West Triumphs In Phoenix Speech Recognition IP Suit

Law360, New York (August 27, 2010, 2:10 PM EDT) -- A federal judge has invalidated the bulk of three Phoenix Solutions Inc. speech recognition patents and found that West Interactive Corp. did not infringe a fourth, further thwarting Phoenix's efforts to collect damages for the system DirecTV Group Inc. uses to provide customer service.

Judge Mariana R. Pfaelzer of the U.S. District Court for the Central District of California ruled Wednesday that West Interactive's Class platform does not use voice activity detection, a form of speech processing that decides if the user has spoken or if...
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