June 12, 2009

WesternGeco LLC v. ION Geophysical Corporation

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Reflects complaints, answers, motions, orders and trial notes entered from Jan. 1, 2011.
Additional or older documents may be available in Pacer.


  1. September 04, 2019

    WesternGeco's $93M IP Win Going Back On Trial

    Ion Geophysical Corp. may not be stuck with a $93.4 million bill for infringing largely invalidated claims from WesternGeco LLC's oil exploration patents, after a Texas federal judge ordered a redo on the 2012 verdict.

5 other articles on this case. View all »


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