Saturday, July 11, 2026

Patent intelligence · US

US 6827926

Metallotetrapyrrolic photosensitizing agents for use in photodynamic therapy

expired A61KA61K41/0071A61K49/0036A61P
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 308
Patent details — US 6827926
Jurisdiction
US
Status
expired
Grant date
Dec 7, 2004
Expiration
Dec 2, 2024
Claims
58
CPC classes
A61K, A61K41/0071, A61K49/0036, A61P
View on Google Patents ↗

Quick answer

US 6827926 (Metallotetrapyrrolic photosensitizing agents for use in photodynamic therapy) is held by Miravant Pharmaceuticals, Inc.. Status: expired. Granted Dec 7, 2004. Expires Dec 2, 2024 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
58
CPC classes
A61K, A61K41/0071, A61K49/0036, A61P, A61P17/00, A61P17/02

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Frequently asked questions

What is US patent 6827926?

US 6827926 (Metallotetrapyrrolic photosensitizing agents for use in photodynamic therapy) is held by Miravant Pharmaceuticals, Inc.. Status: expired. Granted Dec 7, 2004. Expires Dec 2, 2024 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6827926?

Miravant Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 308 pharmaceutical patents for this assignee.

When does US 6827926 expire?

Our index shows an expiration date of Dec 2, 2024 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.