The Supreme Court heard oral arguments in Monsanto Company v. Durnell, a case that could impact over 100,000 lawsuits alleging that Bayer's Roundup weedkiller caused cancer in users who were not warned of the risk. At the center of the dispute is whether the Federal Insecticide, Fungicide and Rodenticide Act, or FIFRA, preempts state-level failure-to-warn claims.
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Media Coverage · April 27, 2026
The Supreme Court heard oral arguments in a case that could impact over 100,000 lawsuits alleging that Bayer's Roundup weedkiller caused cancer in users. The case centers on whether federal law preempts state-level claims that Bayer failed to warn users of the risk. Bayer argues that the EPA has repeatedly approved Roundup's active ingredient without a cancer warning.
newspaper Read articleSupreme Court on Monday heard oral arguments in Monsanto Company v. Durnell, a case that could extinguish more than 100,000 lawsuits alleging that Bayer's Roundup weedkiller caused cancer in users who were never warned of the risk. At the center of the dispute is whether the Federal Insecticide, Fungicide and Rodenticide Act, or FIFRA, preempts state-level failure-to-warn claims. Bayer, which acquired Monsanto in 2018 for $63 billion, argues that the Environmental Protection Agency has repeatedl
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The Supreme Court heard oral arguments in a case that could impact over 100,000 lawsuits alleging that Bayer's Roundup weedkiller caused cancer in users. The case centers on whether federal law preempts state-level claims that Bayer failed to warn users of the risk. Bayer argues that the EPA has repeatedly approved Roundup's active ingredient without a cancer warning.
Supreme Court on Monday heard oral arguments in Monsanto Company v. Durnell, a case that could extinguish more than 100,000 lawsuits alleging that Bayer's Roundup weedkiller caused cancer in users …
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