What are the conditions for reducing or exempting the patent application fee?

The applicant or patentee meets one of the following conditions: (1) an individual with an average monthly income of less than 3,500 yuan (42,000 yuan per year) in the previous year; (2) Enterprises with taxable income of less than 300,000 yuan in the previous year; (3) Institutions, social organizations and non-profit scientific research institutions; Where two or more individuals or units are the same patent applicant or patentee, they shall abide by the provisions of the preceding paragraph respectively; Where the applicant or patentee requests fee reduction after the date of application, it shall submit a request for fee reduction (applicable after the date of application) and fill in the number of the application document for patent fee reduction. Non-fee reduction conditions (1) The request for fee reduction formulated by China National Intellectual Property Administration has not been used; (two) the request for fee reduction is not signed or sealed; (3) The request for fee reduction does not conform to the provisions of Article 2 or Article 3 of these Measures; (four) the individual or unit requesting fee reduction fails to provide the certification materials that meet the provisions of Article 7 of these Measures; (5) The name of the patent applicant or patentee or the name of the invention-creation in the request for fee reduction is inconsistent with the corresponding contents in the patent application or patent register. When applying for a patent, I want to know what are the conditions for reducing the fee for patent application? The above contents can be referred to.