Wednesday, July 8, 2026

Patent intelligence · US

US 11654124

Stabilized formulations of 4-amino-3-substituted butanoic acid derivatives

granted A61KA61K31/197A61K9/1611A61K9/1623
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 17
Applicant portfolio 32
Patent details — US 11654124
Jurisdiction
US
Status
granted
Grant date
May 23, 2023
Expiration
May 18, 2043
Claims
13
CPC classes
A61K, A61K31/197, A61K9/1611, A61K9/1623
View on Google Patents ↗

Quick answer

US 11654124 (Stabilized formulations of 4-amino-3-substituted butanoic acid derivatives) is held by AMNEAL PHARMACEUTICALS LLC. Status: granted. Granted May 23, 2023. Expires May 18, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
13
CPC classes
A61K, A61K31/197, A61K9/1611, A61K9/1623, A61K9/1635, A61K9/1664

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Frequently asked questions

What is US patent 11654124?

US 11654124 (Stabilized formulations of 4-amino-3-substituted butanoic acid derivatives) is held by AMNEAL PHARMACEUTICALS LLC. Status: granted. Granted May 23, 2023. Expires May 18, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11654124?

AMNEAL PHARMACEUTICALS LLC is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 32 pharmaceutical patents for this assignee.

When does US 11654124 expire?

Our index shows an expiration date of May 18, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.