US Supreme Court Limits Lawsuits Against Roundup Maker

The United States Supreme Court issued a major decision on Thursday that will change how thousands of lawsuits against the maker of the weed killer Roundup are handled. In a 7-2 vote, the court ruled in favor of the company, which is now owned by the German business Bayer. The case, Monsanto v Durnell, focused on whether federal law prevents people from suing the company for failing to warn users about potential cancer risks.

For nearly a decade, Bayer has faced a massive wave of legal challenges. More than 100,000 people have filed lawsuits, claiming that the main ingredient in Roundup, called glyphosate, caused them to develop a type of cancer known as non-Hodgkin lymphoma. Many of these people have already received large payments after winning jury trials or reaching settlements—agreements where the company pays money to end a lawsuit without admitting fault. This latest ruling is expected to stop many similar future cases from moving forward.

The central issue in the case was the Federal Insecticide, Fungicide and Rodenticide Act (Fifra). This is a federal law that gives the Environmental Protection Agency (EPA) the power to regulate pesticides. The EPA is responsible for deciding what information must appear on product labels. According to The Guardian, the court found that because the EPA has not required a cancer warning on Roundup labels, the company cannot be sued under state laws for failing to provide one. Justice Brett Kavanaugh, who wrote the majority opinion, stated that federal law blocks these state-level claims.

Not all justices agreed with this decision. In her dissenting opinion—a formal disagreement with the majority—Justice Ketanji Brown Jackson argued that the court misunderstood the law. She noted that while Fifra limits the power of states to regulate labels, it does not completely remove that power. She expressed concern that the ruling leaves people like John Durnell, the man who brought the case to the Supreme Court, without a way to seek justice for the harm they have suffered. Mr. Durnell, a Missouri resident, had worked for years using Roundup in his community before he was diagnosed with cancer.

Bayer has strongly defended its product throughout these legal battles. The company maintains that Roundup does not cause cancer and points to the position of the EPA, which has stated that glyphosate is unlikely to be carcinogenic—a term meaning a substance that can cause cancer. In a statement reported by STAT News, Bayer praised the court’s decision, saying it is good for science, farmers, and industries that rely on clear federal rules to innovate. The company believes this ruling will help end the long period of legal fighting surrounding the product.

However, the decision has drawn sharp criticism from those who represent the victims. Attorney Christopher Seeger, who works for people suing the company, said the ruling wrongly blocks access to the courts for those who have been sickened by pesticides. Jay Feldman, the executive director of the group Beyond Pesticides, called the decision a tragic setback for public and environmental health. These groups argue that the court is ignoring the concerns of people who believe their health was destroyed by the chemical.

Despite this victory, Bayer’s legal troubles are not entirely over. The company has already set aside billions of dollars to settle various claims. According to STAT News, Bayer plans to continue with a proposed $7.25 billion class-action settlement, which is a legal process where many people join together to resolve their claims as a single group. While the Supreme Court ruling makes it harder to sue based on the lack of a warning label, lawyers suggest that other types of lawsuits—such as those focusing on how the product was designed—might still be possible in the future.

This ruling highlights a difficult balance between federal regulations and the rights of individuals to seek compensation in state courts. As the legal landscape shifts, the debate over the safety of glyphosate continues. While the Supreme Court has provided a clear answer regarding warning labels, the broader conversation about the health effects of pesticides remains a point of intense disagreement between industry leaders, government agencies, and public health advocates.