WESTERNGECO LLC v. ION GEOPHYSICAL CORP.

2016-2099, 2016-2100, 2016-2101, 2016-2332, 2016-2333, 2016-2334.

889 F.3d 1308 (2018)

WESTERNGECO LLC, Appellant v. ION GEOPHYSICAL CORPORATION, ION International S.A.R.L., Appellees. In re: WesternGeco LLC, Appellant.

United States Court of Appeals, Federal Circuit.

Decided: May 7, 2018.


Attorney(s) appearing for the Case

JOHN C. O'QUINN , Kirkland & Ellis LLP, Washington, DC, argued for appellant. Also represented by WILLIAM H. BURGESS ; LESLIE M. SCHMIDT , TIMOTHY GILMAN , New York, NY; MICHAEL KIKLIS , CHRISTOPHER RICCIUTI , Oblon, McClelland, Maier & Neustadt, LLP, Alexandria, VA.

GREGORY A. CASTANIAS , Jones Day, Washington, DC, argued for appellees. Also represented by JASON M. GARR , EMILY JUSTINE TAIT , Detroit, MI; DANIELLE J. HEALEY , BRIAN GREGORY STRAND , Fish & Richardson, PC, Houston, TX.

Before Wallach, Chen, and Hughes, Circuit Judges.


WesternGeco LLC (WesternGeco) appeals from the final written decisions of the Patent Trial and Appeal Board (Board) in inter partes review (IPR) proceedings instituted on six petitions filed by Petroleum Geo-Services, Inc. (PGS)1 against three patents owned by WesternGeco: U.S. Patent Nos...

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