Legal analysis: Generally speaking, there are three stages: public security investigation, procuratorate examination and prosecution, and court trial, and each stage is charged. You can consult a lawyer for details. Due to the different charges in different regions, the local charges shall prevail. For example, the Notice of the Sichuan Provincial Department of Justice of the Sichuan Provincial Development and Reform Commission on Regulating the Management of Lawyers' Legal Service Fees stipulates that piecework fees are charged for handling criminal cases, and the standards are as follows: being the defender of criminal suspects and defendants in criminal cases: 1. Investigation stage (including self-investigation stage of procuratorate): 2000-10.5 million yuan/piece; 2. Review and prosecution stage: 2000- 12000 yuan/piece; 3. Trial period: 3000-30000 yuan/piece.
Legal basis: Article 25 of the Lawyers Law of People's Republic of China (PRC), when a lawyer undertakes business, the law firm shall uniformly accept the entrustment, sign a written entrustment contract with the client, uniformly collect fees according to the provisions of the state, and record them truthfully.
Law firms and lawyers shall pay taxes according to law.