ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,171, issued on March 31, was assigned to Nanjing GenScript Biotech Co. Ltd. (Nanjing, China).

"Anti-VHH domain antibodies and use thereof" was invented by Xijian Qin (Nanjing, China), Liwei Sun (Nanjing, China), Wanyi Wang (Nanjing, China) and Guangwei Song (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a group of anti-VHH domain antibodies and use thereof. The present invention further provides use of the described antibodies in the development, screening and purification of nano-antibodies, and use of the described antibodies in the field of immunotherapy."

The patent was filed on Sept. 27, 2020, under Appl...