CEATS [NPE] filed suit against Expedia, alleging that Expedia’s website infringes six patents related to an electronic seat selection and reservation system for airlines.  CEATS has filed seven previous suits since April 2010 against over 40 airlines, online ticket vendors, and real estate websites.  Richard Halavais and Tony Cheng-Tony Chung are the named inventors on the patents-in-suit, which originated with MS Intergate and were assigned to CEATS in May 2010.  2/27, Eastern District of Texas, 6:2012cv00097.