Legal analysis: To apply for a patent, you need to pay an application fee, an invention application examination fee, an invention application maintenance fee, a reexamination fee and an annual fee for three years after authorization. When entrusting an agent, the applicant needs to pay an agency fee. Applicants with real difficulties will be slowed down. If the applicant is an organization, 70% of the above expenses can be reduced, and if the applicant is an individual, 85% of the above expenses can be reduced.
Legal basis: "Patent Law of the People's Republic of China" Article 75 To apply for a patent and go through other procedures with the patent administration department of the State Council, fees must be paid in accordance with regulations.