GENEVA, Dec. 8 -- HANGZHOU SEEHE BIOTECHNOLOGY CO., LTD (Building 19, ZhengTaiZhongZi Tech. Park, No. 260 Sixth Street, HEDAHangzhou, Zhejiang 310018), HANGZHOU DAC BIOTECHNOLOGY CO., LTD (Building 1, 369 Qiaoxin Street, Qiantang DistrictHangzhou, Zhejiang 310018), ZHAO, Robert Yongxin (Building 1, 369 Qiaoxin Street, Qiantang DistrictHangzhou, Zhejiang 310018) filed a patent application (PCT/CN2025/096662) for "AN ANTIBODY-DRUG CONJUGATE HAVING TWO OR MORE DIFFERENT FUNCTIONAL SMALL MOLECULES FOR ENHANCED TREATMENT OF REFRACTORY DISEASES." on May 22, 2025. With publication no. WO/2025/247082, the details related to the patent application was published on Dec 04, 2025.

Notably, the patent application was submitted under the International P...