Metformin Lawsuit 2026: $5.55 Million Settlement, Claim Deadline August 5, Payout Details
Quick Answer
- A $5.55 million settlement resolved NDMA contamination claims against Teva, Granules, and Heritage Pharmaceuticals.
- The claim deadline was August 5, 2026. It has passed, and no new claims can be submitted.
- Consumers who filed before the deadline may receive payment; amounts depend on how many claims were valid.
If you’re searching for metformin lawsuit information, you’re likely a Type 2 diabetes patient who took a generic version of the drug. Or you saw a headline about NDMA contamination and wondered if you qualify for money.
Here’s the honest answer: the main metformin settlement had a claim deadline of August 5, 2026. That deadline has passed. If you didn’t file by then, you missed the window. If you did file, your payment is pending.
This article breaks down the verified facts of the $5.55 million settlement, explains the original FDA recalls that triggered it, and shows you what happened to the deadline. The most surprising verified detail: the settlement covers purchases going back to July 20, 2015, five years before the first recalls were announced.
The Facts
| Case | In re: Metformin Marketing and Sales Practices Litigation, No. 2:20-cv-2324-MCA-MAH |
| Status | Final approval granted August 12, 2026; claim deadline passed August 5, 2026 |
| Fund Size | $5.55 million |
| Est. Per Person | Varies based on claims filed; no fixed amount published |
| Claim Deadline | August 5, 2026 (extended from July 10, 2026) |
| Administrator | Not publicly named in available records |
| Proof Needed | No proof of purchase required for consumer claims |
Is the metformin lawsuit real or a scam?
The metformin lawsuit is real, and it resulted in a court-approved settlement. This isn’t a text-message scam or a fake claims website. The case was filed in the U.S. District Court for the District of New Jersey and received preliminary approval in April 2026 .
The defendants are Teva Pharmaceuticals USA, Inc., Granules Pharmaceuticals, Inc., and Heritage Pharmaceuticals, Inc. The plaintiffs alleged these companies marketed and sold generic metformin contaminated with N-nitrosodimethylamine (NDMA), a probable human carcinogen .
NDMA isn’t a new problem. The FDA announced recalls of extended-release metformin from five manufacturers in 2020, including Apotex, Amneal, Marksans, Lupin, and Teva . The recalls happened after FDA testing found NDMA levels above acceptable limits .
The settlement covers economic loss claims. That means you’re being compensated for money you spent on contaminated medication, not for health problems. Claims that metformin caused cancer are separate from this settlement.
Key Takeaway: The metformin settlement is real and court-approved. It compensates consumers who paid for contaminated generic metformin, but the claim deadline has passed.
How much is the metformin lawsuit settlement?
The metformin lawsuit settlement is $5.55 million, agreed to by Teva, Granules, and Heritage Pharmaceuticals. The court granted preliminary approval in April 2026 and final approval on August 12, 2026 .
That’s the total fund. How much any individual receives depends on how many valid claims were filed. The settlement administrators haven’t published a per-person payout amount.
Here’s what we know about the payment structure:
| Factor | Detail |
|---|---|
| Total Fund | $5.55 million |
| Defendants | Teva, Granules, Heritage |
| Claim Period | July 20, 2015 to June 2, 2020 |
| Proof Required | None for consumers |
| Payout Method | Pro rata based on valid claims |
The settlement notice didn’t publish tiered payouts. If you filed a claim, your payment depends on how many other people filed and how the administrator calculates each share.
Reality Check: No one is texting you about a metformin payout. The claim deadline passed on August 5, 2026. If you see an ad promising money from this settlement, it’s a scam. Filing was always free through the official settlement website.
Who qualified for the metformin settlement?
You qualified for the metformin settlement if you purchased or paid for a qualifying metformin-containing drug between July 20, 2015 and June 2, 2020. The settlement covered both individual consumers and third-party payors .
The eligibility criteria were straightforward:
- Consumers: Anyone in the U.S. who paid for metformin manufactured by Teva, Granules, or Heritage
- Third-Party Payors: Insurance companies or entities that reimbursed for the drugs
- Purchase window: July 20, 2015 through June 2, 2020
- Geographic scope: United States
No proof of purchase was required for consumer claims . That means you didn’t need to dig up old receipts or pharmacy records. The settlement trusted claimants to report accurately.
This is different from many class actions that require documentation. The streamlined process was designed to make it easier for patients to participate.
The settlement only covered economic loss. It did not compensate for personal injuries, cancer diagnoses, or medical monitoring. Those claims would need to be pursued separately, and the settlement release likely barred future lawsuits related to the contamination.
What was the metformin NDMA contamination about?
The metformin NDMA contamination involved generic versions of the diabetes drug that contained N-nitrosodimethylamine, a probable human carcinogen, above FDA-acceptable levels. The FDA announced multiple recalls in 2020 .
