I. Briefly explain that the post-application inquiry of a trademark refers to the inquiry of the trademark handling by the trademark applicant or his agent after two years from the date of submitting the application for registration, or six months from the date of submitting the application for change, renewal, transfer and replacement. When no information is obtained. The applicant or agent can log on to China Trademark Network and click on the "Trademark Inquiry" column to make an inquiry, or they can come by themselves or write to the Trademark Office for free. 2. Inquiries made by people or letters after trademark application (1) People's inquiries 1. Inquirers fill in the inquiry form after trademark application in the inquiry window of the trademark registration hall, and submit the Notice of Acceptance or a copy of the paid trademark fee receipt and the trademark pattern. Inquiries about the handling of applications for change, renewal, transfer and replacement shall also indicate the registration number of the original trademark. 2. Within three working days from the day after the Trademark Office accepts the trademark inquiry, the inquirer can go to the trademark registration hall to get the inquiry results; If the result is not found within three days, the Trademark Office shall notify the inquirer by letter after finding the result. (2) letter inquiry 1. Submit a copy of the Letter of Acceptance, or a copy of the receipt of paid trademark fees and a copy of the trademark pattern, and indicate the inquiry item, enterprise name, contact person and mailing address in the letter, and affix the official seal. Inquiries about the handling of applications for change, renewal, transfer and replacement shall also indicate the registration number of the original trademark. Please send your letter to the General Office of the Trademark Office of the State Administration for Industry and Commerce, No.8 Sanlihe East Road, Xicheng District, Beijing, with the postal code 100820, and please indicate the words "trademark inquiry" on the envelope. 2. After finding out the result, the Trademark Office shall promptly notify the inquirer. Three. Matters needing attention 1, application for objection, application for license contract registration, application for cancellation of registered trademark for three years will not be inquired. 2. When handling inquiry business, the inquirer shall submit the Notice of Acceptance issued by the Trademark Office or its copy. If the Notice of Winning Bid is lost, a copy of the trademark fee invoice must be submitted. 3. Where a trademark agency is entrusted to apply for trademark registration, alteration, renewal, transfer and renewal, the trademark agency shall submit an inquiry application to the Trademark Office. The trademark agency shall fill in the inquiry form after the trademark application and submit a copy of the submission list marked with the application date and application number and stamped with the acceptance seal of the Trademark Office and the trademark pattern. 4. If the trademark applicant makes corrections or modifications as required after submitting an application for trademark registration or an application for change, renewal, transfer or replacement, or other circumstances occur, please indicate them together for the convenience of inquiry. Four. Special statement (1) The above contents are not official documents issued by the State Administration for Industry and Commerce or the Trademark Office of the State Administration for Industry and Commerce, so all contents are instructive and not legally binding.