Unified Messaging Solutions (UMS) [NPE] filed suit against AOL, AT&T, American Airlines, Citibank, Conn’s, Dell, eBay, Google, Sabre Holdings, Time Warner, Travelocity, Twitter, and Yahoo over five patents related to web-based messaging systems.  UMS filed one prior suit in March 2011 against over 25 defendants including Bank of America, Comcast, Facebook, RIM, T-Mobile, and Verizon.  The patents-in-suit originated with J2 Global Communications.  9/7, Eastern District of Texas, 6:2011cv00464.