Wednesday, July 8, 2026

Patent intelligence · US

US 12227584

Multivalent and multispecific OX40-binding fusion proteins

granted A61KA61K2039/505A61PA61P29/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 19
Applicant portfolio 35
Patent details — US 12227584
Jurisdiction
US
Status
granted
Grant date
Feb 18, 2025
Expiration
Feb 13, 2045
Claims
18
CPC classes
A61K, A61K2039/505, A61P, A61P29/00
View on Google Patents ↗

Quick answer

US 12227584 (Multivalent and multispecific OX40-binding fusion proteins) is held by Inhibrx Biosciences, Inc.. Status: granted. Granted Feb 18, 2025. Expires Feb 13, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61K, A61K2039/505, A61P, A61P29/00, A61P35/00, A61P37/02

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Frequently asked questions

What is US patent 12227584?

US 12227584 (Multivalent and multispecific OX40-binding fusion proteins) is held by Inhibrx Biosciences, Inc.. Status: granted. Granted Feb 18, 2025. Expires Feb 13, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12227584?

Inhibrx Biosciences, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 35 pharmaceutical patents for this assignee.

When does US 12227584 expire?

Our index shows an expiration date of Feb 13, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.