1. How to file a trademark agent? When filing with the Trademark Office, a trademark agency shall fill in the Trademark Agency Filing Form (filled in as required and sealed by the trademark agency and signed by the person in charge, the same below) and submit the following documents: (1) A copy of the business license of the industrial and commercial office and the practice license of the law firm sealed by the registration authority, or a notarized copy of the business license and practice license of the law firm, and affix the seal of the trademark agency; (2) A copy of the valid identity certificate of the agent. Second, how to handle the merger and filing of trademark registration agencies? After the trademark registration agency has gone through the merger registration formalities according to law, it shall go through the merger registration with the Trademark Office in time. If the trademark registration agency is slow to handle it, it shall bear the legal consequences arising therefrom. (a) the certificate of merger registration issued by the registration authority, or a copy of the certificate of merger registration stamped by the registration authority, or a notarized copy of the certificate of merger registration; (2) A copy of the merged business license or practice license of the law firm, stamped with the seal of the trademark registration agency; (3) A copy of the power of attorney and the valid identity certificate of the agent. Where other filing matters other than the name of the trademark registration agency change at the same time, it shall be handled in accordance with the change filing of the trademark registration agency. 3. What is the subject of trademark filing? Trademark agencies that can file with the Trademark Office include service agencies registered by the administrative department for industry and commerce and law firms engaged in trademark agency business. A trademark agency in industrial and commercial registration shall include "trademark agency" or "intellectual property agency" in its business scope. 4. What are the filing methods of trademark agencies? Trademark agencies can file directly or by mail. In case of direct submission, the Trademark Office shall review the filing form and relevant documents submitted for inspection as required, and keep a copy of the documents submitted for inspection. If it is handled by mail, the trademark agency shall fill in the filing form as required and submit a copy of the relevant certification documents stamped or notarized by the registration authority. Trademark agencies and law firms engaged in trademark agency are the subject of filing. After the trademark agency submits relevant materials to the Trademark Office, the Trademark Office will register them after examination and approval. Information can be submitted directly or by mail. Under normal circumstances, registration can be completed within 7 working days. The above is the knowledge about how to be a trademark agent for filing.