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.

Date of Patent:
Sep. 05, 2023

Filed:

Mar. 26, 2019
Applicant:

Innovent Biologics (Suzhou) Co., Ltd., Jiangsu, CN;

Inventors:

Junjian Liu, Jiangsu, CN;

Xiaoniu Miao, Jiangsu, CN;

Zhihui Kuang, Jiangsu, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K 16/28 (2006.01); C07K 16/24 (2006.01); C07K 16/22 (2006.01);
U.S. Cl.
CPC ...
C07K 16/22 (2013.01); C07K 16/2827 (2013.01); C07K 16/2878 (2013.01); C07K 2317/22 (2013.01); C07K 2317/24 (2013.01); C07K 2317/31 (2013.01); C07K 2317/53 (2013.01); C07K 2317/55 (2013.01); C07K 2317/565 (2013.01); C07K 2317/569 (2013.01);
Abstract

The present invention provides an artificially designed antibody molecule comprising four polypeptide chains, where each of the first polypeptide chain and the third polypeptide chain comprises an immunoglobulin light chain, and each of the second polypeptide chain and the fourth polypeptide chain comprises, from the N-terminus to the C-terminus, an immunoglobulin heavy chain variable region, an immunoglobulin CH1 domain, a VHH, an immunoglobulin CH2 domain, an immunoglobulin CH3 domain, and optionally an immunoglobulin CH4 domain. The present invention also provides a polynucleotide encoding the antibody molecule, a vector comprising the polynucleotide, a host cell comprising the polynucleotide or the vector, an immunoconjugate and a pharmaceutical composition comprising the antibody molecule, and use of the antibody molecule in the immunotherapy, prevention and/or diagnosis of diseases.


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