Lone Star Document Management (LSDM) [NPE] filed suit against CAP Digisoft, alleging that the Cap Digisoft’s online document management and eDiscovery services infringe a patent related to reviewing documents electronically in non-native formats including PDF and TIFF.  The patent-in-suit originated with Netformation and was assigned to LSDM by Ipex in September 2010.  Ipex filed suit against Adobe in August 2008 before assigning the patent to LSDM in September 2010.  LSDM has filed ten prior suits since March 2011.  In the complaint, LSDM claims to have licensed the patent-in-suit to nine separate companies.  3/23, Eastern District of Texas, 6:2012cv00196.