Last Updated: November 5, 2026

MEMANTINE Drug Patent Profile


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When do Memantine patents expire, and what generic alternatives are available?

Memantine is a drug marketed by Amneal Pharms, Ani Pharms, Apotex, Aurobindo Pharma Ltd, H2-pharma, Lupin, Macleods Pharms, Ph Health, Rising, Sun Pharm, Yichang Humanwell, Zydus Pharms, Apozeal Pharms, Chartwell Molecular, Medley Pharms, Ajanta Pharma Ltd, Alembic, Chartwell, Dr Reddys Labs Ltd, Hetero Labs Ltd V, Hikma, Jubilant Generics, Lannett Co Inc, Macleods Pharms Ltd, Orbion Pharms, Pointview Hldings, Puracap Labs Blu, Puracap Pharm Llc, Renata, Strides Pharma, Teva Pharms, Torrent, Unichem, Upsher Smith Labs, Yiling, Zydus Lifesciences, Amneal, and Xiamen Lp Pharm Co. and is included in forty-seven NDAs.

The generic ingredient in MEMANTINE is donepezil hydrochloride; memantine hydrochloride. There are two drug master file entries for this compound. Six suppliers are listed for this compound. Additional details are available on the donepezil hydrochloride; memantine hydrochloride profile page.

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Summary for MEMANTINE
US Patents:0
Applicants:38
NDAs:47
Drug Prices: Drug price information for MEMANTINE
Drug Sales Revenues: Drug sales revenues for MEMANTINE
DailyMed Link:MEMANTINE at DailyMed
Drug patent expirations by year for MEMANTINE
Drug Prices for MEMANTINE

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Drug Sales Revenue Trends for MEMANTINE

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US Patents and Regulatory Information for MEMANTINE

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Lannett Co Inc MEMANTINE HYDROCHLORIDE memantine hydrochloride TABLET;ORAL 207236-001 Nov 10, 2016 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Upsher Smith Labs MEMANTINE HYDROCHLORIDE memantine hydrochloride TABLET;ORAL 090043-002 Jul 31, 2015 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Yichang Humanwell MEMANTINE HYDROCHLORIDE memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 211100-001 Apr 2, 2021 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Ph Health MEMANTINE HYDROCHLORIDE memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 205784-004 Jun 9, 2017 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Renata MEMANTINE HYDROCHLORIDE memantine hydrochloride TABLET;ORAL 209527-001 May 7, 2018 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Xiamen Lp Pharm Co MEMANTINE HYDROCHLORIDE AND DONEPEZIL HYDROCHLORIDE donepezil hydrochloride; memantine hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 216901-002 Jul 15, 2025 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

 
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Preferred Citation:

Friedman, Yali. "DrugPatentWatch" DrugPatentWatch, thinkBiotech, 2026, www.DrugPatentWatch.com.
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