Wednesday, July 8, 2026

Patent intelligence · US

US 11925663

Methods of managing tumor flare in adoptive immunotherapy

granted A61KA61K2039/545A61K2039/585A61K2239/31
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 18
Applicant portfolio 10
Patent details — US 11925663
Jurisdiction
US
Status
granted
Grant date
Mar 12, 2024
Expiration
Mar 7, 2044
Claims
25
CPC classes
A61K, A61K2039/545, A61K2039/585, A61K2239/31
View on Google Patents ↗

Quick answer

US 11925663 (Methods of managing tumor flare in adoptive immunotherapy) is held by Atara Biotherapeutics, Inc.. Status: granted. Granted Mar 12, 2024. Expires Mar 7, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
25
CPC classes
A61K, A61K2039/545, A61K2039/585, A61K2239/31, A61K2239/38, A61K2239/48

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Frequently asked questions

What is US patent 11925663?

US 11925663 (Methods of managing tumor flare in adoptive immunotherapy) is held by Atara Biotherapeutics, Inc.. Status: granted. Granted Mar 12, 2024. Expires Mar 7, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11925663?

Atara Biotherapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 10 pharmaceutical patents for this assignee.

When does US 11925663 expire?

Our index shows an expiration date of Mar 7, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.