The general flow of patent application (1) determines the application type 1, and the shape, structure, production technology and formula of the invented product are protected for 20 years; 2. Protect the shape, structure or combination of the two of the utility model products 10 year; 3. Protect the shape, pattern or color of design products and their combination 10 year; 2. Write the contents of the application document: 65438+. 2. Design: request, design drawings or photos, and a brief description of the design. Methods: Write it yourself or entrust an agency to write it. (3) Submit the patent document 1 and mail it directly to China National Intellectual Property Administration (Beijing) 2. Hand-deliver it to China National Intellectual Property Administration Shanghai Agency (Room 9 16, Building 9, No.333 Chengdu North Road, Shanghai) (4) Pay the application fee 1 and invent 900 yuan/piece; 500 yuan/piece of utility model; Design 500 yuan/piece. 2. You can apply to China National Intellectual Property Administration Transportation for fee reduction and exemption, and pay 30% of the fee, and you can also pay 30% of the annual fee in the first three years.