Lemko Corp. v. Microsoft Corporation, Affirmed Networks, Inc.

NOTE: This disposition is nonprecedential.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. F RANKEL , Herbert Smith Freehills Kramer
(US) LLP, New York, NY, argued for appellant. Also rep-
resented by J EFFREY ENG, J ENNA F ULLER, J EFFREY P RICE ;
P AUL J. ANDRE, J AMES R. HANNAH , L ISA K OBIALKA, Red-
wood Shores, CA.
MATTHEW R. MCCULLOUGH , Winston & Strawn LLP,
Redwood City, CA, argued for appellees. Also represented
Case: 24-2336 Document: 47 Page: 1 Filed: 04/10/2026

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by MICHAEL RUECKHEIM , King & Spalding LLP, San Fran-
cisco, CA.
______________________
THIS CAUSE having been heard and considered, it is
O RDERED and ADJUDGED:
SEEBORG, Chief District Judge
P ER CURIAM (HUGHES and STOLL, Circuit Judges, and
1).
AFFIRMED. See Fed. Cir. R. 36.
ENTERED BY O RDER 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.
Case: 24-2336 Document: 47 Page: 2 Filed: 04/10/2026

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