Wednesday, July 8, 2026

Patent intelligence · US

US 11701355

Levosimendan for treating pulmonary hypertension with heart failure with preserved ejection fraction (PH-HFpEF)

granted A61KA61K31/216A61K31/41A61K31/495
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 17
Applicant portfolio 4
Patent details — US 11701355
Jurisdiction
US
Status
granted
Grant date
Jul 18, 2023
Expiration
Jul 13, 2043
Claims
10
CPC classes
A61K, A61K31/216, A61K31/41, A61K31/495
View on Google Patents ↗

Quick answer

US 11701355 (Levosimendan for treating pulmonary hypertension with heart failure with preserved ejection fraction (PH-HFpEF)) is held by TENAX THERAPEUTICS, INC.. Status: granted. Granted Jul 18, 2023. Expires Jul 13, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
10
CPC classes
A61K, A61K31/216, A61K31/41, A61K31/495, A61K31/50, A61K31/502

More from TENAX THERAPEUTICS, INC.

Related pharmaceutical patents in our USPTO index.

  1. US 11969424

    Levosimendan for treating pulmonary hypertension with heart failure with preserved ejection fraction (PH-HFpEF)

    TENAX THERAPEUTICS, INC. · Expires Apr 25, 2044

    granted
  2. US 11607412

    Levosimendan for treating pulmonary hypertension with heart failure with preserved ejection fraction (PH-HFpEF)

    TENAX THERAPEUTICS, INC. · Expires Mar 16, 2043

    granted
  3. US 11213524

    Pharmaceutical compositions for subcutaneous administration of levosimendan

    TENAX THERAPEUTICS, INC. · Expires Dec 30, 2041

    granted

Frequently asked questions

What is US patent 11701355?

US 11701355 (Levosimendan for treating pulmonary hypertension with heart failure with preserved ejection fraction (PH-HFpEF)) is held by TENAX THERAPEUTICS, INC.. Status: granted. Granted Jul 18, 2023. Expires Jul 13, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11701355?

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 11701355 expire?

Our index shows an expiration date of Jul 13, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.