Wednesday, July 8, 2026

Patent intelligence · US

US 6305380

Method for treatment of cancer and infectious disease

expired A61KA61K38/212A61K45/06A61P
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 138
Patent details — US 6305380
Jurisdiction
US
Status
expired
Grant date
Oct 23, 2001
Expiration
Oct 18, 2021
Claims
18
CPC classes
A61K, A61K38/212, A61K45/06, A61P
View on Google Patents ↗

Quick answer

US 6305380 (Method for treatment of cancer and infectious disease) is held by Maxim Pharmaceuticals, Inc.. Status: expired. Granted Oct 23, 2001. Expires Oct 18, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61K, A61K38/212, A61K45/06, A61P, A61P31/12

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Frequently asked questions

What is US patent 6305380?

US 6305380 (Method for treatment of cancer and infectious disease) is held by Maxim Pharmaceuticals, Inc.. Status: expired. Granted Oct 23, 2001. Expires Oct 18, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6305380?

Maxim Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 138 pharmaceutical patents for this assignee.

When does US 6305380 expire?

Our index shows an expiration date of Oct 18, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.