Wednesday, July 8, 2026

Patent intelligence · US

US 11566011

Highly purified pharmaceutical grade tasimelteon

granted A61PA61P25/20
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 17
Applicant portfolio 96
Patent details — US 11566011

Quick answer

US 11566011 (Highly purified pharmaceutical grade tasimelteon) is held by VANDA PHARMACEUTICALS INC.. Status: granted. Granted Jan 31, 2023. Expires Jan 26, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
5
CPC classes
A61P, A61P25/20

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Frequently asked questions

What is US patent 11566011?

US 11566011 (Highly purified pharmaceutical grade tasimelteon) is held by VANDA PHARMACEUTICALS INC.. Status: granted. Granted Jan 31, 2023. Expires Jan 26, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11566011?

VANDA PHARMACEUTICALS INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 96 pharmaceutical patents for this assignee.

When does US 11566011 expire?

Our index shows an expiration date of Jan 26, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.