Wednesday, July 8, 2026

Patent intelligence · US

US 11993655

Anti-PD-L1 antibody and use thereof

granted A61KA61K2039/505A61K2039/545A61K31/713
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 52
Patent details — US 11993655
Jurisdiction
US
Status
granted
Grant date
May 28, 2024
Expiration
May 23, 2044
Claims
18
CPC classes
A61K, A61K2039/505, A61K2039/545, A61K31/713
View on Google Patents ↗

Quick answer

US 11993655 (Anti-PD-L1 antibody and use thereof) is held by Oricell Therapeutics Co., Ltd.. Status: granted. Granted May 28, 2024. Expires May 23, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61K, A61K2039/505, A61K2039/545, A61K31/713, A61P, A61P35/00

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Frequently asked questions

What is US patent 11993655?

US 11993655 (Anti-PD-L1 antibody and use thereof) is held by Oricell Therapeutics Co., Ltd.. Status: granted. Granted May 28, 2024. Expires May 23, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11993655?

Oricell Therapeutics Co., Ltd. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 52 pharmaceutical patents for this assignee.

When does US 11993655 expire?

Our index shows an expiration date of May 23, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.