How to retrieve the legal status of patents

How to retrieve the legal status of a patent is as follows:

Although many third-party patent search websites provide legal status, for the sake of timeliness, it is recommended to consult the official search websites in China National Intellectual Property Administration.

Enter the search conditions such as patent name, application number or WeChat official account in the regular search, and the search results page will list all the retrieved China patents (applications), as shown in the following figure:

Click Legal Status to get all legal status information of the patent (application) in chronological order.

In addition to the above methods, you can also query through the patent examination information query system. Please visit the official website of China National Intellectual Property Administration for the patent examination information inquiry system.