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 this business model, companies invest heavily in research and development, and recoup the expenses through the use and enforcement of biological patents. In 1969, Monsanto sued Rohm and Haas for infringement of Monsanto's patent for the herbicide propanil. In Monsanto Co. v. Rohm and Haas Co., the Third Circuit Court of Appeals ruled against Monsanto on the basis that the company had fraudulently procured the patent it sought to enforce. Since the mid‑1990s, Monsanto indicates that it has filed suit against 145 individual U.S. farmers for patent infringement and/or breach of contract in connection with its genetically engineered seed but