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 in the country. In March 2014, the South African Advertising Standards Authority (ASA) upheld a complaint, made by the African Centre for Biosafety, that Monsanto had made "unsubstantiated" claims about genetically modified crops in its radio advertisements, and ordered that these adverts be pulled. In March 2015 after considering further documentation from Monsanto, the ASA reversed its ruling. Monsanto legal cases Monsanto has been involved in several high-profile lawsuits, as both plaintiff and defendant. It has been defendant in a number of lawsuits over health and environmental issues related to its products. Monsanto has also made frequent use of the