Google, Samsung, HTC and others are on the hotseat for alleged patent infringement on Rockstar technology — including patents related to messaging, notifications and graphical user interfaces. Rockstar, which is jointly owned by Apple, Blackberry, Ericsson, Microsoft and Sony, owns and manages a portfolio of more than 4,000 patents purchased during the Nortel bankruptcy auction in 2011. The group filed a barrage of lawsuits against phone manufacturers late last week. Continue reading Google Among Many Sued by Rockstar for Patent Infringement