This article presents the philosophical bases of the Hermeneutic Criticism of Law, formulated by Lenio Streck. In order to do so, it uses the concepts of theoretical referential framework and of philosophical paradigm. It then offers a bibliographical review of the thinkers who, to a certain extent, founded the philosophical paradigm in which the Hermeneutic Criticism of Law is developed: Martin ... [Show full abstract] Heidegger and Hans-Georg Gadamer. Finally, it identifies some of the last developments of the Hermeneutic Criticism of Law, understood not as a traditional epistemology, or even a philosophy of the sciences, but as a hermeneutic epistemology. © Revista de Estudos Constitucionais, Hermenêutica e Teoria do Direito (RECHTD).