Beijing Wuyi International Intellectual Property will give you the answer:
1. Enter the "China Patent Query System" website page, as shown below:
At this time , if you are a registered user of electronic application, you can directly enter personal information in the input field on the right and enter the query system to query;
If you are not a registered user of electronic application, then directly click "Public Inquiry" on the right "Enter;
2. Since electronic application registration users need to register and log in, the following steps focus on public inquiry. After clicking to enter public inquiry, you will jump to the public inquiry statement interface, as shown in the following figure: < /p>
3. Select "Agree with the above statement" below and click "Continue", as shown in the figure below:
4. After clicking Continue, jump to the interface and enter "Public Inquiry". As shown in the figure below:
5. In the public query, there are several query columns, namely: application number/patent number, invention title, applicant, starting application date, closing application date, etc. According to the information you have, select the query category and perform the query, as shown in the figure below:
Note: In the query conditions, you must fill in one of the invention name, application number, and applicant. . ?
The entered application number/patent number must be 9 or 13 digits. There is no need to enter the letters "ZL", and it cannot contain "." For more accurate searches, you can add a few more restrictive conditions.
6. Enter the patent number you need to query in the application number, and then click "Search". The query results are as shown below: