1. legal document: a patent is a document issued by the competent government department according to the applicant's application, which is called a patent or patent certificate. A patent is a legal document that confirms the inventor's rights and interests in his technology.
2. Concept of property right: In the field of intellectual property, patent refers to "patent right", which is the right granted by the state to a technological innovation or the inventor's exclusive use, manufacture and sale. It has an effective, recognized and protected legal nature.
3. Technical information document: In the process of submission and review, the "applicant" will provide information content including technical details and related rights and interests to the government authorities, and make the document available for public reference and study through public release.