Last Updated: August 3, 2026

GLUCOPHAGE Drug Patent Profile

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Which patents cover Glucophage, and what generic alternatives are available?

Glucophage is a drug marketed by Emd Serono Inc and is included in two NDAs.

The generic ingredient in GLUCOPHAGE is metformin hydrochloride. There are forty-nine drug master file entries for this compound. Eighty suppliers are listed for this compound. Additional details are available on the metformin hydrochloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Glucophage

A generic version of GLUCOPHAGE was approved as metformin hydrochloride by CHARTWELL on January 24^th, 2002.

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Summary for GLUCOPHAGE

US Patents:	0
Applicants:	1
NDAs:	2

US Patents and Regulatory Information for GLUCOPHAGE

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Emd Serono Inc	GLUCOPHAGE	metformin hydrochloride	TABLET;ORAL	020357-005	Nov 5, 1998		DISCN	Yes	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Emd Serono Inc	GLUCOPHAGE XR	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021202-004	Apr 11, 2003		DISCN	Yes	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Emd Serono Inc	GLUCOPHAGE	metformin hydrochloride	TABLET;ORAL	020357-004	Nov 5, 1998		DISCN	Yes	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Emd Serono Inc	GLUCOPHAGE	metformin hydrochloride	TABLET;ORAL	020357-001	Mar 3, 1995		DISCN	Yes	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.