A few years ago Apple and Qualcomm got into an argument over patents and licences, which spurred a multi-year legal battle. The issue was eventually settled out of court in 2019, but now the Qualcomm is getting a chance to win back some lost ground. As part of the proceedings Apple challenged one patent, citing prior art and asking the Patent Trial and Appeal Board to declare it invalid (this was in 2018). The board sided with Apple in 2020. Qualcomm appealed that decision and the board has now greed to have another look at it, so there is a chance that the patent will be declared valid...



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