Fracking Companies Seek Ruling That They Are Not Infringing A Drilling Tool Patent

Mealey's (July 10, 2019, 1:24 PM EDT) -- HOUSTON — Two hydraulic fracturing companies on July 8 filed a complaint in Texas federal court seeking declaratory judgment that they have not infringed a patent for a tool used in well casings in response to a cease-and-desist letter sent to the companies from the designer of a device that is similar to the tool in question (Exacta Frac Energy Services Inc., et al. v. Paul Bernard Lee, No. 19-2459, S.D. Texas)....