Bayer Not Liable After Man Claimed Weedkiller Caused His Cancer, Supreme Court Rules Alison is a senior news reporter covering US politics and legal news.Jun 25, 2026, 10:39am EDTJun 25, 2026, 10:42am EDTToplineThe Supreme Court ruled in favor of former agrochemical giant Monsanto on Thursday in a dispute over whether the company should have warned consumers about potential harms arising from its weed killer product Roundup, in a 7-2 ruling that led shares of parent company Bayer to spike Thursday morning.Potesters gather at the US Supreme Court on April 27 in Washington, DC. Getty ImagesKey FactsThis story is breaking and will be updated.LOADING VIDEO PLAYER...FORBES’ FEATURED Video
Bayer Stock Jumps—Monsanto Ruled Not Liable In Cancer Risk Case Involving Roundup Weedkiller
The court ruled against a man who sued Monsanto, alleging its weed killer Roundup caused his cancer.










