Wednesday, July 8, 2026

Patent intelligence · US

US 12384744

Enzyme-cleavable methadone prodrugs and methods of use thereof

granted A61KA61K31/245A61K31/27A61K45/06
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 19
Applicant portfolio 2
Patent details — US 12384744
Jurisdiction
US
Status
granted
Grant date
Aug 12, 2025
Expiration
Aug 7, 2045
Claims
3
CPC classes
A61K, A61K31/245, A61K31/27, A61K45/06
View on Google Patents ↗

Quick answer

US 12384744 (Enzyme-cleavable methadone prodrugs and methods of use thereof) is held by Ensysce Biosciences Inc.. Status: granted. Granted Aug 12, 2025. Expires Aug 7, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
3
CPC classes
A61K, A61K31/245, A61K31/27, A61K45/06

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Frequently asked questions

What is US patent 12384744?

US 12384744 (Enzyme-cleavable methadone prodrugs and methods of use thereof) is held by Ensysce Biosciences Inc.. Status: granted. Granted Aug 12, 2025. Expires Aug 7, 2045 (19 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12384744?

Ensysce Biosciences Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 2 pharmaceutical patents for this assignee.

When does US 12384744 expire?

Our index shows an expiration date of Aug 7, 2045 (19 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.