During this period, the staff will also check the information filled in the patent and the technical contents of the specification to see whether the patent application can really be realized, whether it has the benefits of novelty, whether it meets the authorization standards, and will be given corresponding rights. Then there is the agency fee. Almost any agency charges thousands of dollars for invention patent agency applications. Among them, most of the reasons are that the application for invention patent is difficult, the procedure is complicated and there are many preparations before application.