Judge Read Audio Patent Too Narrowly, Hytera Tells Fed. Circ.

By J. Edward Moreno (January 13, 2022, 4:27 PM EST) -- A Federal Circuit panel questioned Chinese radio maker Hytera on whether the word "or" on its audio output patent was correctly interpreted by an Ohio federal judge, who ruled that Motorola didn't infringe Hytera's patent covering a way to adjust the sound quality on radio communication devices.

Hytera told the panel during oral arguments on Thursday that the lower court's decision was based on an erroneous claim construction and failed to resolve lingering factual disputes.

Hytera's patent performed treble and bass boost processing if certain sound thresholds were met. Specifically, the lower court interpreted claim 1 of Hytera's patent, which refers...

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