Wednesday, July 8, 2026

Patent intelligence · US

US 11058664

In vitro and xenograft anti-tumor activity of a halogenated-xanthene against refractory pediatric solid tumors

granted A61KA61K31/343A61K31/352A61K31/365
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 15
Applicant portfolio 29
Patent details — US 11058664
Jurisdiction
US
Status
granted
Grant date
Jul 13, 2021
Expiration
Jul 8, 2041
Claims
13
CPC classes
A61K, A61K31/343, A61K31/352, A61K31/365
View on Google Patents ↗

Quick answer

US 11058664 (In vitro and xenograft anti-tumor activity of a halogenated-xanthene against refractory pediatric solid tumors) is held by Provectus Pharmatech, Inc.. Status: granted. Granted Jul 13, 2021. Expires Jul 8, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
13
CPC classes
A61K, A61K31/343, A61K31/352, A61K31/365, A61K31/4745, A61K31/475

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Frequently asked questions

What is US patent 11058664?

US 11058664 (In vitro and xenograft anti-tumor activity of a halogenated-xanthene against refractory pediatric solid tumors) is held by Provectus Pharmatech, Inc.. Status: granted. Granted Jul 13, 2021. Expires Jul 8, 2041 (15 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 11058664?

Provectus Pharmatech, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 29 pharmaceutical patents for this assignee.

When does US 11058664 expire?

Our index shows an expiration date of Jul 8, 2041 (15 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.