Keywords: Immediate process, judicial impartiality (subjective dimension and objective dimension) and decided theme. This thesis has as its central axis the study of the immediate process with the purpose of determining if the single hearing of immediate judgment transgresses the judicial impartiality, since it is composed by two phases in charge of a Judge of Judgment that will solve the requests formulated by The parties will admit the evidence that will be submitted to debate, resolve the issues raised in accordance with Article 350 of the Criminal Procedure Code of 2004 and issue a judgment. In the present work, the immediate process has been analyzed within the framework of judicial impartiality; the tendency of the sentences of sight issued in the period from January to October by the First Criminal Chamber of Appeals of Trujillo that declare the nullity or revoke the sentences iss...