How to check whether the patent is authorized?

1. First enter official website and China National Intellectual Property Administration, click on the patent retrieval query in the menu bar above, and then click on the China patent query system again after entering.

2. After entering China patent inquiry system, click click to enter under public inquiry, and then choose to agree with the above statement to continue.

3. Enter the patent name, query, and then click on the basic information of the patent to check the basic information to see if the patent has been authorized, withdrawn or expired.

There are generally three situations: if there are two announcement numbers under the invention announcement or authorization announcement, the general patent is authorized. There are patent details under the transaction announcement.

It should be noted that utility model patents can only be retrieved after authorized publication, and invention patents can only be retrieved after pre-trial publication.