Wednesday, June 10, 2026

Patent intelligence Β· US

US 2022354866

IMMEDIATE RELEASE MULTILAYER TABLET

granted A61K 9/ 20 A IA61K 9/ 24 A IA61K 31/ 485 A IA61K 31/ 5513 A I
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 25
Patent details β€” US 2022354866
Jurisdiction
US
Status
granted
Grant date
Nov 10, 2022
Expiration
Nov 5, 2042
CPC classes
A61K 9/ 20 A I, A61K 9/ 24 A I, A61K 31/ 485 A I, A61K 31/ 5513 A I
View on Google Patents β†—

Quick answer

US 2022354866 (IMMEDIATE RELEASE MULTILAYER TABLET) is held by ALKERMES PHARMA IRELAND LTD [IE]. Status: granted. Granted Nov 10, 2022. Expires Nov 5, 2042 (16 years remaining) β€” relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
β€”
CPC classes
A61K 9/ 20 A I, A61K 9/ 24 A I, A61K 31/ 485 A I, A61K 31/ 5513 A I, A61K/31485, A61K/31551

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Frequently asked questions

What is US patent 2022354866?

US 2022354866 (IMMEDIATE RELEASE MULTILAYER TABLET) is held by ALKERMES PHARMA IRELAND LTD [IE]. Status: granted. Granted Nov 10, 2022. Expires Nov 5, 2042 (16 years remaining) β€” relevant for patent-cliff and LOE planning.

Who owns US 2022354866?

ALKERMES PHARMA IRELAND LTD [IE] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 25 pharmaceutical patents for this assignee.

When does US 2022354866 expire?

Our index shows an expiration date of Nov 5, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.