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:
Aug. 31, 2021
Filed:
Sep. 28, 2018
Akeso Biopharma, Inc., Guangdong, CN;
Taizhou Hanzhong Biopharmaceutics, Inc., Jiangsu, CN;
Yu Xia, Guangdong, CN;
Baiyong Li, Guangdong, CN;
Zhongmin Maxwell Wang, Guangdong, CN;
Faming Zhang, Hubei, CN;
Gan Xi, Hubei, CN;
Ying Huang, Hubei, CN;
Akeso Biopharma, Inc., Guangdong, CN;
Taizhou Hanzhong Biopharmaceutics, Inc., Jiangsu, CN;
Abstract
Proposed is an anti-PD-1 monoclonal antibody or an antigen binding fragment thereof, comprising a heavy chain variable region having at least one of the amino acid sequences listed below: (1) the amino acid sequence shown in SEQ ID NO: 1; (2) the amino acid sequence shown in SEQ ID NO: 3; (3) the amino acid sequence shown in SEQ ID NO: 5; and (4) an amino acid sequence having more than one conservative amino acid mutation compared with (1)-(3).