Wednesday, July 8, 2026

Patent intelligence · US

US 6299873

Method for improvement of radiation therapy of malignant tumors

expired A61KA61K2039/5152A61K41/0095
Status expired
Linked drugs 3
Pipeline programs 6
Years to expiry 0
Applicant portfolio 179
Patent details — US 6299873
Jurisdiction
US
Status
expired
Grant date
Oct 9, 2001
Expiration
Oct 4, 2021
Claims
5
CPC classes
A61K, A61K2039/5152, A61K41/0095
View on Google Patents ↗

Quick answer

US 6299873 (Method for improvement of radiation therapy of malignant tumors) is held by UNIVERSITY OF CONNECTICUT. Status: expired. Granted Oct 9, 2001. Expires Oct 4, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
5
CPC classes
A61K, A61K2039/5152, A61K41/0095

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Frequently asked questions

What is US patent 6299873?

US 6299873 (Method for improvement of radiation therapy of malignant tumors) is held by UNIVERSITY OF CONNECTICUT. Status: expired. Granted Oct 9, 2001. Expires Oct 4, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6299873?

UNIVERSITY OF CONNECTICUT is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 179 pharmaceutical patents for this assignee.

When does US 6299873 expire?

Our index shows an expiration date of Oct 4, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.