Thursday, July 9, 2026

Patent intelligence · US

US 12234288

Immunogenic arginase 2 polypeptides

granted A61KA61K2039/505A61K38/00A61K39/001154
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 19
Applicant portfolio 21
Patent details — US 12234288
Jurisdiction
US
Status
granted
Grant date
Feb 25, 2025
Expiration
Feb 20, 2045
Applicant
IO Biotech ApS
Claims
7
CPC classes
A61K, A61K2039/505, A61K38/00, A61K39/001154
View on Google Patents ↗

Quick answer

US 12234288 (Immunogenic arginase 2 polypeptides) is held by IO Biotech ApS. Status: granted. Granted Feb 25, 2025. Expires Feb 20, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
IO Biotech ApS
Grant date
Expiration
Claims
7
CPC classes
A61K, A61K2039/505, A61K38/00, A61K39/001154, A61P, A61P35/00

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Frequently asked questions

What is US patent 12234288?

US 12234288 (Immunogenic arginase 2 polypeptides) is held by IO Biotech ApS. Status: granted. Granted Feb 25, 2025. Expires Feb 20, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12234288?

IO Biotech ApS is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 21 pharmaceutical patents for this assignee.

When does US 12234288 expire?

Our index shows an expiration date of Feb 20, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.