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Docket 24-1068October Term 2025 (2025–2026)

Monsanto Company, Petitioner v. John L. Durnell

Monsanto challenges state court rulings holding it liable for damages from its Roundup herbicide product. The case addresses federal preemption of state tort claims for EPA-approved pesticide labels.

Case overview

Dispute
Monsanto challenges state court rulings holding it liable for damages from its Roundup herbicide product. The case addresses federal preemption of state tort claims for EPA-approved pesticide labels.
Issue
The Court is deciding whether does the Federal Insecticide, Fungicide, and Rodenticide Act preempt a label-based failure-to-warn claim where EPA has not required the warning.
Current posture
Argued Apr 27, 2026.

Question

Question presented

Does the Federal Insecticide, Fungicide, and Rodenticide Act preempt a label-based failure-to-warn claim where EPA has not required the warning?

Plain English

The Court is deciding whether does the Federal Insecticide, Fungicide, and Rodenticide Act preempt a label-based failure-to-warn claim where EPA has not required the warning.

Procedural posture

Case Accepted
Arguments HeardApr 27, 2026
Decision ReleasedUpcoming
Originating court
Court of Appeals of Missouri, Eastern District
Supreme Court review
Awaiting Decision
Argument
Held Apr 27, 2026
Opinion
Not released

Who is watching

Legal area
Product Liability
Institutional path
Court of Appeals of Missouri, Eastern District decision under Supreme Court review
What changes next
The next public milestone is the Court's disposition.
Term context
Awaiting Decision in October Term 2025 (2025–2026)