NDMA is an environmental contaminant found in water and foods, including meats and dairy products. It’s classified as a probable human carcinogen based on laboratory tests .
The recalls affected extended-release metformin from these manufacturers:
| Manufacturer | Recall Scope | Date |
|---|---|---|
| Amneal | All lots, 500mg and 750mg | June 2020 |
| Apotex | All lots | 2020 |
| Marksans (Time-Cap) | One lot (XP9004) | 2020 |
| Lupin | One lot (G901203) | 2020 |
| Teva (Actavis) | 14 lots | 2020 |
| Nostrum | Two lots, 750mg | November 2020 |
The FDA and American Diabetes Association told patients not to stop taking metformin without consulting their doctor. For most patients, the risks of uncontrolled diabetes outweighed the NDMA exposure .
The contamination issue extended beyond metformin. NDMA was also found in valsartan, ranitidine (Zantac), and nizatidine. A South Korean court ruling in 2026 addressed similar NDMA issues involving metformin and other drugs .
What was the metformin settlement claim deadline?
The metformin settlement claim deadline was August 5, 2026. It was originally set for July 10, 2026, but was extended .
The extension gave claimants more time, but it still passed. The settlement website stopped accepting new claims after that date.
Key dates in the settlement timeline:
- April 2026: Preliminary approval granted
- May 2026: Settlement notice disseminated
- July 10, 2026: Original claim deadline
- August 5, 2026: Extended claim deadline
- August 12, 2026: Final approval hearing
If you filed a claim before the deadline, you should have received a confirmation. If you didn’t file, there’s no way to add a claim now.
What happens if you missed the metformin claim deadline?
If you missed the metformin claim deadline, you cannot file a claim in this settlement. The deadline was August 5, 2026, and the court has already granted final approval. There’s no late claims process for this case.
Missing a settlement deadline is like missing the window to return a defective product. Once it closes, the store won’t take it back. The legal system works the same way. Deadlines in class actions are strictly enforced.
Your options now are limited:
- Check for other settlements: Other metformin-related cases may exist, though none have been announced as of October 2026.
- Consult an attorney: If you believe you have a personal injury claim related to NDMA exposure, a product liability lawyer can evaluate your options.
- Monitor for new cases: The FDA recall history and ongoing litigation mean additional settlements could emerge.
The settlement release likely barred future claims against Teva, Granules, and Heritage related to the contamination. That means even if you have health problems you attribute to NDMA, you may have waived your right to sue those companies.
How do you check if you filed a valid metformin claim?
You check if you filed a valid metformin claim by contacting the settlement administrator through the official website. The settlement website is inremetforminsettlement.com .
If you submitted a claim, you should have received a confirmation email or postcard. If you didn’t receive confirmation, your claim may not have been processed.
Here’s how to verify your claim status:
- Visit the official settlement website and look for a status lookup tool.
- Check your email for confirmation from the settlement administrator.
- Review your mail for postcard notices about claim status.
- Contact the administrator if you have questions about your filing.
- Wait for payment notification if your claim was valid.
The settlement administrator hasn’t published a payment timeline. In most class actions, payments go out within 60 to 120 days after final approval, assuming no appeals. Final approval was August 12, 2026, so payments could arrive in late 2026 or early 2027.
What Happens Next
- August 12, 2026: Final approval granted for the $5.55 million settlement .
- Expected Q4 2026: Claims processing and validation by the settlement administrator.
- Expected Q4 2026 or Q1 2027: Payment distribution to valid claimants.
- Ongoing: No new claims can be filed. The settlement is closed to new participants.
Frequently Asked Questions
What is the metformin lawsuit about?
The metformin lawsuit alleged that Teva, Granules, and Heritage Pharmaceuticals sold generic metformin contaminated with NDMA, a probable carcinogen, between 2015 and 2020.
How much was the metformin settlement?
The metformin settlement was $5.55 million. The court granted final approval on August 12, 2026.
Can I still file a metformin claim?
No. The claim deadline was August 5, 2026. It has passed, and no new claims can be filed.
Did I need proof of purchase for the metformin settlement?
No. The settlement allowed consumer claims without proof of purchase. You only needed to attest that you bought qualifying metformin during the claim period.
When will metformin settlement payments go out?
Payments are expected in late 2026 or early 2027. The administrator hasn’t published an exact distribution date.
What was the claim period for the metformin settlement?
The claim period was July 20, 2015 through June 2, 2020. Purchases outside that window don’t qualify.
Which companies were part of the metformin settlement?
Teva Pharmaceuticals USA, Granules Pharmaceuticals, and Heritage Pharmaceuticals were the settling defendants.
What if I took metformin and developed cancer?
This settlement only covered economic losses. Personal injury claims are separate. If you developed cancer and believe it’s linked to NDMA exposure, consult a product liability attorney.
