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Civil case

Monsanto Company v. Durnell

Authority: Supreme Court of the United States
Case number: 24-1068
Filed or opened: 2025 (petition, exact docketing date not read)
Organization: Bayer AG
Current stage: Decided on 25 June 2026. Missouri judgment reversed and remanded.
Outcome: Reversed and remanded in favour of Monsanto on the preemption question.

Decisions and steps

25 June 2026FIFRA preempts the state-law failure-to-warn claim, judgment reversed and remanded, 7-2^S3

Claims this case bears on

Supported95
The US Supreme Court held in June 2026 that federal pesticide law preempts a Missouri Roundup user's failure-to-warn claim against Monsanto.
Court filing, 25 June 20263 records citedCorporate status
Unresolved66
Plaintiffs in US Roundup lawsuits have claimed that exposure to the glyphosate-based herbicide Roundup causes non-Hodgkin lymphoma in humans.
Court filing, 25 June 20264 records citedProduct claims

Sources

S3Tier A Monsanto Co. v. Durnell, No. 24-1068, slip opinionSupreme Court of the United States. Court judgment. 25 June 2026.Holds that FIFRA preempts the failure-to-warn claim. It does not decide whether glyphosate causes cancer.Link working, checked 25 October 2026