How to apply for an invention patent, and whether the invention patent can be sold for money! Is it valuable?

When applying for a patent, the application documents shall be submitted directly or sent to the reception office of China National Intellectual Property Administration Patent Office or the patent agency established in China National Intellectual Property Administration. To apply for a patent for invention, you need the following information:

1, invention patent request

2. Instruction (if the instruction has attached drawings, the attached drawings shall be submitted)

3. Requirements

4, abstract (if necessary, there should be a summary map).

(Each of the above is in duplicate)

Invention patents can be sold for money. How much can be sold depends on the market potential of the invention.