Oil Well Drilling Toolmaker Says Rival Copied Invention

Law360, New York (October 18, 2013, 7:30 PM EDT) -- An oil well drilling toolmaker hit a competing provider of services and equipment for oil and natural gas exploration with a suit in Oklahoma federal court Friday alleging its rival infringed two of its patents.

The suit accused the Norman, Okla.-based Access Downhole LP of infringing two Thru Tubing Solutions Inc. patents covering a unique method for tapping into oil and natural gas formations, and the patent owner sought enhanced damages citing the "knowing, willful and wanton nature" of the purported violations.

"Defendant has known, or should...
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