There is also the situation you mentioned. If the patent agent leaks the details of your patent to others, let alone whether you will sign an agency agreement with the patent agent. Before applying for a patent, please be prepared and record the time when you have this design. Every step and detail of the design, as well as some specific ideas, ideas, inspirations and other materials that can prove that the design is in your hands, should be kept in a key way so that you can protect yourself through legal means in case of disputes in the future. In fact, it involves legal issues, and nip in the bud is the most important thing.