Criminal cases in the commissioning of lawyers, will sign a criminal defense agreement, and this agreement on the content is basically a model, is often used and not fixed form. The agreement is provided by the law firm, of course, does not appear in the criminal case of risk representation content. Therefore, the lawyer in the solicitation of cases when the private promise, in the written agreement is often no reaction, unless the client in the negotiation through the audio or video recording of the evidence taken, it is just empty words that the lawyer was how to promise, there is no substantive evidence to support, and can not obtain legal recognition.
Legal basis:
"Chinese people's lawyers law" article 28 lawyers can engage in the following business: (a) accept natural persons, legal persons or other organizations entrusted to act as a legal adviser; (b) accept the civil case, administrative cases entrusted to act as an agent to participate in litigation; (c) Accepting the entrustment of criminal suspects and defendants in criminal cases or the assignment of legal aid institutions in accordance with the law, acting as a defender, and accepting the entrustment of private prosecutors in private prosecution cases, victims in public prosecution cases or their close relatives, acting as an agent to take part in litigation; (4) accepting the entrustment of acting as an agent for various types of litigation cases; (5) accepting the entrustment of taking part in mediation and arbitration activities; (6) accepting the entrustment of providing non-litigation (vi) Accepting commissions to provide non-litigation legal services; (vii) answering inquiries about the law, writing litigation documents and other documents related to legal affairs.