Yes, the parties may entrust a lawyer to file a case with the court. According to the law, criminal cases of private prosecution are directly accepted by the people's courts. In addition to exercising the right of defense, a criminal suspect may also entrust a defender or lawyer to defend himself. With the consent of the public security organ, the defense lawyer may collect materials related to the case, put forward opinions and safeguard the litigation rights and other legitimate rights and interests of the criminal suspect.
legal ground
Article 35 of the Criminal Procedure Law
The responsibility of a defender is to provide materials and opinions on whether a criminal suspect or defendant is innocent, light or relieved of criminal responsibility according to facts and laws, and to safeguard the litigation rights and other legitimate rights and interests of the criminal suspect or defendant.