Landmark Technology [NPE] filed two separate suits against Cintas and PetSmart, alleging that the defendants’ websites and electronic data interchange systems infringe two patents related to exchanging electronic business data with trading partners for ordering and receiving goods.  Landmark has filed over 25 prior suits since September 2008 against over 50 defendants.  According to the complaint, Landmark is the exclusive licensee on the patents-in-suit, both of which received re-examination certificates confirming the validity of all claims and allowing 22 additional claims.  9/7, Eastern District of Texas, no judge yet assigned, 6:2012cv00605; 6:2012cv00606.