1. Enter the website page of China Patent Inquiry System, as shown in the following figure:
At this point, if you are an electronic application registration user, you can directly enter personal information in the input field on the right and enter the inquiry system for inquiry;
If you are not an electronic application registration user, click "Public Inquiry" on the right to enter;
2. Because users who apply for electronic registration need to register and log in, the following steps focus on public inquiry. Click to enter public query, and you will jump to the interface of public query report, as shown in the following figure:
3. Select "Agree with the above statement" below and click "Continue", as shown in the following figure:
4. Click Continue to jump to the interface and enter "Public Query", as shown below:
5. In public inquiry, there are several inquiry columns, namely, application number/patent number, name of invention-creation, applicant, application start date, application deadline, etc. According to the information you have, select the query category to query, as shown in the following figure:
Note: The invention name, application number and applicant in the query conditions must be filled in. ?
The input application number/patent number must be 9 digits or 13 digits, and the letter "ZL" and "."are not required. In order to search accurately, more restrictions can be added.
6. Enter the patent number to be queried in the application number, pay attention to removing the spaces, and then click "Query". The query results are shown in the following figure: