2.4-6 years: annual fee of 900 yuan;
3.7-9 years: annual fee 1200 yuan;
4. 10- 12 years: the annual fee is 2000 yuan. The Patent Office may reduce or exempt certain fees (application fee, examination fee for invention application, maintenance fee for invention application, reexamination fee and annual fee for three years after authorization) for applicants with real difficulties. If the applicant is an organization, the above fees can be reduced by 70% (the examination fee can be reduced by 60%), and if the applicant is an individual, the above fees can be reduced by 85% (the examination fee can be reduced by 80%).
Legal basis:
Article 26 of the Patent Law of People's Republic of China (PRC) Where an applicant applies for a patent for invention or utility model, he shall submit the written request, specification, abstract, patent claim and other documents.
The request shall specify the name of the invention or utility model, the name of the inventor, the name and address of the applicant and other matters.
The specification shall give a clear and complete description of the invention or utility model, which shall be subject to the realization of the technical personnel in the technical field; Attached drawings shall be attached when necessary. The technical points of the invention or utility model shall be briefly explained.
The patent claim shall be based on the specification, and clearly and briefly define the scope of patent protection.
For inventions that rely on genetic resources, the applicant shall state the direct source and original source of genetic resources in the patent application documents; If the applicant cannot explain the original source, it shall explain the reasons.