Legal basis: Article 7 of the Provisions on Patent Electronic Application. Applicants shall submit relevant documents in the form of electronic documents when handling various procedures of patent electronic application. Unless otherwise specified, China National Intellectual Property Administration does not accept relevant documents submitted in paper form. Do not conform to the provisions of this paragraph, as did not submit the relevant documents. After a patent application is filed in paper form and accepted, the applicant may request that the paper application be converted into an electronic patent application, except for patent applications involving national security or vital interests that need to be kept confidential.