Unified Patents in the US, which describes itself as insurance against patent trolls, has issued a one line release which seems to let half a dozen car companies off the hook from streaming music patents. The win is really just a first stage win, against Digital Stream, which claims to have patents which govern how you can listen to music, store it, and buy it from a car radio. Throughout 2016 Digital Stream brought patents suits against Bosch, BMW, Daimler, GM, Honda, and Nissan. Unified Patents clearly does not want to crow too loud at this point, but has got an Appeal Board patent judge to respond to an “inter partes” review of claims made by Digital Stream, suggesting that…