Monsanto legal cases 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 courts to defend its patents, particularly in the area of agricultural biotechnology, as have other companies in the field, such as Dupont Pioneer and Syngenta. Monsanto was one of the first companies to apply the biotechnology industry business model to agriculture, using techniques developed by Genentech and other biotech drug companies in the late 1970s in California. In
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