All of them are counted from the date of application, four years from the date of application for a patent for invention and three years from the date of substantive examination request, and the patent right for invention is granted. At the request of the patentee, the administrative department for patent in the State Council shall compensate for the unreasonable delay in the process of authorization of the invention patent, except for the unreasonable delay caused by the applicant.
In order to make up for the time occupied by the review and approval of new drugs, the invention patents related to new drugs that have been listed in China are authorized. The patent administrative department of the State Council shall, at the request of the patentee, compensate for the duration of the patent right. The compensation period shall not exceed five years, and the total effective patent right period after the new drug is approved for marketing shall not exceed fourteen years.
Application for invention patent
The applicant provides original technical data and personal information, entrusts a patent agency, signs an agency agreement, and writes patent application documents that meet the requirements of the Patent Law; If necessary, you can retrieve it first. Submit the patent application documents to the State Patent Office, obtain the patent application number, and pay the patent application fee as required. After preliminary examination, the application for a patent for invention will be published in the patent bulletin and website 18 months after the application date; According to the requirements of the applicant.
You can also ask for early disclosure at any time within 15 months from the date of application and enter the substantive examination stage. The applicant may submit a real trial to the Patent Office at any time within 3 years from the date of application, or submit a real trial after the patent application is made public, and pay the patent real trial fee as required.