BREAKING: Four court victories in February have upheld Mexico’s ban on GMO corn. Despite relentless efforts by Monsanto, DuPont and their agrichemical cohorts, the Mexican courts have upheld the country’s ban on GMO corn. The four court rulings reveal a willingness on the part of 4 different federal civil law judges to recognize the pre-emptive and superior right of Mexico’s corn over GMO seed companies – in the defense of biodiversity and the quality of corn as the nationās principal staple food item. Mexico 4, Monsanto & DuPont 0.