The following materials must be submitted for patent substantive examination:
1. Reference materials related to the invention;
2. Materials retrieved by foreign countries for the purpose of examining the application or Information on review results. Applicable to situations where an application has been made abroad;
3. Other information.
Legal Basis
Article 35 of the Patent Law of the People's Republic of China
Within three years from the date of application, the State Council shall The patent administration department may conduct a substantive examination of the application based on the request made by the applicant at any time; if the applicant fails to request a substantive examination beyond the time limit without justifiable reasons, the application will be deemed to have been withdrawn.
Article 36
When an applicant for an invention patent requests substantive examination, he shall submit reference materials related to his invention before the filing date.
If an application for an invention patent has been filed in a foreign country, the patent administration department of the State Council may require the applicant to submit within a specified time limit the information retrieved by that country for the purpose of examining the application or the information on the examination results; if the application is overdue without justifiable reasons, If not submitted, the application will be deemed withdrawn.