Answer 1. Briefly explain that if the trademark registration certificate is lost or damaged, the trademark registrant shall apply to the Trademark Office for a replacement of the trademark registration certificate and apply for a replacement in time. 2. Copies of documents 1 (business license, ID card, etc.) required for applying for reissue of trademark registration certificate and subject qualification certificate. ) confirmed by the seal or signature of the trademark registrant; 2. Application for Reissuing Trademark Registration Certificate (provided by law firm); 3. Power of attorney for trademark agency. (provided by legal point) 3. Precautions 1. The name and address of the applicant filled in the application for replacement certificate shall be consistent with the current trademark registrant; The trademark registration number and category shall be consistent with the original trademark registration certificate. 2. If the replacement certificate is handled together with the change of name, and the replacement certificate is applied in the name of the trademark registrant before the change, the name of the reissued trademark registration certificate shall be the name of the original trademark registrant; Where an application for a replacement certificate is made in the name of the changed trademark registrant, the name of the replacement trademark registration certificate shall be the changed trademark registrant. If the official seal of the original trademark registrant has expired, the application may be stamped with the official seal of the changed trademark registrant, but the corresponding certificate issued by the administrative department for industry and commerce shall be submitted. 3. If the replacement certificate is handled together with the transfer, and the application for replacement certificate is made in the name of the transferor, the reissued trademark registration certificate shall be made in the name of the transferor; Where an application for replacement is made in the name of the assignee, the trademark registration certificate to be reissued shall be in the name of the assignee.