1. Patent application form (including the names and addresses of the applicant and inventor, and if the applicant is a legal entity, the name of the legal representative should also be provided)

2. Patent application specification (with accompanying drawings)

3. Abstract of patent application (with accompanying drawings)

4. Priority documents (submissions requiring priority)

5. Power of Attorney (submitted by authorized agent)

Application stage → Public stage (automatically published within 18 months from the application date or priority date or published within 18 months according to the applicant's request) → Actual examination stage → Authorization stage (the applicant shall register within 3 months after receiving the authorization notice and pay the registration fee and the annual fee for the first 3 years) → Announcement stage (after the applicant pays the fee, the official will announce the patent for 3 months)