Thesis:

A comparative study of the rule of usefulness of prosecution in Iranian and American law

"The rule of usefulness of prosecution" as one of the basic principles in the matter of prosecution is the main focus of the prosecutors in France and it is observed to some extent in Iran as well, which can be expanded and generalized and contains the meaning that although the authority to prosecute according to The mandatory rule of prosecution has the duty and duty to prosecute the crime and the criminal, and he has no right to waive this duty, but he must also consider the interests of the individual and the society. The research method in this thesis is a library and comparative type, and it examines this main rule in the laws of Iran and France, and the author tries to reach the scope of this principle and the limits of authority after examining the rule of usefulness of prosecution as a basic work method. The prosecutor should pay in this regard. Also, by presenting an argument, we tried to explain that the principle of the usefulness of prosecution should be within the framework of legal regulations so that it can be used correctly in the prosecution stage, and it is also checked that all the angles of alternatives to prosecution have not been legislated in Iranian law

Keywords: principles in the matter of prosecution