Adaptive Headlamp Technologies Inc. (AHTI) filed a fourth round of cases in its litigation campaign asserting a single patent (7,241,034) against automakers. The ‘034 patent relates to self-adjusting headlights. The newest defendants are GM (1:15-cv-00781), Mazda (1:15-cv-00782), Toyota (1:15-cv-00779), and Volvo (1:15-cv-00780). In previous rounds of litigation, AHTI sued BMW (1:14-cv-00962) in July 2014, Chrysler/Fiat/Maserati (1:15-cv-00073), Daimler/Mercedes-Benz (1:15-cv-00075), and Nissan (1:15-cv-00074), all in January 2015, and Hyundai (1:15-cv-00563) in July 2015. Headlights on the defendants’ cars are accused of infringement.