1. Approval process of invention patent application Patent application-acceptance-preliminary examination-publication-substantive examination request-substantive examination-authorization
2. Documents to be submitted when applying for a patent for invention
1) request: including the name of the invention patent, the name of the inventor or designer, the name and address of the applicant, etc.
2) Description: including the name, technical field, background technology, invention content, attached drawings and specific implementation methods of the invention patent.
3) Claim: Explain the technical features of the invention, and clearly and concisely state the content to be protected.
4) Drawings in the specification: Invention patents often have drawings. If only words can describe the technical scheme clearly and completely, there is no need for drawings.