On the website of the State Intellectual Property Office of the People's Republic of China, where to enter the patent number to query

To conduct a patent query on the website of the State Intellectual Property Office of the People's Republic of China, you need to perform the following steps:

1. Log in to the website of the State Intellectual Property Office of the People's Republic of China. Bureau website;

2. Click "Public Inquiry" on the right side of the page

3. After entering the page, drag the menu to the bottom and check "Agree with the above statement".

4. Make inquiries.

Note: In the search conditions, you must fill in one of the invention name, application number, and applicant.