Wednesday, July 8, 2026

Patent intelligence · US

US 11306121

Composition for muscle relaxation

granted A61KA61K38/08A61K8/64A61K9/0014
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 16
Applicant portfolio 8,292
Patent details — US 11306121
Jurisdiction
US
Status
granted
Grant date
Apr 19, 2022
Expiration
Apr 14, 2042
Applicant
CAREGEN CO., LTD.
Claims
11
CPC classes
A61K, A61K38/08, A61K8/64, A61K9/0014
View on Google Patents ↗

Quick answer

US 11306121 (Composition for muscle relaxation) is held by CAREGEN CO., LTD.. Status: granted. Granted Apr 19, 2022. Expires Apr 14, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
CAREGEN CO., LTD.
Grant date
Expiration
Claims
11
CPC classes
A61K, A61K38/08, A61K8/64, A61K9/0014, A61K9/1652, A61K9/2018

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Frequently asked questions

What is US patent 11306121?

US 11306121 (Composition for muscle relaxation) is held by CAREGEN CO., LTD.. Status: granted. Granted Apr 19, 2022. Expires Apr 14, 2042 (16 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11306121?

CAREGEN CO., LTD. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8,292 pharmaceutical patents for this assignee.

When does US 11306121 expire?

Our index shows an expiration date of Apr 14, 2042 (16 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.