1. Submit a descriptive project change statement (the column "Office area and form download" on the left side of the homepage of China National Intellectual Property Administration website contains a descriptive project change statement 1000 16 for download).
2, submit the documentary engineering change documents:
If the applicant (or patentee) is a unit and requests to change due to its merger, division, cancellation or change of organizational form, it shall submit the certification documents issued by the registration administration department.
3. Pay the recording project change fee 200 yuan within one month from the date of request.
1 and 2 materials can be sent by registered mail to the acceptance office of China National Intellectual Property Administration Patent Office (No.6, West Tucheng Road, Jimenqiao, Haidian District, Beijing 100088).
The change fee of description items can be remitted to the toll office of China National Intellectual Property Administration Patent Office through the post office (No.6, West Tucheng Road, Jimenqiao, Haidian District, Beijing, 100088). Note that the postscript column of the remittance slip says "Patent number, (change) 200 yuan".
Besides, where does your company come from? Agency fees in different regions range from several hundred to several thousand.