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Westlaw News

ION wins appeals court decision nixing Schlumberger oil exploration patents

A federal appeals court on Monday invalidated three patents held by oil services giant Schlumberger NV, complicating a long-running dispute with rival ION Geophysical Corp that culminated in a $106 million verdict now under U.S. Supreme Court review.

The U.S. Court of Appeals for the Federal Circuit affirmed a Patent Trial and Appeal Board determination that the three Schlumberger patents were invalid as obvious.

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