What is the cost standard of invention patents under different audit methods?

6.4. 1 Guide to Patent Examination Part I Chapter I Requirements for the request for substantive examination The request for substantive examination shall be filed within three years from the date of application (the priority date shall prevail if there is priority), and the substantive examination fee shall be paid during this period. Because the examination step of invention patent is preliminary examination first, and then substantive examination, and the application for substantive examination should be submitted to the Patent Office after the preliminary examination is passed, the payment period of substantive examination fee is within three years from the preliminary examination to the application date (priority date). In addition, according to the provisions of Article 35 of the Patent Law, within three years from the date of filing, the patent administrative department of the State Council may conduct substantive examination of the application at any time; If the applicant fails to request substantive examination within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn. Therefore, the substantive examination of a patent is generally initiated by the applicant. If the patentee does not propose it, the Patent Office will pass the book three months before the expiration of the substantive examination request. The original official fee of 3,450 yuan for an application for a patent for invention includes: application fee: 900 yuan, document printing fee: 50 yuan, and substantive examination fee: 2,500 yuan. 560 yuan is required after 85% reduction, including: application fee: 135 yuan, document printing fee: 50 yuan, and substantive examination fee: 375 yuan. After 70% reduction, 1070 yuan is required, of which: application fee: 270 yuan, document printing fee: 50 yuan, and substantive examination fee: 750 yuan. China National Intellectual Property Administration patent fee reduction and exemption measures: 85% for eligible applicants, individuals or units, and 70% for other cases. Application fee for utility model application official fee: 500 yuan reduces the application fee by 85%; 75 yuan reduced the application fee by 70%; Application fee 150 yuan; China National Intellectual Property Administration's Measures for Reduction and Exemption of Patent Fees: Eligible applicants can reduce their fees by 85%, and 70% in other cases. Design application official fee application fee: 500 yuan reduces the application fee by 85%; 75 yuan reduced the application fee by 70%; Application fee: 150 yuan; Measures to reduce patent fees in China National Intellectual Property Administration: If qualified applicants are individuals or units, the fees can be reduced by 85%; otherwise, the fees can be reduced by 70%.