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Metformin Litigation

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This official website is maintained by the Notice and Claims Administrator retained and supervised by Class Counsel in the case entitled In re Metformin Marketing and Sales Practices Litigation, Civil Action No.20-cv-02334-MCA-MAH (U.S. District Court for the District of New Jersey)

Online Filing will be available on May 15, 2026

Individual Consumers
If you are a member of the Class as a consumer, you may file a claim for a share of the Settlement Fund.  You must complete a Claim Form and mail it to the Notice and Claims Administrator so that it is received no later than July 10, 2026. To file your claim by mail, download a copy of the claim form using this link:

•    Consumer Claim Form  

 

Third-Party Payors 
Third-party payor (“TPP”) class member are entities that purchased, paid, and/or provided reimbursement for a metformin-containing drug for consumption by their members, employees, insureds, participants, or beneficiaries. They include entities such as health insurance companies and self-insured health and welfare plans.

If you are a member of the Class as a TPP, you may file a claim for a share of the Settlement Fund.  You must complete a Claim Form and mail it to the Claims Administrator so that is received no later than July 10, 2026.

Transaction data is mandatory for claims of $100,000 or more, although the Claims Administrator may also require transaction data for claims of less than $100,000, so keep related transaction data and any other documentation supporting your claim in case the Claims Administrator requests it later. If your claim is for less than $100,000, you should still provide the transaction data with your claim submission if you can. A TPP filing template and a list of applicable NDC Numbers can be downloaded using these links:

To file your claim by mail, download a copy of the claim form using this link:

•    Third-Party Payor Claim Form  

Note: These documents are in PDF format. To view the
documents, you will need Adobe Acrobat Reader on your computer or other internet-enabled device.

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