Express Card Systems, a subsidiary of Acacia Research, filed 12 separate suits against Coscto, CVS Caremark, HP, Hy-Vee, Meijer, Rite Aid, Shutterfly, Supervalu, Target, Vistaprint, Walgreen, and Wal-Mart alleging infringement of two patents related to a card printing system (5,552,994, 5,748,484). In October 2010, Express Card Systems filed a prior suit against four of the defendants named in the current suit, including CVS Caremark, Walgreen, Wal-Mart, and Shutterfly, asserting infringement of a different patent. That suit was dismissed in March 2011. According to the complaints, Express Card Systems is the exclusive licensee of the patents-in-suit. 1/4, Eastern District of Texas, Judge Leonard Davis, 6:2013cv00012; 6:2013cv00013; 6:2013cv00014; 6:2013cv00015; 6:2013cv00016; 6:2013cv00017; 6:2013cv00018; 6:2013cv00019; 6:2013cv00020; 6:2013cv00021; 6:2013cv00022; 6:2013cv00023.
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