2. Application: submit or send the application documents and pay the fees;
3. Preliminary review: China National Intellectual Property Administration's review of the completeness and procedures of the application documents;
4. Disclosure: The invention patent application will be disclosed in 18 months;
5. Actual trial request: submitted by the applicant within 3 years after the application;
6. substantive examination: invention patents need substantive examination, and utility model patents and design patents only need first-instance examination;
7. Authorization and announcement, and issuance of patent certificates.
Legal basis: Article 22 of the Patent Law of People's Republic of China (PRC), the invention and utility model for which a patent is applied shall be novel, creative and practical.
Novelty means that the invention or utility model does not belong to the prior art; No unit or individual filed an application for the same invention or utility model with the administrative department for patent in the State Council before the filing date, and it was recorded in the patent application documents published or announced after the filing date.
Creativity means that compared with the prior art, the invention has outstanding substantive features and remarkable progress, and the utility model has substantive features and progress.
Practicality means that the invention or utility model can be manufactured or used and can produce positive effects.
The existing technology mentioned in this law refers to the technology known to the public at home and abroad before the date of application.