Wednesday, July 8, 2026

Patent intelligence · US

US 11299549

Humanized BCMA antibody and BCMA-CAR-T cells

granted A61KA61K2035/124A61K2039/505A61K2039/54
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 16
Applicant portfolio 19
Patent details — US 11299549
Jurisdiction
US
Status
granted
Grant date
Apr 12, 2022
Expiration
Apr 7, 2042
Claims
22
CPC classes
A61K, A61K2035/124, A61K2039/505, A61K2039/54
View on Google Patents ↗

Quick answer

US 11299549 (Humanized BCMA antibody and BCMA-CAR-T cells) is held by Caribou Biosciences, Inc.. Status: granted. Granted Apr 12, 2022. Expires Apr 7, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
22
CPC classes
A61K, A61K2035/124, A61K2039/505, A61K2039/54, A61K2039/804, A61K2239/31

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Frequently asked questions

What is US patent 11299549?

US 11299549 (Humanized BCMA antibody and BCMA-CAR-T cells) is held by Caribou Biosciences, Inc.. Status: granted. Granted Apr 12, 2022. Expires Apr 7, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11299549?

Caribou Biosciences, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 19 pharmaceutical patents for this assignee.

When does US 11299549 expire?

Our index shows an expiration date of Apr 7, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.