Two subsidiaries of Uniloc Corporation Pty. Limited (Uniloc) sued 16 companies for alleged infringement of a patent related to software registration (5,490,216).  Ableton, Acronis, Altova, ArcSoft, Cambium Learning, Canon, Chief Architect, Code 42 Software, Edgewater Marine, Embarcadero Technologies, Encore, Juniper, Perfect World Entertainment, Kofax, Native Instruments, and TLM are defendants in this latest wave of filings in Uniloc’s decade-long campaign. The complaints, which were filed by Uniloc subsidiaries Uniloc USA, Inc. and Uniloc Luxembourg S.A., accuse defendants’ activation and authentication systems that permit customers to activate and/or register software. Uniloc has asserted the patent-in-suit in more than 55 lawsuits since 2003, mostly against software companies. Previous defendants include Adobe, AVG, Microsoft, Sony, and Symantec. Litigation against AVG, Sony, and Symantec is ongoing. According to court documents, Adobe settled with Uniloc following about a year of litigation, and Microsoft battled Uniloc for more than eight years before reaching a settlement during trial. The ‘216 patent originated with Uniloc and was reexamined in 2011 and 2013; the patentability of all claims was confirmed without amendments. 5/6, Eastern District of Texas, 6:14-cv-00415, 6:14-cv-00416, 6:14-cv-00417, 6:14-cv-00418, 6:14-cv-00419, 6:14-cv-00420, 6:14-cv-00421, 6:14-cv-00422, 6:14-cv-00423, 6:14-cv-00424, 6:14-cv-00425, 6:14-cv-00426, 6:14-cv-00427, 6:14-cv-00428, 6:14-cv-00429, 6:14-cv-00430.