Patents include three types: invention, utility model and design. Before the patent is submitted for authorization, the invention fee is 3450 yuan, and the utility model and design fee is 500 yuan. After China National Intellectual Property Administration decided to authorize, the invention cost 255 yuan, and the utility model and design cost 205 yuan.
Therefore, the official cost of invention patent before authorization is 3705 yuan, and the official cost of utility model and design is 705 yuan.