2. Technical exchanges between the two sides;
3. Sign an agency agreement;
4. Pay agency fees and official fees;
5. Writing patent application documents;
6. Submit a patent application;
7. Submit the agency report and the notification of acceptance by the Patent Office;
8, waiting for the patent office to review authorization.
Legal basis: Article 26 of the Patent Law of People's Republic of China (PRC), when applying for a patent for invention or utility model, a request, specification, abstract, patent right and other documents shall be submitted.