 He was designated Justice Minister of Gran Colombia (now Venezuela), a title which can also be translated president of the Superior Court of Justice of the department of Venezuela (Corte Superior de Justicia del departamento de Venezuela).While in this role, Mendoza continued to study law and history, while also editing "El Observador Caraqueño" along with .Mendoza resigned from his role as Justice Minister in 1825 and again went into private practice, his firm meeting with mixed success.