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How to inquire about the invention patent certificate

The steps are as follows:

1. Log on to the China patent electronic application website (address: cponline.cnipa.gov.cn).

2. Enter your user code, password and verification code, and then click "Login to foreign service".

3. Select "Business Handling, Electronic Patent Certificate Inquiry" in the menu.

4. Enter relevant query conditions in the query interface, such as application number or patent number, and then click the "Query" button.

5. Find the patent certificate you need in the certificate list and check the corresponding certificate.

6. Click the "Download Patent Certificate" button to download the electronic invention patent certificate.