Wednesday, July 8, 2026

Patent intelligence · US

US 12042558

Method and formulation for improving roflumilast skin penetration lag time

granted A61KA61K31/122A61K31/17A61K31/194
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 18
Applicant portfolio 30
Patent details — US 12042558
Jurisdiction
US
Status
granted
Grant date
Jul 23, 2024
Expiration
Jul 18, 2044
Claims
6
CPC classes
A61K, A61K31/122, A61K31/17, A61K31/194
View on Google Patents ↗

Quick answer

US 12042558 (Method and formulation for improving roflumilast skin penetration lag time) is held by ARCUTIS BIOTHERAPEUTICS, INC.. Status: granted. Granted Jul 23, 2024. Expires Jul 18, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
6
CPC classes
A61K, A61K31/122, A61K31/17, A61K31/194, A61K31/366, A61K31/44

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Frequently asked questions

What is US patent 12042558?

US 12042558 (Method and formulation for improving roflumilast skin penetration lag time) is held by ARCUTIS BIOTHERAPEUTICS, INC.. Status: granted. Granted Jul 23, 2024. Expires Jul 18, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12042558?

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 12042558 expire?

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