In addition, that program that can be introduced are:
Download and fill in the form first: form download: www.sipo.gov.cn- patent application-form download-more-description of project change declaration.
After the application is completed, it will be mailed to the acceptance office of the State Patent Office by registered mail in duplicate, and the 200 yuan change fee will be paid when the application is mailed. Remember to write the patent application number clearly.