US supreme court blocks thousands of lawsuits over Roundup maker’s pesticide warning labels

The case, Monsanto v Durnell, specifically dealt with claims that the company failed to warn users of product risks The US supreme court has found in favor of the former Monsanto company in a ruling that is expected to block thousands of lawsuits filed by people alleging the key ingredient in the weed killer Roundup causes cancer. The decision was made in a 7-2 vote, with Justice Brett Kavanaugh offering the majority opinion and Justice Ketanji Brown Jackson writing the dissenting opinion, joined by Justice Neil Gorsuch. The case, Monsanto v Durnell, specifically dealt with the question of whether a federal law that gives the Environmental Protection Agency (EPA) regulatory authority over pesticides preempts state claims that a company failed to warn users of certain product risks when the EPA itself has not required such warnings. “Fifra expressly preempts Durnell’s state-law failure-to-warn claim,” reads the opinion written by Justice Kavanaugh, pointing to the Federal Insecticide, Fungicide and Rodenticide Act (Fifra). In her dissenting opinion, Justice Jackson said: “Fifra expressly limits States’ authority to regulate pesticide labels, but it does not eliminate that

Jun 25, 2026 → Jun 25, 2026