What is the annual patent fee?

Legal analysis: The fees can be paid directly to the Patent Office or remitted through the post office. All kinds of fees paid to the Patent Office shall be marked with the correct application number, short name of fees and itemized amount, and those that are not marked shall be regarded as not having gone through the payment procedures. Therefore, please be sure to write down the correct application number, the short name of the fee and the itemized amount in the remittance information. If the annual fee is not paid on time or the amount paid is insufficient, it can be paid back within six months from the date of expiration of the annual fee, and the late payment fee can be paid at the same time; The amount of the late payment fee shall be calculated by adding 5% of the full annual fee of the current year for each time exceeding 1 month.

Legal basis: Article 4 of the Measures for the Reduction and Exemption of Patent Annual Fees. If the applicant or the patentee is an individual, he may request to postpone the payment of 85% of the application fee, the examination fee and annual fee of the application for a patent for invention and 80% of the maintenance fee and reexamination fee of the application for a patent for invention. Where the applicant or the patentee is a unit, it may request a postponement of 70% of the application fee, examination fee and annual fee for an application for a patent for invention, and 60% of the maintenance fee and examination fee for an application for a patent for invention. Where two or more individuals or individuals and units apply for a patent at the same time, they may request that 70% of the application fee, examination fee and annual fee for an application for a patent for invention and 60% of the maintenance fee and examination fee for an application for a patent for invention be deferred.