Acacia subsidiary Internet Communications Solutions (ICS) sued Skype along with its parent company Microsoft (2:14-cv-00189) for alleged infringement of a VoIP patent. The asserted patent generally relates to a smart card system providing portable telecommunication and computing services (8,625,584) and names Robert Westerlund and Eric Dowling as its inventors. It is a continuation of the inventors’ earlier patent related to similar technology (7,451,921).