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PTAB Rejects Apple's Bid For IPR Of Koss Headphone Patent

By Britain Eakin ( September 8, 2021, 7:09 PM EDT) -- The Patent Trial and Appeal Board has denied a petition from Apple for inter partes review of a Koss Corp. patent covering wireless headphones, saying the iPhone maker failed to establish a reasonable likelihood it would prevail in invalidating at least one of the 35 claims it challenged....

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