Wednesday, July 8, 2026

Patent intelligence · US

US 11591613

Retroviral and lentiviral vectors

granted A61KA61K38/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 17
Applicant portfolio 49
Patent details — US 11591613

Quick answer

US 11591613 (Retroviral and lentiviral vectors) is held by AUTOLUS LIMITED. Status: granted. Granted Feb 28, 2023. Expires Feb 23, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
AUTOLUS LIMITED
Grant date
Expiration
Claims
7
CPC classes
A61K, A61K38/00

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Frequently asked questions

What is US patent 11591613?

US 11591613 (Retroviral and lentiviral vectors) is held by AUTOLUS LIMITED. Status: granted. Granted Feb 28, 2023. Expires Feb 23, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11591613?

AUTOLUS LIMITED is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 49 pharmaceutical patents for this assignee.

When does US 11591613 expire?

Our index shows an expiration date of Feb 23, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.