https://www.cnet.com/news/apple-fires-back-at-qualcomm-in-lawsuit-over-battery-patents/ >Apple and Qualcomm probably won't be wishing each other a happy holiday.  >The battle between the two tech heavyweights rose another notch with Apple filing a countersuit against Qualcomm, alleging that the chip maker is using some of its technology in its line of processors that power rival smartphones.