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:
Feb. 24, 2026
Filed:
Sep. 08, 2021
Applicant:
Eutilex Co., Ltd., Seoul, KR;
Inventors:
Byoung S. Kwon, Seoul, KR;
Seunghyun Lee, Seoul, KR;
Hanna Lee, Seoul, KR;
Jin Sung Park, Seoul, KR;
Jin Kyung Choi, Seoul, KR;
Seung Hee Han, Seoul, KR;
Sun Woo Im, Seoul, KR;
Hyun Tae Son, Seoul, KR;
Assignee:
EUTILEX CO., LTD., SEOUL, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
U.S. Cl.
CPC ...
C07K 14/70521 ; A61P 35/00 ; C07K 16/2878 ; C07K 2317/31 ; C07K 2317/622 ; C07K 2317/76 ; C07K 2317/92 ; C07K 2319/03 ; C07K 2319/30 ;
Kwon, Byoung. (2026). Pd-1 polypeptide variants (U.S. Patent No. 12559538). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12559538
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile