Monsanto Monsanto The Monsanto Company () was an American agrochemical and agricultural biotechnology corporation that existed from 1901 until 2018 when it was acquired by Bayer. It was headquartered in Creve Coeur, Missouri. Monsanto developed Roundup, a glyphosate-based herbicide in the 1970s, and became a major producer of genetically engineered crops. Monsanto was one of four groups to introduce genes into plants (1983), and was among the first to conduct field trials of genetically modified crops, (1987). It was one of the top 10 U.S. chemical companies until it divested most of its chemical businesses between 1997 and 2002, through a
Monsanto legal cases Superior Court, against Monsanto alleging damages related to certain forms of cancer caused by Monsanto's Roundup product. On August 10, 2018, Dewayne Johnson won the first jury case against Monsanto based on a causal link between Roundup and Johnson's non-Hodgkin's lymphoma. The jury awarded Johnson $289 million in actual and punitive damages against Monsanto, and found that Monsanto acted maliciously by failing to warn consumers of cancer risks posed by the herbicide. Monsanto plans to appeal the verdict based on its claim that the judge improperly admitted scientific evidence presented on behalf of Johnson. Arkansas and Missouri banned the sale