US Patent Issued to XUANZHU BIOPHARMACEUTICAL, BEIJING XUANZHU COMBIO on Aug. 5 for "CD80 variant proteins and uses thereof" (California Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,299, issued on Aug. 5, was assigned to XUANZHU BIOPHARMACEUTICAL Co. LTD. (Shijiazhuang, China) and BEIJING XUANZHU COMBIO Co. LTD. (Beijing).

"CD80 variant proteins and uses thereof" was invented by Yuntao Song (Palo Alto, Calif.), Jianhui Zhou (Redwood City, Calif.), Yi Ding (Milpitas, Calif.), Ping Hui Szu (Walnut Creek, Calif.) and Chen Dong (Cupertino, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides variant CD80 polypeptides that have altered affinity for their cognate binding partners, and immunomodulatory fusion proteins comprising the variant CD80 polypeptides. The present disclosure also provides pharmac...