Wednesday, July 8, 2026

Patent intelligence · US

US 11471448

Sphingosine kinase 2 inhibitor for treating coronavirus infection in moderately severe patients with pneumonia

granted A61KA61K31/4409A61K9/48A61P
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 40
Patent details — US 11471448
Jurisdiction
US
Status
granted
Grant date
Oct 18, 2022
Expiration
Oct 13, 2042
Claims
20
CPC classes
A61K, A61K31/4409, A61K9/48, A61P
View on Google Patents ↗

Quick answer

US 11471448 (Sphingosine kinase 2 inhibitor for treating coronavirus infection in moderately severe patients with pneumonia) is held by RedHill Biopharma Ltd.. Status: granted. Granted Oct 18, 2022. Expires Oct 13, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
20
CPC classes
A61K, A61K31/4409, A61K9/48, A61P, A61P31/14

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Frequently asked questions

What is US patent 11471448?

US 11471448 (Sphingosine kinase 2 inhibitor for treating coronavirus infection in moderately severe patients with pneumonia) is held by RedHill Biopharma Ltd.. Status: granted. Granted Oct 18, 2022. Expires Oct 13, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11471448?

RedHill Biopharma Ltd. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 40 pharmaceutical patents for this assignee.

When does US 11471448 expire?

Our index shows an expiration date of Oct 13, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.