Wednesday, July 8, 2026

Patent intelligence · US

US 6635676

Non-toxic antimicrobial compositions and methods of use

expired A61KA61K2800/21A61K2800/413A61K31/14
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 8,292
Patent details — US 6635676
Jurisdiction
US
Status
expired
Grant date
Oct 21, 2003
Expiration
Oct 16, 2023
Claims
18
CPC classes
A61K, A61K2800/21, A61K2800/413, A61K31/14
View on Google Patents ↗

Quick answer

US 6635676 (Non-toxic antimicrobial compositions and methods of use) is held by THE REGENTS OF THE UNIVERSITY OF MICHIGAN. Status: expired. Granted Oct 21, 2003. Expires Oct 16, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61K, A61K2800/21, A61K2800/413, A61K31/14, A61K45/06, A61K8/06

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Frequently asked questions

What is US patent 6635676?

US 6635676 (Non-toxic antimicrobial compositions and methods of use) is held by THE REGENTS OF THE UNIVERSITY OF MICHIGAN. Status: expired. Granted Oct 21, 2003. Expires Oct 16, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6635676?

THE REGENTS OF THE UNIVERSITY OF MICHIGAN is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 8,292 pharmaceutical patents for this assignee.

When does US 6635676 expire?

Our index shows an expiration date of Oct 16, 2023 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.