In this article, the author examines the main criteria for assessing the quality of a court decision in the Republic of Moldova and foreign countries. In particular, the basic requirements for a court decision are revealed, such as validity and legality. Separately, the author investigated the features of assessing the quality of court decisions in the judicial practice of European states, CIS countries, Asian countries and international organizations of judges. As a result of the research carried out by the author, it was found that in all judicial systems the main criteria for the quality of a court decision are legality, validity and motivation. The theses presented by the authors can be used by scientific and practical workers for further, fundamental and theoretical, deeper researches. The most important result of the presented scientific article are the conclusions and proposals formulated by the authors, which could significantly improve the current legislation.