The goal of this thesis is to elaborate the reasons that lead to the termination of the civil proceedings by force of law any by the determination of the court. The introduction briefly describes a civil proceeding with its stages and explaines the circumstances that can lead to the termination of the civil proceedings as well as the resulting effects at the moment of termination. The first part of this thesis engages in the circumstances that lead to the termination of the civil proceedings by force of law, all of which reasons are elaborated by their legal definitions, case laws and expert articles, it also presents the effect of declaratory decisions of the court. The second part of the thesis explains the termination of the civil proceedings by the determination of the court and it offers a review of each and every reason prescribed by law for the termination of the civil proceeding. The theoretical explanation is elaborated through case laws. The conclusion offers a review on the termination of the civil proceedings by force of law and by the determination of the court as well as their effect in the Croatian jurisprudence.