A change of season means breaking paradigms, exchange of ideas and perspectives. But a new era is slow and is accompanied by a large gray area, the closest example carne when the average age comes to rebirth, then finally to the illustration for the modem age birth or age of reason. In this storyline, the constitutionalization of the law from taking material postwar constitutions, recognition of legal pluralism and coexistence of various interacting systems, the approach of the common law and civil law, and forms of fusion that begin to narrow from naturalists ius cogens positivist theories, are a clear sign that a new era nowadays. In this transformation the different areas of law have begun to migrate, not in vain today to constitutionalism is called neo-constitutionalism, labor law discussed as a priority the reality principle and philosophy of law as a private dimension begins to question the moral and social justice. And this transformation today is not indifferent to procedural law. That's what this article establish sorne guidelines that change must occur, especially from academia.