment as a matter of law (JMOL) to Amazon of no induced infringement and vacated a jury verdict finding that it had induced infringement of Vocalife LLC’s patent for a method of enhancing acoustics. Judge Hughes authored the opinion. The asserted patent was U.S. Patent No. RE 47,049, which covers “methods and systems for ‘enhancing acoustics of a target sound signal received from a target sound source, while suppressing ambient noise signals.’” Vocalife filed suit against Amazon, claiming certain Amazon Echo products infringed the ’049 patent–specifically, Claim 1’s reference to “providing a microphone array system comprising an array of sound sensors positioned in a linear, circular, or other configuration” and “determining a delay . . . wherein said determination of said delay enables beamforming for said array of sound sensors in a plurality of configurations.”
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