I have an idea of invention. How can I apply for an invention patent?

Hello! Ways: You can apply directly in China National Intellectual Property Administration or entrust a patent agency to apply. 1. 1. Determine the type of patent application: invention patent, utility model patent or design patent; 2. Then, prepare different application materials according to different patent types. Inventions and utility models need to provide technical disclosure, and designs need to provide six-sided drawings; Everything else is handled by the agency for you. You can contact me if you need detailed consultation. In addition, you don't need physical objects, you can apply for a patent as long as you have an idea.