Abstract: This article describes the evolution of the Law process since its Greek origin to the present – the scientific Law, based on systematic and logical studies. It is also important to mention that it shows how significant it is to the modern society to have an understanding of this subject, as a way to make the law faster then before, trying to achieve the justice as always.

Keywords: Lawsuit, autonomy, cientificism, German law, Germanic law, Italian law, medieval law, Roman law, dualism, evolution, instrumentalism, jurisdiction, process, publicização, unitarianism.