The application time for invention patents is generally about 2 years.
1. Search for patents of the same type, either independently or by entrusting an agency to conduct a more comprehensive search.
2. Prepare the application documents and submit them to the application step.
3. get the admission notice.
4. Preliminary review. Before the preliminary examination, the application for a patent for invention must be examined in confidentiality, and if confidentiality is required, it shall be handled in accordance with the confidentiality procedures.
5. Publishing stage.
6. Substantive review. To conduct a comprehensive review of whether the patent application is novel, creative, practical and other substantive conditions stipulated in the patent law.
7. Authorization stage.
It takes about 2 years to authorize the invention patent from the date of submitting the patent application documents to the Patent Office.
All patents were applied in China National Intellectual Property Administration.
Legal basis:
Article 26 of the patent law
To apply for a patent for invention or utility model, a written request, a specification, an abstract thereof, a patent claim and other documents shall be submitted.
Article 34
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 immediately after 18 months from the date of application. The patent administration department of the State Council may publish its application at an early date upon the request of the applicant.