Is the patent paid after authorization?

This 300 yuan is the registration fee to be charged by China National Intellectual Property Administration.

For official expenses, it must be charged.

As for the 1000 previously given by Yuan You to the agent,

Need to confirm how the contract with the agency is signed,

If it is only the agency fee, excluding the above official fees,

Then there is no problem.

After paying the registration fee to the patent office, you will receive the patent certificate in about 1-2 months.