Legal basis: Article 35 of the Lawyers Law of People's Republic of China (PRC). According to the needs of the case, the entrusted lawyer may apply to the people's procuratorate or the people's court for collecting and obtaining evidence or to the people's court for notifying witnesses to testify in court. If a lawyer investigates and collects evidence by himself, he may, with the lawyer's practice certificate and the certificate of the law firm, investigate the situation related to undertaking legal affairs with the relevant units or individuals.
Article 32 of the Administrative Procedure Law of the People's Republic of China * * * lawyers who represent litigation have the right to consult and copy relevant materials of this case in accordance with regulations, and have the right to investigate relevant organizations and citizens and collect evidence related to this case. Materials involving state secrets, commercial secrets and personal privacy shall be kept confidential according to law. The parties and other agents ad litem have the right to consult and copy the trial materials of this case in accordance with the provisions, except those involving state secrets, commercial secrets and personal privacy.