1. Download the CPC client (CPC installer) from the electronic application website of China Patent Office.
2. Update the latest CPC client offline package (download and upgrade CPC client offline upgrade package).
3. There are generally three ways to register electronic application users, namely face-to-face registration, email registration and online registration. Here, we focus on online registration, enter the China electronic patent application interface, and click on the legal person registration.
4. Fill in the company's relevant information for online registration, register as a temporary user on the electronic application website, and mail the registration materials to the Patent Office for formal registration within 15 days. Registration information is required.
5. After successful registration, use the official electronic application user name and password to log in, maintain the registration information and modify the password. Click the login button to enter the user information column, and click Certificate Management in the user certificate on the left to download the certificate.
6. Enter the download certificate button at the top of the middle page of the interface and follow the prompts to complete the installation.
Note: Digital certificates are valid for three years and cannot be used normally after expiration. At that time, you need to log on to the electronic application website and use the digital certificate update function to complete the digital certificate update.