Patent opinions from the Eastern District of Texas and the U.S. Court of Appeals for the Federal Circuit

Fed. Cir.

Ingevity Corporation v. Basf Corporation, No. 24-1577 (Fed. Cir. Feb. 11, 2026)

Affirmed
Court
U.S. Court of Appeals for the Federal Circuit
Case No.
No. 24-1577
Decided
February 11, 2026
Judge
Lourie, J.
Document
Precedential Opinion
Length
27 pages

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

Ingevity Corporation and Ingevity South Carolina, LLC (together, “Ingevity”) sued BASF Corporation (“BASF”) in the United States District Court for th e Dis- trict of Delaware for infringement of U.S. Patent RE38,844 (“the ’844 patent”). The district court granted su mmary judgment of invalidity of the asserted claims (1, 4 , 11, 18, 19, 24, 43 and 48) of the ’844 patent. See Ingevity Corp. v. BASF Corp. , 501 F. Supp. 3d 274 (D. Del. 2020).