Case: Patents/Claim Construction (Fed. Cir.)

The Federal Circuit reversed and remanded the decision of a federal district court in Texas that claims of Canatex Completion Solutions Inc.'s patent that claims a device, having two parts, that is used in oil and gas wells are invalid as indefinite, in this infringement action against Wellmatics LLC, GR Energy Services LLC, GR Energy Services Management LP, GR Energy Services Operating GP LLC, and GR Wireline LP. According to the appeals court, it’s evident that the claim contains an error and that a relevant artisan would recognize that there is only one correction that is reasonable given the intrinsic ...