Patent intelligence · US
US 11564888
Extended release compositions comprising trihexyphenidyl
Extended release compositions comprising trihexyphenidyl
Patent details — US 11564888
- Jurisdiction
- US
- Status
- granted
- Grant date
- Jan 31, 2023
- Expiration
- Jan 26, 2043
- Applicant
- Amneal Complex Products Research LLC
- Claims
- 17
- CPC classes
- A61K, A61K31/4453, A61K47/12, A61K9/0053
Quick answer
US 11564888 (Extended release compositions comprising trihexyphenidyl) is held by Amneal Complex Products Research LLC. Status: granted. Granted Jan 31, 2023. Expires Jan 26, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- Amneal Complex Products Research LLC
- Grant date
- Expiration
- Claims
- 17
- CPC classes
- A61K, A61K31/4453, A61K47/12, A61K9/0053, A61K9/2054, A61K9/2886
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Frequently asked questions
What is US patent 11564888?
US 11564888 (Extended release compositions comprising trihexyphenidyl) is held by Amneal Complex Products Research LLC. Status: granted. Granted Jan 31, 2023. Expires Jan 26, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 11564888?
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 11564888 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.