U.S. Court of Appeals for the Federal Circuit
Westerngeco L.L.C. v. Ion Geophysical Corp.
Panel
The judges who heard this appeal.
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Judge
Timothy B. Dyk
William J. Clinton
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Senior Judge
Evan Jonathan Wallach
Barack Obama
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Judge
Todd Michael Hughes
Barack Obama
Case history
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Jan. 11, 2019decided Decision issued in Westerngeco L.L.C. v. Ion Geophysical Corp.