1. Check the network connection. Abnormal login of client user information of patent business handling system requires normal network connection. If the network is not connected, it is impossible to complete the collection of client user information. Therefore, when the client of the patent business handling system cannot log in, the first thing to check is the network connection.
2. Check the account number and password. The user information of the patent business handling system client is abnormal. Please check whether the account number and password are correct. If the password is modified or entered incorrectly, the client user information is abnormal. If you forget the password, you can try to get it back.