Legal analysis: After the investigation of the whole case is completed, the public security organ will transfer the case to the procuratorate, and all cases that need to be prosecuted will be examined and decided by the people's procuratorate. From the date when the case is transferred for examination and prosecution, the defense lawyer shall contact the people's procuratorate and the people's court in time to handle matters such as consulting, extracting and copying the case files. In other words, defense lawyers can consult, extract and copy the case files from the date when the people's procuratorate examines and prosecutes the case.
Legal basis: Article 40 of the Criminal Procedure Law of People's Republic of China (PRC). From the date when the people's procuratorate examines and files the case, the defense lawyer may consult, extract and copy the case file. Other defenders may also consult, extract and copy the above materials with the permission of the people's court or the people's procuratorate.