Weatherford Sues Tesco Over Oil Drilling Patents

Law360 (December 6, 2007, 12:00 AM EST) -- Two companies that bill themselves as leaders in the upstream energy industry are squaring off in a Texas court over 10 patents related to drilling and servicing oil and gas wells.

Weatherford International Inc. filed a patent infringement lawsuit against Tesco Corp. in the U.S. District Court for the Eastern District of Texas on Wednesday, claiming that tubular handling systems and casing drilling services imported, made, used or sold by Tesco infringe on one or more of the patents at issue either literally or under the...
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