There are several steps to apply for a patent:
1, determine the technology you want to patent and think about what innovations there are.
2. According to your own technology, is there any technology similar or the same as yours under online inquiry?
3. Write the patent application documents or ask an agent to write them for you.
4. Submit a written application to China National Intellectual Property Administration by mail or local patent agency; You can also submit the electronic version through the electronic system (you need to apply for opening)
5. Waiting for the approval of the Patent Office. In this process, the patent office will review your patent and then propose amendments or rejections. A written reply is needed.
Shanghai Chen Lin Patent Agency will answer your questions.