Lemko Corp. v. Microsoft Corporation

Case: 24-2336 Document: 47 Page: 1 Filed: 04/10/2026 NOTE: This disposition is nonprecedential. United States Court of Appeals for the Federal Circuit ______________________ LEMKO CORP., Appellant v. MICROSOFT CORPORATION, AFFIRMED NETWORKS, INC., Appellees ______________________ 2024-2336 ______________________ Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board in No. IPR2023- 00531. ______________________ JUDGMENT ______________________ AARON M. FRANKEL, Herbert Smith Freehills Kramer (US) LLP, New York, NY, argued for appellant. Also rep- resented by JEFFREY ENG, JENNA FULLER, JEFFREY PRICE; PAUL J. ANDRE, JAMES R. HANNAH, LISA KOBIALKA, Red- wood Shores, CA. MATTHEW R. MCCULLOUGH, Winston & Strawn LLP, Redwood City, CA, argued for appellees. Also represented Case: 24-2336 Document: 47 Page: 2 Filed: 04/10/2026 by MICHAEL RUECKHEIM, King & Spalding LLP, San Fran- cisco, CA. ______________________ THIS CAUSE having been heard and considered, it is ORDERED and ADJUDGED: PER CURIAM (HUGHES and STOLL, Circuit Judges, and SEEBORG, Chief District Judge 1). AFFIRMED. See Fed. Cir. R. 36. ENTERED BY ORDER OF THE COURT April 10, 2026 Date 1 Honorable Richard Seeborg, Chief District Judge, United States District Court for the Northern District of California, sitting by designation.