Wednesday, July 8, 2026

Patent intelligence · US

US 11571440

Defibrotide for the prevention and treatment of cytokine release syndrome and neurotoxicity associated with immunodepletion

granted A61KA61K2039/5156A61K2039/5158A61K31/711
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 17
Applicant portfolio 89
Patent details — US 11571440
Jurisdiction
US
Status
granted
Grant date
Feb 7, 2023
Expiration
Feb 2, 2043
Claims
17
CPC classes
A61K, A61K2039/5156, A61K2039/5158, A61K31/711
View on Google Patents ↗

Quick answer

US 11571440 (Defibrotide for the prevention and treatment of cytokine release syndrome and neurotoxicity associated with immunodepletion) is held by Jazz Pharmaceuticals Ireland Limited. Status: granted. Granted Feb 7, 2023. Expires Feb 2, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
17
CPC classes
A61K, A61K2039/5156, A61K2039/5158, A61K31/711, A61K39/0011, A61K45/06

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Frequently asked questions

What is US patent 11571440?

US 11571440 (Defibrotide for the prevention and treatment of cytokine release syndrome and neurotoxicity associated with immunodepletion) is held by Jazz Pharmaceuticals Ireland Limited. Status: granted. Granted Feb 7, 2023. Expires Feb 2, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11571440?

Jazz Pharmaceuticals Ireland Limited is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 89 pharmaceutical patents for this assignee.

When does US 11571440 expire?

Our index shows an expiration date of Feb 2, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.