2, need to investigate the case file number. If there is no case file number, you should also know the exact name of the party and the year of the case judgment, which is convenient for the archives staff to find.
3. Power of attorney of both parties. If you refer to the cases you have represented, you only need the power of attorney of the litigation agent. If other cases need to be investigated, the client needs to sign a power of attorney separately.
4. If the client is a citizen, you need to bring a copy of the citizen ID card; If it is a legal person, a copy of the business license and organization code certificate of the legal person and the original identity certificate of the legal representative shall be provided.
5. A letter of introduction from the law firm or a special letter for lawyers' investigation, explaining what needs to be read.