Monsanto the 1990s. Field tests were done in the United States between 1998 and 2005. As of 2017, no genetically modified wheat has been released for commercial use. Monsanto is internationally notable for its involvement in high-profile lawsuits, as both plaintiff and defendant. It defended lawsuits mostly over its products' health and environmental effects. Monsanto used the courts to enforce its patents, particularly in agricultural biotechnology, an approach similar to that of other companies in the field, such as Dupont Pioneer and Syngenta. Monsanto also became one of the most vilified large corporations in the world, over a range of issues
Monsanto legal cases appealed the judgments and won on all counts. In the early 1990s, Monsanto faced several lawsuits over harm caused by PCBs from workers at companies such as Westinghouse that bought PCBs from Monsanto and used them to build electrical equipment. Monsanto and its customers, such as Westinghouse and GE, also faced litigation from third parties, such as workers at scrap yards that bought used electrical equipment and broke them down to reclaim valuable metals. Monsanto settled some of these cases and won the others, on the grounds that it had clearly told its customers that PCBs were dangerous chemicals and