Marriage registration information belongs to personal privacy. After accepting the entrustment of the client, the lawyer can go to the Civil Affairs Bureau to inquire about the marriage registration information of the client, but he can't inquire about the marriage registration information of others, otherwise it will infringe on other privacy rights, which is prohibited by law. Article 61 of the Civil Procedure Law of People's Republic of China (PRC), lawyers and other agents ad litem have the right to investigate and collect evidence, and may consult relevant materials in this case. The scope and methods of consulting relevant materials in this case shall be stipulated by the Supreme People's Court.
Legal objectivity:
Interpretation of the Supreme People's Court and the Supreme People's Procuratorate on Several Issues Concerning the Application of Laws in Handling Criminal Cases of Infringement on Citizens' Personal Information Article 1 "Personal information of citizens" refers to all kinds of information recorded by electronic or other means that can identify the identity of a specific natural person or reflect the activities of a specific natural person, including name, ID number, communication contact information, address, account password, property status, whereabouts and so on.