National Oilwell Seeks New Trial In Tesco IP Suit

Law360, New York (April 8, 2011, 5:27 PM EDT) -- National Oilwell Varco LP demanded a new trial Thursday following a Texas jury verdict finding a Tesco Corp. patent for oil drilling technology valid, arguing that Tesco hid a critical document showing its patent claim was actually invalid due to existing prior art.

In a motion filed in the U.S. District Court for the Southern District of Texas, National Oilwell said that the verdict cannot be entered as it currently stands. National Oilwell claims Tesco had a prior art reference — an August 2002 brochure detailing...
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