Wednesday, July 8, 2026

Patent intelligence · US

US 6629970

Method of restoring endothelium of cornea

expired A61KA61K38/05A61K9/0048
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 148
Patent details — US 6629970

Quick answer

US 6629970 (Method of restoring endothelium of cornea) is held by Obschestvo S Ogranichennoi Otvetstvennostiju “Nauchno-Experimentalnoe Proizvodstvo Mikrokhirurgia Glaza”. Status: expired. Granted Oct 7, 2003. Expires Oct 2, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
36
CPC classes
A61K, A61K38/05, A61K9/0048

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Frequently asked questions

What is US patent 6629970?

US 6629970 (Method of restoring endothelium of cornea) is held by Obschestvo S Ogranichennoi Otvetstvennostiju “Nauchno-Experimentalnoe Proizvodstvo Mikrokhirurgia Glaza”. Status: expired. Granted Oct 7, 2003. Expires Oct 2, 2023 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6629970?

Obschestvo S Ogranichennoi Otvetstvennostiju “Nauchno-Experimentalnoe Proizvodstvo Mikrokhirurgia Glaza” is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 148 pharmaceutical patents for this assignee.

When does US 6629970 expire?

Our index shows an expiration date of Oct 2, 2023 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.