GENBAND US LLC v. METASWITCH NETWORKS CORP.

2017-1148.

861 F.3d 1378 (2017)

GENBAND US LLC, Plaintiff-Appellant v. METASWITCH NETWORKS CORP., Metaswitch Networks Ltd., Defendants-Appellees

United States Court of Appeals, Federal Circuit.

Decided: July 10, 2017.


Attorney(s) appearing for the Case

DOUGLAS M. KUBEHL , Baker Botts, LLP, Dallas, TX, argued for plaintiff-appellant. Also represented by JEFFERY D. BAXTER , SAMARA KLINE ; MICHAEL HAWES , Houston, TX.

CHARLES KRAMER VERHOEVEN , Quinn Emanuel Urquhart & Sullivan, LLP, San Francisco, CA, argued for defendants-appellees. Also represented by KEVIN ALEXANDER SMITH , DAVID EISEMAN, IV ; JOSHUA L. SOHN , Washington, DC.

Before Lourie, Taranto, and Chen, Circuit Judges.


Appellant Genband US LLC sued Metaswitch Networks Corp. and Metaswitch Networks Ltd. (together, Metaswitch) for patent infringement. After a jury found that Metaswitch infringed various claims of several of Genband's patents, and that the claims at issue had not been proven invalid, Genband sought a permanent injunction....

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