Thursday, July 9, 2026

Patent intelligence · US

US 11998604

Therapeutic uses for sodium thiosulfate formulations

granted A61KA61K33/04A61K33/243A61K47/02
Status granted
Linked drugs 1
Pipeline programs 3
Years to expiry 18
Applicant portfolio 8
Patent details — US 11998604
Jurisdiction
US
Status
granted
Grant date
Jun 4, 2024
Expiration
May 30, 2044
Claims
26
CPC classes
A61K, A61K33/04, A61K33/243, A61K47/02
View on Google Patents ↗

Quick answer

US 11998604 (Therapeutic uses for sodium thiosulfate formulations) is held by Fennec Pharmaceuticals, Inc.. Status: granted. Granted Jun 4, 2024. Expires May 30, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
26
CPC classes
A61K, A61K33/04, A61K33/243, A61K47/02, A61K47/18, A61K47/183

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Frequently asked questions

What is US patent 11998604?

US 11998604 (Therapeutic uses for sodium thiosulfate formulations) is held by Fennec Pharmaceuticals, Inc.. Status: granted. Granted Jun 4, 2024. Expires May 30, 2044 (18 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11998604?

Fennec Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8 pharmaceutical patents for this assignee.

When does US 11998604 expire?

Our index shows an expiration date of May 30, 2044 (18 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.