The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 15, 2025
Filed:
Jul. 26, 2019
Applicant:
Daiichi Sankyo Company, Limited, Tokyo, JP;
Inventors:
Masako Soma, Tokyo, JP;
Hiroshi Kuga, Tokyo, JP;
Takeshi Masuda, Tokyo, JP;
Junko Kawamura, Tokyo, JP;
Hiromi Ishibashi, Tokyo, JP;
Satoru Yasuda, Tokyo, JP;
Assignee:
DAIICHI SANKYO COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K 16/44 (2006.01); A61K 31/407 (2006.01); A61K 39/00 (2006.01); A61K 47/68 (2017.01); A61P 35/00 (2006.01); G01N 33/68 (2006.01); G01N 33/94 (2006.01);
U.S. Cl.
CPC ...
C07K 16/44 (2013.01); A61K 31/407 (2013.01); A61K 47/68037 (2023.08); A61P 35/00 (2018.01); G01N 33/6854 (2013.01); G01N 33/94 (2013.01); A61K 2039/505 (2013.01);
Abstract
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 administered, by using the protein, and a method for identifying a tissue distribution of an antibody-drug conjugate.