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Bayer Gets Mixed Reception at Supreme Court on Roundup Suits

Bayer AG Roundup brand weedkiller concentrate in Princeton, Illinois.Photographer: Daniel Acker/Bloomberg

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By Greg Stohr

April 27, 2026 at 5:24 PM UTC

Updated on

April 28, 2026 at 7:23 AM UTC

The US Supreme Court gave Bayer AG a mixed reception on its bid to stop tens of thousands of lawsuits claiming its Roundup herbicide should have been labeled as a cancer risk.

Hearing arguments in Washington Monday, the justices weighed a $1.25 million jury verdict won by a Missouri man who blamed Roundup for his non-Hodgkin lymphoma. The company contends that since US regulators didn’t require a cancer warning, federal law bars the Missouri suit and others like it.