CAUSE NO. 6:13-CV-351 12-17-2014 VIRNETX INC. and LEIDOS, INC., Plaintiffs, v. MICROSOFT CORPORATION, Defendant. LEONARD DAVIS UNITED STATES DISTRICT JUDGE MEMORANDUM OPINION AND ORDER This Memorandum Opinion construes the disputed claim terms in U.S. Patent Nos. 6,502,135 ("the '135 Patent"), 7,188,180 ("the '180 Patent"), 7,418,504 ("the '504 Patent"), 7,490,151 ("the '151 Patent"), 7,921,211 ("the '211 Patent"), and 7,987,274 ("the '274 Patent") (collectively, "the patents-in-suit"). On September