Atticus Research [NPE] filed suit against VMware and two others over a patent related to software fault recovery.  This is the third suit filed by Atticus Research, primarily targeting small software vendors.  Previous defendants include Uptime Software and Nimsoft.  The patent-in-suit was previously assigned to Isengard Corporation and was acquired by Atticus Research in January 2011.  5/6, Southern District of Texas, 4:2011cv01741.