Clantech, Inc., Modern Font Applications LLC v. Costar Realty Information, Inc., Duolingo, Inc.

NOTE: This disposition is nonprecedential.
United States Court of Appeals
for the Federal Circuit
______________________
CLANTECH, INC., MODERN FONT APPLICATIONS
LLC,
Appellants
v.
COSTAR REALTY INFORMATION, INC.,
DUOLINGO, INC.,
Appellees
______________________
2024-1360, 2024-1361
______________________
Appeals from the United States Patent and Trademark
Office, Patent Trial and Appeal Board in Nos. IPR2022-
00799, IPR2022-00800.
______________________
JUDGMENT
______________________
ANDREW T IMOTHY OLIVER , Amin Turocy & Watson,
LLP, San Jose, CA, argued for all appellants.
I NGE A. O SMAN, Latham & Watkins LLP, Washington,
DC, argued for appellees. Also represented by G ABRIEL K.
BELL , ASHLEY M. F RY .
Case: 24-1360 Document: 64 Page: 1 Filed: 12/11/2025

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J AMES C. WATSON, TraskBritt, PC, Salt Lake City, UT,
for appellant Clantech, Inc.
______________________
THIS CAUSE having been heard and considered, it is
O RDERED and ADJUDGED:
P ER CURIAM (L OURIE, REYNA, and CUNNINGHAM , Cir-
cuit Judges).
AFFIRMED. See Fed. Cir. R. 36.
ENTERED BY O RDER OF THE COURT
December 11, 2025
Date
Case: 24-1360 Document: 64 Page: 2 Filed: 12/11/2025

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