1. Design patent application (6 months to 8 months) To apply for a design patent, you need to prepare six-sided appearance views of the product, and fill in the "Design Patent Application Form" together with the appearance Briefly describe the design and submit application documents to the State Intellectual Property Office. After submitting the application, you can get the "Patent Acceptance Notice" in about a week; the Intellectual Property Office will issue the "Notice of Grant of Design Patent Rights" and "Notice of Registration Procedures" in about six months; pay the patent registration fee and annual fee. After that, the certificate will be issued in about two months. Therefore, design patent applications generally take 6 months to one year, but the specific time depends on the review status of the patent office. 2. Utility model patent (10 months to 1 year) Both utility model patents and invention patents need to write a request, claims, instructions and other patent application documents and submit them to the patent office. Among them, the invention patent application process is the most complicated. The Patent Law stipulates that invention patents are subject to substantive examination only after the application description is disclosed. Submitting an early disclosure statement is to enter substantive examination as soon as possible and shorten the patent application cycle. Therefore, if you need to shorten the application period, it is best to submit two documents, the "Request for Advance Disclosure Statement" and the "Request for Substantive Examination" at the same time when applying for an invention patent. How long does it take to apply for a patent? The authorization period for utility model patent applications is generally about one year. After submitting the application, you can get the "Patent Acceptance Notice" in about one week; the Patent Office will issue the "Notice of Grant of Utility Model Patent Rights" and "Notice of Registration Procedures" in about six to eight months; pay the patent registration fee and annual fee. After that, the certificate will be issued in about two months. If a utility model patent application is processed for "expedited examination" one month after the date of filing, it will generally be authorized in about six months if everything goes well. 3. Invention patents (2 years to 3 years) The authorization period for invention patent applications is generally about 3 to 5 years. There is no clear limit on the approval period in law. After submitting the application, you can get the "Patent Acceptance Notice" in about a week; proceed to the preliminary review stage, and if the review is passed, if the specification of the applied patent is disclosed in accordance with the advance public statement, it will enter the substantive review stage; if the actual review is passed, a "Grant" will be issued. "Notice of Invention Patent Rights" and "Notice of Registration Procedures"; after paying the fees in time, the certificate will be issued in about two months. In this way, it usually takes about three years for the invention patent application process to go smoothly.