1. Turn on the computer, open the browser, search for "China National Intellectual Property Administration" in the browser, find "China National Intellectual Property Administration official website" in the search results, select "Patent Inquiry" in the function bar below official website, and click Enter.
2. After entering, query through the public query box on the right. First, enter your account number and password to log in. If this is the first inquiry, you can register an account according to the prompt through "public user registration" before logging in.
3. Enter the information query interface and enter the application number/patent number, invention name or applicant to query. Take the search for invention name as an example to query. Enter "water cup" in the column of invention name, select "design" as the patent type, enter the verification code, and click "Query".
4. Find the design patent you want to query in the query results, and click the option below the design patent to query all kinds of information of the design patent.
5. If you click Query Application Information, you can view the recorded information of the project, applicant, inventor and so on in the pop-up page.