The patentee communicates with the evaluation agency in the early stage-determines the purpose and scope of patent evaluation-negotiates the fees according to the national charging standard-the evaluation agency sends a team to inspect the patent research and development on site-collects the information needed for patent evaluation-returns after collecting the patent evaluation information-the evaluation agency writes a report-issues the first draft of the evaluation report to communicate with the patentee-issues the official version of the report to collect the remaining evaluation fees.