ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,491, issued on April 29, was assigned to HANGZHOU DAC BIOTECH Co. LTD. (Hangzhou, China).

"Conjugation linkers, cell binding molecule-drug conjugates containing the linkers, methods of making and uses such conjugates with the linkers" was invented by Yongxin Robert Zhao (Hangzhou, China), Qingliang Yang (Hangzhou, China), Yuanyuan Huang (Hangzhou, China), Shun Gai (Hangzhou, China), Hangbo Ye (Hangzhou, China), Linyao Zhao (Hangzhou, China), Chengyu Yang (Hangzhou, China), Huihui Guo (Hangzhou, China), Xiaomai Zhou (Hangzhou, China), Hongsheng Xie (Hangzhou, China), Haifeng Zhu (Hangzhou, China), Yifang Xu (Hangzhou, China), Qianqian Tong (Hangzhou, China), Junxiang Jia (Hangzhou, ...