Wednesday, July 8, 2026

Patent intelligence · US

US 11478425

Extended release compositions comprising pyridostigmine

granted A61KA61K31/4425A61K9/0065A61K9/1676
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 16
Applicant portfolio 32
Patent details — US 11478425
Jurisdiction
US
Status
granted
Grant date
Oct 25, 2022
Expiration
Oct 20, 2042
Claims
13
CPC classes
A61K, A61K31/4425, A61K9/0065, A61K9/1676
View on Google Patents ↗

Quick answer

US 11478425 (Extended release compositions comprising pyridostigmine) is held by Amneal Complex Products Research LLC. Status: granted. Granted Oct 25, 2022. Expires Oct 20, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
13
CPC classes
A61K, A61K31/4425, A61K9/0065, A61K9/1676, A61K9/2009, A61K9/2013

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Frequently asked questions

What is US patent 11478425?

US 11478425 (Extended release compositions comprising pyridostigmine) is held by Amneal Complex Products Research LLC. Status: granted. Granted Oct 25, 2022. Expires Oct 20, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11478425?

Amneal Complex Products Research LLC is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 32 pharmaceutical patents for this assignee.

When does US 11478425 expire?

Our index shows an expiration date of Oct 20, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.