The application fee for invention patent is paid to the Patent Office according to regulations. Whether to pay the patent application fee is the content of the patent office's preliminary examination of invention patents. The patentee also needs to pay an annual fee according to the regulations from the year when the patent right is granted. Legal objectivity:
Article 42 of the Patent Law of the People's Republic of China
The term of the invention patent is 2 years, the utility model patent is 1 years and the design patent is 15 years, all of which are counted from the date of application.
article 43 of the patent law of the people's Republic of China
the patentee shall pay the annual fee from the year when the patent right is granted.
Article 44 of the Patent Law of the People's Republic of China
In any of the following circumstances, the patent right shall be terminated before the expiration of the time limit:
(1) Failing to pay the annual fee as required;
(2) the patentee renounces his patent right in writing.
if the patent right is terminated before the expiration of the time limit, it shall be registered and announced by the patent administration department of the State Council.