1. Preparation: Determine the type of patent application and find a patent agency (China can also apply for a patent by itself).
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.
Details "How to apply for a drug patent? The process of drug patent application "