Wednesday, July 8, 2026

Patent intelligence · US

US 12297203

Pyrrolopyrimidine ITK inhibitors

granted A61KA61K45/06A61PA61P29/00
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 19
Applicant portfolio 18
Patent details — US 12297203
Jurisdiction
US
Status
granted
Grant date
May 13, 2025
Expiration
May 8, 2045
Claims
5
CPC classes
A61K, A61K45/06, A61P, A61P29/00
View on Google Patents ↗

Quick answer

US 12297203 (Pyrrolopyrimidine ITK inhibitors) is held by Aclaris Therapeutics, Inc.. Status: granted. Granted May 13, 2025. Expires May 8, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
5
CPC classes
A61K, A61K45/06, A61P, A61P29/00, A61P37/00

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Frequently asked questions

What is US patent 12297203?

US 12297203 (Pyrrolopyrimidine ITK inhibitors) is held by Aclaris Therapeutics, Inc.. Status: granted. Granted May 13, 2025. Expires May 8, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12297203?

Aclaris Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 18 pharmaceutical patents for this assignee.

When does US 12297203 expire?

Our index shows an expiration date of May 8, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.