Oral Argument: Monsanto Co. v. Durnell

Monsanto Co. v. Durnell | Case No. 24-1068 | Docket Link: Here

Oral Advocates:

• Petitioner (Monsanto): Paul D. Clement of Clement & Murphy
• Respondent (Durnell): Ashley C. Keller of Keller Postman
• Amicus Curiae (United States): Sarah M. Harris of the Department of Justice

Question Presented: Whether FIFRA preempts a state failure-to-warn claim when EPA approved the pesticide label without requiring a cancer warning.

Overview: John Durnell sprayed Roundup for over two decades before a cancer diagnosis. EPA approved Roundup's label with no cancer warning for fifty years. The Court must decide whether that federal approval shields Monsanto from a $1.25 million Missouri jury verdict.

Posture: Missouri Court of Appeals affirmed jury verdict; Missouri Supreme Court denied transfer; cert granted.

Main Arguments:

• Monsanto (Petitioner): (1) EPA's pesticide-specific registration imposes binding federal labeling requirements that preempt conflicting state tort duties; (2) Missouri's failure-to-warn standard diverges from FIFRA's mandatory cost-benefit analysis; (3) Federal law forbade unilateral label changes, making simultaneous compliance with state and federal law impossible.

• Durnell (Respondent): (1) FIFRA delegates to courts and juries — not EPA — the final word on whether a label violates the misbranding prohibition; (2) Missouri law mirrors FIFRA's misbranding standards and runs parallel, not in conflict; (3) Monsanto could add a cancer warning unilaterally, as Bayer proved in 2012 with a different pesticide.

Implications: A Monsanto victory extinguishes over 100,000 Roundup cancer lawsuits nationwide and establishes that EPA registration conclusively insulates pesticide manufacturers from state tort liability — a rule that extends to every federally registered pesticide. A Durnell victory preserves state-court accountability for pesticide warnings and confirms that juries, not EPA, hold final authority over whether a label misled consumers. Durnell's victory also subjects every pesticide manufacturer to potentially inconsistent verdicts across fifty states, and risks removing critical agricultural chemicals from commerce through cascading liability.

The Fine Print:

• 7 U.S.C. § 136v(b): "Such State shall not impose or continue in effect any requirements for labeling or packaging in addition to or different from those required under this subchapter."
• 7 U.S.C. § 136a(f)(2): "In no event shall registration of an article be construed as a defense for the commission of any offense under this subchapter."

Primary Cases:

• Bates v. Dow Agrosciences LLC (2005): State failure-to-warn law targeting false or misleading pesticide labels survives FIFRA preemption when it mirrors the federal misbranding standard; preemption applies only where state requirements actually differ from federal requirements.
• PLIVA, Inc. v. Mensing (2011): Impossibility preemption bars state failure-to-warn claims when federal law prevents manufacturers from independently making the label change state law requires.

Timestamps:

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