Wednesday, July 8, 2026

Patent intelligence · US

US 11213524

Pharmaceutical compositions for subcutaneous administration of levosimendan

granted A61KA61K31/50A61K47/40A61K9/0019
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 15
Applicant portfolio 4
Patent details — US 11213524
Jurisdiction
US
Status
granted
Grant date
Jan 4, 2022
Expiration
Dec 30, 2041
Claims
19
CPC classes
A61K, A61K31/50, A61K47/40, A61K9/0019
View on Google Patents ↗

Quick answer

US 11213524 (Pharmaceutical compositions for subcutaneous administration of levosimendan) is held by TENAX THERAPEUTICS, INC.. Status: granted. Granted Jan 4, 2022. Expires Dec 30, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61K, A61K31/50, A61K47/40, A61K9/0019, A61K9/19

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Frequently asked questions

What is US patent 11213524?

US 11213524 (Pharmaceutical compositions for subcutaneous administration of levosimendan) is held by TENAX THERAPEUTICS, INC.. Status: granted. Granted Jan 4, 2022. Expires Dec 30, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11213524?

TENAX THERAPEUTICS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 4 pharmaceutical patents for this assignee.

When does US 11213524 expire?

Our index shows an expiration date of Dec 30, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.