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Supreme Court Rules Federal Law Prevents State Lawsuits Over Pesticide Labels

Original title: Monsanto v. Durnell

Record date · June 25, 2026

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What This Bill Does

The U.S. Supreme Court ruled that the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) prevents individuals from suing pesticide manufacturers under state law for failing to include cancer warnings on labels. The Court held that because the EPA approves specific pesticide labels, states cannot require manufacturers to add different or additional warnings.

Why it matters

This decision limits the ability of individuals to sue pesticide companies for claims in state courts if the EPA has already approved the product's label.

Who It Affects

Groups the bill's text affects, as described in the record. Being affected is not a position for or against it.

Directly affected

Pesticide Manufacturers

Companies are protected from state-level failure-to-warn lawsuits if they adhere to EPA-approved labeling.

Directly affected

Consumers

Individuals are restricted from pursuing state-law tort claims against manufacturers for label warnings that differ from federal standards.

Key Facts

  • The Supreme Court reversed the Missouri Court of Appeals decision in Monsanto v. Durnell.
  • The Court ruled that FIFRA expressly preempts state-law failure-to-warn claims regarding pesticide labels.
  • Manufacturers are legally required to use the specific label approved by the EPA.
  • The EPA has repeatedly concluded that glyphosate is not likely to cause cancer in humans.
Show all 8 facts
  • State tort duties are considered state labeling requirements under federal law.
  • The Court cited Riegel v. Medtronic, Inc. as precedent for federal preemption of state-law claims.
  • The ruling prevents states from imposing labeling requirements that are different from or in addition to federal requirements.
  • John Durnell was previously awarded over $1 million by a jury in his state-level lawsuit.

Frequently Asked Questions

Can I still sue a pesticide company for not having a cancer warning on their label?
No, the Supreme Court ruled that federal law (FIFRA) prevents state-level lawsuits that would require a manufacturer to add warnings beyond what the EPA has approved.
Does the EPA consider glyphosate to be a cancer-causing substance?
The document states that the EPA has repeatedly evaluated glyphosate and concluded it is not likely to cause cancer in humans.

What else do you want to know?

News Coverage

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Full breakdown

Who this bill affects and the strongest case for and against it, written only from the bill’s own text.

Discoveries

1 pattern noticed across the record

Patterns POLISCOPE noticed across the record. These are observations to investigate, not conclusions.

policy shift90% confidence

Federal Preemption Expansion

The Court applied the logic from medical device regulation (Riegel v. Medtronic) to pesticide labeling, signaling a broad application of federal preemption for EPA-approved products.

Connected Entities

Brett Kavanaugh, John Durnell, Monsanto Company and 1 more
PersonBrett Kavanaugh“Supreme Court Justice who delivered the opinion of the Court.”Map →
PersonJohn Durnell“Respondent who sued Monsanto alleging Roundup caused his non-Hodgkin’s lymphoma.”Map →
OrganizationMonsanto Company“Petitioner and manufacturer of Roundup.”Map →
OrganizationEnvironmental Protection Agency“Federal agency responsible for registering pesticides and approving labels.”Map →

Sources

Open source document

www.courtlistener.com

Analysis Score

0–100
  • Significance90
    How much this matters to a regular citizen
  • Controversy85
    Intensity of disagreement among stakeholders
  • Entertainment40
    Compellingness for a non-policy-wonk reader
  • Buzz75
    Current news / social attention level

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