Case: 19-1668 Document: 66 Page: 1 Filed: 06/15/2020

NOTE: This disposition is nonprecedential.

United States Court of Appeals for the Federal Circuit ______________________ PRAIRIE LAND MILLWRIGHT SERVICES, INC., Appellant v. SIOUX STEEL COMPANY, Appellee ______________________ 2019-1668 ______________________ Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board in No. IPR2016- 01873. ______________________ JUDGMENT ______________________ CRAIG FIESCHKO, DeWitt LLP, Madison, WI, argued for appellant. Also represented by LAURA M. DAVIS, HARRY E.

VAN CAMP, ELIJAH B. VAN CAMP.

SCOTT ANTHONY MCKEOWN, Ropes & Gray LLP, Wash- ington, DC, argued for appellee. Also represented by KATHRYN C. THORNTON; ROBERT HERMAN EICHENBERGER, ROBERT J. THEUERKAUF, Middleton Reutlinger, Louisville, KY. ______________________ Case: 19-1668 Document: 66 Page: 2 Filed: 06/15/2020

THIS CAUSE having been heard and considered, it is ORDERED and ADJUDGED: PER CURIAM (NEWMAN, O’MALLEY, and WALLACH, Circuit Judges).

AFFIRMED. See Fed. Cir. R. 36.

ENTERED BY ORDER OF THE COURT

June 15, 2020 /s/ Peter R. Marksteiner Date Peter R. Marksteiner Clerk of Court