United States Court of Appeals for the Federal Circuit ______________________ November 2, 2015 ERRATUM ______________________ Appeal No. 2015-1041 ______________________ TESCO CORPORATION, Plaintiff v. NATIONAL OILWELL VARCO, L.P., OFFSHORE ENERGY SERVICES, INC., FRANK’S INTERNATIONAL, LLC, Defendants-Appellees v. GLENN A. BALLARD, JR., JOHN F. LUMAN, III, Interested Parties-Appellants ______________________ Decided: October 30, 2015 Precedential Opinion ______________________ The following change has been made on page 2, line 55 of the opinion.

Insert: Opinion for the court filed by Circuit Judge O’MALLEY.

Dissenting opinion filed by Circuit Judge NEWMAN.