It is not a necessary document. Necessary documents include a request, a claim, and a description; these three are the necessary conditions for applying for a patent. If they are not met, you cannot apply; in our country, patents There are two meanings: 1. Used in spoken language, it only refers to "exclusive possession". For example, "This is just my patent." 2. Intellectual property has three meanings, which are relatively easy to confuse. Specifically, they include: First: Patent right refers to the patent right enjoyed by the patentee, that is, the state grants the patentee or his successor the exclusive rights within a certain period of time in accordance with the law. The right to use their inventions and creations, the emphasis here is on rights. Patent right is a kind of exclusive right, which is exclusive and exclusive. If a non-patentee wants to use the patented technology of others, he must obtain authorization or permission from the patentee in accordance with the law. Second: refers to inventions and creations protected by patent law, that is, patented technology, which is a proprietary technology recognized by the state and legally protected on the basis of disclosure. "Patent" here specifically refers to technology or solutions protected by national law. (The so-called proprietary technology refers to technology that enjoys exclusive rights. This is a larger concept, including patented technology and technical secrets. Certain professional technologies that do not belong to patents and technical secrets are only available in certain technical service contracts. Meaning. ) A patent is an invention-creation protected by legal regulations. It refers to an invention-creation that submits a patent application to the national examination and approval authority and is granted to the patent applicant within the time specified in the country after passing the examination in accordance with the law. It enjoys exclusive rights and requires regular annual fees to maintain this state-protected status. Third: Refers to the patent certificate issued by the Patent Office confirming the patent rights enjoyed by the applicant for his invention or creation or the patent document recording the content of the invention and creation, which refers to the specific material document.