The purpose of this thesis is to present the main features of out-of-court dispute resolution (alternative dispute resolution) with mediation in civil and commercial issues under Directive No. 2008/52/EC, Act No. 202/2012 Coll., on Mediation and Change Some Laws ("Medition Act"), and Spanish Act No. 5/2012 on Mediation in Civil and Commercial Matters. The thesis purpose is definition of ADR and types of ADR, mediation and its relationship with international law and legislation in the Czech Republic and Spain. The thesis is divided into five basic chapters. The first chapter explains the term ADR and its advantages and disadvantages, its methods, such as mediation, arbitration, early neutral evaluation, conciliation, minitrial, expert determ...