Wednesday, July 8, 2026

Patent intelligence · US

US 12257242

Inhibition of crystal growth of roflumilast

granted A61KA61K31/44A61K45/06A61K47/10
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 19
Applicant portfolio 30
Patent details — US 12257242
Jurisdiction
US
Status
granted
Grant date
Mar 25, 2025
Expiration
Mar 20, 2045
Claims
25
CPC classes
A61K, A61K31/44, A61K45/06, A61K47/10
View on Google Patents ↗

Quick answer

US 12257242 (Inhibition of crystal growth of roflumilast) is held by ARCUTIS BIOTHERAPEUTICS, INC.. Status: granted. Granted Mar 25, 2025. Expires Mar 20, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
25
CPC classes
A61K, A61K31/44, A61K45/06, A61K47/10, A61K9/0014, A61K9/06

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Frequently asked questions

What is US patent 12257242?

US 12257242 (Inhibition of crystal growth of roflumilast) is held by ARCUTIS BIOTHERAPEUTICS, INC.. Status: granted. Granted Mar 25, 2025. Expires Mar 20, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12257242?

ARCUTIS BIOTHERAPEUTICS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 30 pharmaceutical patents for this assignee.

When does US 12257242 expire?

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