United Access Technologies LLC v. AT&T Corp., No. 17-2614 (Fed. Cir. Jan. 24, 2019)

From the Opinion

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Appellant United Ac cess Technologies, LLC (“UAT”) brought this patent infringement case against a number of telecommunications companies . UAT accused the defendants of infringing U.S. Patent Nos. 5,844,596 (“the ’596 patent”), 6,243,446 (“the ’446 patent”), and 6,542,585 (“the ’585 patent”). In particular, UAT asserted claim 61 of the ’596 patent, claims 1- 5 of the ’446 patent, and claims 1, 2, 4, 8, and 9 of the ’585 patent. 1 The defen d- ants filed a j oint motion for summary judgment of n onin- fringement, which the district court granted.