How long does it take to apply for a patent?

It takes about two and a half years for an invention patent to be applied for and authorized. After obtaining the patent right, the annual fee must be paid according to the regulations. The term of protection of an invention patent is 20 years, counting from the date of application. The invention patent cannot be renewed.

legal ground

1. Article 34 of the Patent Law stipulates that after receiving an application for a patent for invention, the administrative department for patent in the State Council, after preliminary examination, finds that it conforms to the provisions of this Law, and shall publish it after 18 months from the date of filing. The patent administration department of the State Council may publish its application at an early date upon the request of the applicant.

2. Article 35 of the Patent Law stipulates that within three years from the date of filing, the administrative department for patent in the State Council may, upon the request of the applicant at any time, conduct substantive examination of the application; If the applicant fails to request substantive examination within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn. The patent administrative department of the State Council may, when it deems it necessary, examine the application for a patent for invention on its own.