The patent office does not charge such fees for examination. Isn't there an intermediary fee for the intermediary? Is retrieval not included in the agency fee?
The official fees for patent application include the following fees:
(1) Application fee, application surcharge, publication and printing fee and priority claim fee;
(2) Examination fee and reexamination fee for an application for a patent for invention;
(3) Patent registration fee, announcement printing fee and annual fee;
(four) the right to recover the claim fee and the extension of the claim fee;
(five) the specification change fee, the patent evaluation report request fee and the request fee for invalidation.
In the process of applying for a patent for invention, you must pay the application fee, publication and printing fee, substantive examination fee for an application for a patent for invention, patent registration fee, publication and printing fee and annual fee, and others should be paid according to the prescribed procedures.