Wednesday, June 10, 2026

Patent intelligence · US

US 2021038684

Compositions and Methods for Cancer Immunotherapy

granted A61K 9/ 00 A IA61K 38/ 16 A IA61K 39/ 395 A IA61K/3816
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 15
Applicant portfolio 25
Patent details — US 2021038684
Jurisdiction
US
Status
granted
Grant date
Feb 11, 2021
Expiration
Feb 6, 2041
CPC classes
A61K 9/ 00 A I, A61K 38/ 16 A I, A61K 39/ 395 A I, A61K/3816
View on Google Patents ↗

Quick answer

US 2021038684 (Compositions and Methods for Cancer Immunotherapy) is held by ALKERMES PHARMA IRELAND LTD [IE]. Status: granted. Granted Feb 11, 2021. Expires Feb 6, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 9/ 00 A I, A61K 38/ 16 A I, A61K 39/ 395 A I, A61K/3816, A61K/381793, A61K/382013

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Frequently asked questions

What is US patent 2021038684?

US 2021038684 (Compositions and Methods for Cancer Immunotherapy) is held by ALKERMES PHARMA IRELAND LTD [IE]. Status: granted. Granted Feb 11, 2021. Expires Feb 6, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 2021038684?

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 2021038684 expire?

Our index shows an expiration date of Feb 6, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.