On October 19, 2026, the U.S. Court of Appeals for the Federal Circuit affirmed the Patent Trial and Appeal Board’s final written decision in Google LLC v. Valtrus Innovations Ltd., No. 2024-1945 (Fed. Cir. Oct. 19, 2026), which found that the petitioner failed to establish that claims 1–23 of U.S. Patent No. 6,728,704 were unpatentable.