The free scientific research is a jusphilosophical school precursor of the jurisprudence of values, which defends basically that, in order to discover the origins of law's principles and rules, the interpreter's studies may have support on various "sciences" such as sociology, economics, linguistics, philosophy and theology, that previous law teachers had not used before. Its main name is François Gény and there are others like Stamler and Eugen Ehrlich. This school is also referred as the French school of interpretation and inherits aspects from Greek philosophy.