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TEXAS DIGITAL SYSTEMS, INC. v. TELEGENIX, INC.

No. 02-1032.

308 F.3d 1193 (2002)

TEXAS DIGITAL SYSTEMS, INC., Plaintiff-Appellee, v. TELEGENIX, INC., Defendant-Appellant.

United States Court of Appeals, Federal Circuit.

DECIDED: October 16, 2002.

Attorney(s) appearing for the Case

Richard L. Schwartz, Winstead Sechrest & Minick P.C., of Dallas, Texas, argued for plaintiff-appellee. With him on the brief was Inge A. Larish.

Gregory J. Lavorgna, Drinker, Biddle & Reath LLP, of Philadelphia, Pennsylvania, argued for defendant-appellant. With him on the brief were Joseph R. DelMaster, Jr., Robert E. Cannuscio, and Stephen B. Schott.

Before MICHEL, SCHALL, and LINN, Circuit Judges.

LINN, Circuit Judge.

Telegenix, Inc. ("Telegenix") appeals from the final judgment of the United States District Court for the Northern District of Texas in favor of Texas Digital Systems, Inc. ("TDS"). Because the district court erroneously construed certain disputed claim limitations, but correctly construed other claim limitations, we affirm-in-part, reverse-in-part, and remand.

BACKGROUND

TDS is the current owner of the four patents at issue...

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