Wednesday, July 8, 2026

Patent intelligence · US

US 10501551

Multivalent and multispecific 41BB-binding fusion proteins

granted A61PA61P29/00A61P35/00A61P37/04
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 13
Applicant portfolio 35
Patent details — US 10501551
Jurisdiction
US
Status
granted
Grant date
Dec 10, 2019
Expiration
Dec 5, 2039
Applicant
Inhibrx, Inc.
Claims
64
CPC classes
A61P, A61P29/00, A61P35/00, A61P37/04
View on Google Patents ↗

Quick answer

US 10501551 (Multivalent and multispecific 41BB-binding fusion proteins) is held by Inhibrx, Inc.. Status: granted. Granted Dec 10, 2019. Expires Dec 5, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
Inhibrx, Inc.
Grant date
Expiration
Claims
64
CPC classes
A61P, A61P29/00, A61P35/00, A61P37/04, A61P43/00

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Frequently asked questions

What is US patent 10501551?

US 10501551 (Multivalent and multispecific 41BB-binding fusion proteins) is held by Inhibrx, Inc.. Status: granted. Granted Dec 10, 2019. Expires Dec 5, 2039 (13 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 10501551?

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

When does US 10501551 expire?

Our index shows an expiration date of Dec 5, 2039 (13 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.