Compufill [NPE] filed suit against Walgreen, Costco, CVS and Target over a patent related to online prescription refills. 5/20, Central District of California, 2:201104346.  The patent-in-suit was assigned by an individual inventor to Compufill in January 2011.  Hazim Ansari, founder of NovelIP,  is listed as the correspondent.  (NovelIP also represents Network Signatures, a non-practicing entity that has initiated 50 lawsuits to date- primarily against e-commerce companies.)