TuHURA Biosciences Secures US Patent For TBS-2025, Entitled ‘Anti-VISTA Antibodies And Uses Thereof’

Patent extends coverage to include bispecific/multi-specific antibodies across all classes of human antibodies

TAMPA, Fla., Oct. 13, 2026 /PRNewswire/ -- TuHURA Biosciences, Inc. (NASDAQ:HURA) ("TuHURA" or the "Company"), a Phase 3 immuno-oncology company developing novel therapeutics to overcome resistance to cancer immunotherapy, today announced that the United States Patent and Trademark Office (USPTO) has issued Patent No. 12,760,104 entitled, "Anti-VISTA Antibodies and Uses Thereof."

The new patent claims provide coverage for TBS-2025, TuHURA's VISTA inhibiting antibody, as well as antigen-binding fragments, modifications to the frameworks and Fc regions of the antibody, and bi-specific/multi-specific antibodies across all classes of human antibodies. Additionally, the patent provides coverage for use as a single agent or in combination with radiotherapy, chemotherapy, targeted therapies, tyrosine kinase inhibitor therapies, and immune checkpoint inhibitors, including PD-1 inhibitors. The new patent claims also provide coverage for methods of treatment that extend beyond cancer, expanding into new treatment areas like autoimmune disease and infection. The patent term extends to February 18, 2042, prior to any potential patent term adjustment and/or regulatory patent term extension.