InterDigital, the video and wireless technology R&D dignitary, was back in litigation headlines while Faultline was taking a short Q4 break last week. The latest patent infringement cases has potentially significant practical consequences for one of the world’s largest electronics manufacturers in the Latin American market. Patent spats are nothing new, but it’s increasingly true that some technology executives and entrepreneurs are being forced to reinvent themselves as patent law experts, by necessity rather than leisure, just to keep some skin in the game. While recent patent infringement headlines have been concentrated in Europe (see the curious case of Disney’s HEVC switcheroo), this latest injunction takes us to Brazil, where Chinese device heavyweight TCL has been found to infringe two…