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ARTHUR A. COLLINS, INC. v. NORTHERN TELECOM LTD.

No. 99-1400.

216 F.3d 1042 (2000)

ARTHUR A. COLLINS, INC., Plaintiff-Appellant, v. NORTHERN TELECOM LIMITED and Northern Telecom, Inc., Defendants-Appellees.

United States Court of Appeals, Federal Circuit.

Rehearing Denied August 1, 2000.

Attorney(s) appearing for the Case

Rolf Stadheim, Stadheim & Grear, Ltd., of Chicago, Illinois, argued for plaintiff-appellant. With him on the brief was Joseph A. Grear. Of counsel on the brief were Amy Sanborn Owen, and David J. Ervin, Miles & Stockbridge, of McLean, Virginia.

J. Michael Jakes, Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P., of Washington, DC, argued for defendants-appellees. With him on the brief was Doris Johnson Hines.

Before NEWMAN, BRYSON, and GAJARSA, Circuit Judges.

BRYSON, Circuit Judge.

Arthur A. Collins, Inc., (Collins) owns U.S. patents for inventions in the field of networking and switching systems for digital telecommunications. Patent No. 4,701,907 (the '907 patent) claims a structure that synchronizes communications within a network. Patent No. 4,797,589 (the '589 patent) claims a structure that dynamically switches selected communication channels at a network node while allowing unselected channels to bypass the node...

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