Elbex Video, Ltd. (Elbex) appeals from the grant of summary judgment in favor of Sensormatic Electronics Corp. (Sensormatic) by the United States District Court for the Southern District of New York. Elbex Video, Ltd. v. Sensormatic Elecs. Corp., No. 04-CIV-9530 (RO), 2006 WL 2588139 (Sept. 6, 2006) (SJ Order). The district court determined that Sensormatic’s accused closed circuit television (CCTV) systems do not infringe claim 1 of United States Patent No. 4,989,085 (the ’085 patent). We affirm-in-part, reverse-in-part, and remand.