2. A patent is also a protected exclusive right owned by the creator of an invention.
3. In modern times, patents are generally documents issued by government agencies or regional organizations representing several countries according to their applications. This kind of document records the contents of the invention and creation, and in a certain period of time, it has produced such a legal state that the patented invention and creation can only be implemented by others under normal circumstances with the permission of the patentee. In China, there are three kinds of patents: inventions, utility models and designs.