Altpass LLC has fired off a third round in its sole litigation campaign, begun with April 2020 cases filed against Fujitsu, Kyocera, and BBK Electronics (OnePlus Technology) and continued with July 2020 cases filed against BBK (Guangdong OPPO Mobile Telecommunications) and BBK (Vivo Communication Technology), all in the Eastern District of Texas. The new round includes one suit also filed there, against Panasonic (2:21-cv-00285), followed by three filed in the Western District of Texas, one against each of Alphabet (Google) (6:21-cv-00797), Apple (6:21-cv-00805), and Microsoft (6:21-cv-00799). The NPE has targeted the provision of various mobile computing devices (i.e., laptops, smartphones, tablets) with three patents generally related to authenticating computer users through “user-selectable signatures”.