The article analyzes some of the contents of the Mexican Energy Reform of 2013 and warns on the international legal implications that the path that Mexico has chosen to follow could bring to its economy and international relations. Concretely, it argues that in order to avoid falling into the same mistakes made by other Latin American countries in the region, Mexico must consider its obligations contained in international treaties signed with the United States on transboundary resources, and its obligations in bilateral investment treaties that protect foreign investors from certain government acts and policies.