Case: 21-2371 Document: 38 Page: 1 Filed: 03/10/2023

NOTE: This disposition is nonprecedential.

United States Court of Appeals for the Federal Circuit ______________________ CHEMCO SYSTEMS, L.P., Appellant v. RDP TECHNOLOGIES, INC., Appellee ______________________ 2021-2371 ______________________ Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board in No. IPR2019- 01563. ______________________ JUDGMENT ______________________ MATTHEW JOHNSON, Jones Day, Pittsburgh, PA, argued for appellant. Also represented by MARLEE HARTENSTEIN; JENNIFER L. SWIZE, Washington, DC.

THOMAS FISHER, Cozen O'Connor P.C., Washington, DC, argued for appellee. Also represented by KERI SCHAUBERT, New York, NY. ______________________ THIS CAUSE having been heard and considered, it is Case: 21-2371 Document: 38 Page: 2 Filed: 03/10/2023

ORDERED and ADJUDGED: PER CURIAM (MOORE, Chief Judge, PROST and STARK, Circuit Judges).

AFFIRMED. See Fed. Cir. R. 36.

ENTERED BY ORDER OF THE COURT

March 10, 2023 /s/ Peter R. Marksteiner Date Peter R. Marksteiner Clerk of Court