Inventor Lauri Valjakka has added cases against Alphabet (Google) (6:22-cv-00004), Apple (6:22-cv-00003), and Sony (6:22-cv-00005) to the campaign that he began in September 2021 with suits against Akamai Technologies, Amazon, Cisco, Microsoft, and Netflix. The plaintiff’s latest complaints assert two patents generally related to transferring data over a network and providing access to restricted content to a user through a digital rights management key. Targeted are the defendants’ provision of various services; for Google, over Google TV and YouTube; for Apple, over Apple AirPlay and Apple TV+; and for Sony, over Playstation Network and Playstation Now.