Wednesday, July 8, 2026

Patent intelligence · US

US 11312786

Oncofetal antigen binding proteins and related compositions and methods

granted A61KA61K2039/505A61K2039/5152A61K38/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 13
Patent details — US 11312786
Jurisdiction
US
Status
granted
Grant date
Apr 26, 2022
Expiration
Apr 21, 2042
Claims
19
CPC classes
A61K, A61K2039/505, A61K2039/5152, A61K38/00
View on Google Patents ↗

Quick answer

US 11312786 (Oncofetal antigen binding proteins and related compositions and methods) is held by Aptevo Research and Development LLC. Status: granted. Granted Apr 26, 2022. Expires Apr 21, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61K, A61K2039/505, A61K2039/5152, A61K38/00, A61K39/395, A61P

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Frequently asked questions

What is US patent 11312786?

US 11312786 (Oncofetal antigen binding proteins and related compositions and methods) is held by Aptevo Research and Development LLC. Status: granted. Granted Apr 26, 2022. Expires Apr 21, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11312786?

Aptevo Research and Development LLC is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 13 pharmaceutical patents for this assignee.

When does US 11312786 expire?

Our index shows an expiration date of Apr 21, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.