Wednesday, July 8, 2026

Patent intelligence · US

US 12076316

Levorphanol prodrugs and processes for making and using them

granted A61KA61K31/485A61K45/06A61K47/542
Status granted
Linked drugs 1
Pipeline programs 4
Years to expiry 18
Applicant portfolio 5
Patent details — US 12076316
Jurisdiction
US
Status
granted
Grant date
Sep 3, 2024
Expiration
Aug 29, 2044
Claims
15
CPC classes
A61K, A61K31/485, A61K45/06, A61K47/542
View on Google Patents ↗

Quick answer

US 12076316 (Levorphanol prodrugs and processes for making and using them) is held by Zevra Therapeutics, Inc.. Status: granted. Granted Sep 3, 2024. Expires Aug 29, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
15
CPC classes
A61K, A61K31/485, A61K45/06, A61K47/542, A61K47/551, A61K47/60

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Frequently asked questions

What is US patent 12076316?

US 12076316 (Levorphanol prodrugs and processes for making and using them) is held by Zevra Therapeutics, Inc.. Status: granted. Granted Sep 3, 2024. Expires Aug 29, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 12076316?

Zevra Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 5 pharmaceutical patents for this assignee.

When does US 12076316 expire?

Our index shows an expiration date of Aug 29, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.