Legal Opinion
Texas Digital Systems, Inc. v. Telegenix, Inc.
Court of Appeals for the Federal Circuit
Decided October 16, 2002No. 02-1032PublishedCited by 400 opinions
1Opinion of the Court
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, U.S. Patent Nos. 4,845,-481. (“'481 patent”), 4,965,561 (“'561 patent”), 4,734,619 (“'619 patent”), and 4,804,-890 (“'890 patent”), each issued to…
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