The Reciprocal Effect of "Res Judicata" in Civil and Penal Judgments

When the parties in a trial do not achieve the desired outcome، try with another lawsuit in the courts، both criminal and legal to achieve their desires. The effect of decisions made by the courts in subsequent proceedings is the main issue of rule «Res Judicata». The evaluation of effects of criminal and civil judgments on each other is a matter that judicial procedure has no same approach in facing it. This article reviews the rule in criminal and civil law and concludes that «res Judicata» has reciprocal effect in civil and penal proceedings.