The thesis is dealing with the fair trial and its guarantee in the Czech Republic. The notion of fair trial is analyzed in view of the national judicatory and European court of human rights. The thesis is particularly focused on specific principles of Czech Criminal Procedure law, the European Convention for the Protection of Human Rights and its Protocol No. 7, which must be followed in order to preserve the right to fair trial. It refers to problematic areas of current legislation, while the author also offers contemporary deliberation of de lege ferenda.