According to the Patent Law, the examination and approval procedure of an application for a patent for invention includes five stages: acceptance, preliminary examination, publication, actual examination and authorization. The application for a patent for utility model or design does not undergo early publication and substantive examination in the examination and approval, and there are only three stages: acceptance, preliminary examination and authorization.
Name, technical field, background technology, invention content, attached drawings and specific implementation of the invention patent. The contents of the manual should be written in detail, and the technical contents mentioned shall be subject to the realization after reading by ordinary technicians in this technical field. Invention patents often have drawings. If only words are enough to describe the technical scheme clearly and completely, there is no need for drawings.
Including the name, technical field, background technology, invention content, attached drawings and specific implementation methods of the utility model patent. The contents of the manual should be written in detail, and the technical contents mentioned shall be subject to the realization after reading by ordinary technicians in this technical field.