2. Select "Patent Search and Query Column".
3. After clicking, you will jump to the new page of "Patent Search and Query".
4. Click "China Patent Inquiry".
5. Click to enter the "China Patent Inquiry System" page.
6. If you are an electronic registered user, you can directly enter personal information in the input field on the right and enter the inquiry system for inquiry.
7. If you are not an electronic registered user, please enter the "Public Inquiry" on the left.
8. Because users who apply for electronic registration need to log in, the following steps will introduce public inquiry. Click to enter public query, and you will jump to the interface of public query statements.
9. Select "Agree with the above statement" below and click "Continue".
10. Click Continue to jump to the interface and enter "Public Inquiry".
1 1. In public inquiry, there are several inquiry columns, namely, application number/patent number, name of invention-creation, applicant, initial application date, closing date of application and other inquiry categories. According to the information you have, select the query category and make a query.