Wednesday, July 8, 2026

Patent intelligence · US

US 7462743

Polymorphs of memantine hydrochloride

granted A61PA61P25/16
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 2
Applicant portfolio 454
Patent details — US 7462743

Quick answer

US 7462743 (Polymorphs of memantine hydrochloride) is held by Teva Pharmaceutical Fine Chemicals S.R.L.. Status: granted. Granted Dec 9, 2008. Expires Dec 4, 2028 (2 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
27
CPC classes
A61P, A61P25/16

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Frequently asked questions

What is US patent 7462743?

US 7462743 (Polymorphs of memantine hydrochloride) is held by Teva Pharmaceutical Fine Chemicals S.R.L.. Status: granted. Granted Dec 9, 2008. Expires Dec 4, 2028 (2 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7462743?

Teva Pharmaceutical Fine Chemicals S.R.L. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 454 pharmaceutical patents for this assignee.

When does US 7462743 expire?

Our index shows an expiration date of Dec 4, 2028 (2 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.