US Patent Issued to DAIICHI SANKYO on July 15 for "Protein recognizing drug moiety of antibody-drug conjugate" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,999, issued on July 15, was assigned to DAIICHI SANKYO COMPANY Ltd. (Tokyo).

"Protein recognizing drug moiety of antibody-drug conjugate" was invented by Masako Soma (Tokyo), Hiroshi Kuga (Tokyo), Takeshi Masuda (Tokyo), Junko Kawamura (Tokyo), Hiromi Ishibashi (Tokyo) and Satoru Yasuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A protein that recognizes a drug moiety of an antibody-drug conjugate in which a drug represented by the following formula is conjugated to an antibody via a linker, and a method for quantifying the concentration in plasma of an antibody-drug conjugate in a mammal to which the antibody-drug conjugate has been admi...