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ALEXSAM, INC. v. IDT CORP.

Nos. 2012-1063, 2012-1064.

715 F.3d 1336 (2013)

ALEXSAM, INC., Plaintiff-Cross Appellant, v. IDT CORPORATION, Defendant-Appellant.

United States Court of Appeals, Federal Circuit.

May 20, 2013.

Attorney(s) appearing for the Case

Timothy P. Maloney , Fitch, Even, Tabin & Flannery, LLP, of Chicago, IL, argued for the plaintiff-cross appellant. With him on the brief were Alison Aubry Richards and Nicole L. Little ; and Steven C. Schroer , of Boulder, CO.

Glen E. Summers , Bartlit Beck Herman Palenchar & Scott, LLP, of Denver, CO, argued for the defendant-appellant. With him on the brief were Sean C. Grimsley and Daniel R. Brody. Of counsel on the brief was Stanley L. Amberg , of Chappaqua, NY.

Dissenting opinion filed by Circuit Judge MAYER.

DYK, Circuit Judge.

Defendant IDT Corporation appeals from the judgment of the District Court for the Eastern District of Texas determining that certain of IDT's systems infringed claims 57 and 58 of U.S. Patent No. 6,000,608 ("the '608 patent"), and that these claims were not invalid. Plaintiff Alexsam, Inc. cross-appeals from the court's judgment determining that certain other systems were licensed under claims 57 and 58 of the '608 patent.

We affirm the...

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