Process: 1, novelty retrieval, to ensure that the technology is brand-new. 2. Write application documents, including instructions, claims, drawings and summaries of instructions, etc. 3. Submit the application through electronic application or paper application. 4. After the patent is accepted, the Patent Office issues a notice of patent acceptance and a notice of payment, which shall be paid within the specified time. 5. During the preliminary examination, the patent office examiner searches and examines the application, and issues a notice of examination opinions, sometimes without notice, and the examination is directly authorized. 6. Closing the case: it is divided into authorization, rejection or deemed withdrawal.
Time: different fields have different authorization time. According to my experience, in general, the utility model is 6- 12 months, and the invention is 1.5-3.5 years.