ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,289, issued on Feb. 25, was assigned to ONO PHARMACEUTICAL Co. LTD. (Osaka, Japan) and TOKUSHIMA UNIVERSITY (Tokushima, Japan).

"Immunosuppresive agent" was invented by Taku Okazaki (Tokushima, Japan), Daisuke Sugiura (Tokushima, Japan), Takeo Maeda (Tokushima, Japan) and Shiro Shibayama (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An immunosuppressive agent containing a substance that is selected from anti-CD80 antibodies and anti-PD-L1 antibodies and that promotes binding between PD-L1 and PD-1."

The patent was filed on Dec. 6, 2019, under Application No. 17/311,148.

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