How to inquire about relevant information in China National Intellectual Property Administration before the patent is granted?

If you have your patent number, you can directly enter the number in the legal status for inquiry.

You can also query patent certificate, post information, query notice, post information and query transaction notice.

You can also directly call the customer service staff of China Intellectual Property Office to tell them your patent number and ask them to help you check.

The phone number is 0 10-62356655