Ars Aequi Procesdossiers (case files) are written primarily to give the reader insight into different legal procedures. Relying on real case files, it is explained step by step how an actual procedure develops. The Ars Aequi Procesdossiers contain original procedural documents which, together with the accompanying text, draw the reader's attention to the main features of the relevant laws. In this way, the material is brought to life. This volume describes the application and intervention procedure before the European Court of Human Rights. Prior to presenting the case files, the Court's organisation and procedure is introduced and the rules applicable to the application and intervention procedure are described in some detail. The documents making up the case files include correspondence of the applicant, the intervener and the Court, as well as decisions, judgments and related procedural documents. The documents are preceded by a short introduction explaining to which stage of the procedure a document belongs.