1. Prepare patent application documents: 1. Writing application documents for invention patents; 2. Make application documents; 3. Submit a patent application and obtain a patent application number.
2. Examination of patent application: The Chinese Patent Office examines the patent application documents, and the patent agent makes patent corrections, replies and changes during the examination.
3. Patent examination conclusion: China Patent Office will authorize or reject the examination conclusion according to the examination situation. Generally, this process takes 4-6 months for design, 6-8 months for utility model and 1.5 years for invention patent.
4. Request for patent registration or reexamination: If the patent application is authorized, it shall go through the registration formalities according to the requirements of the patent authorization notice and obtain a patent certificate.
Legal basis: Article 26 of the Patent Law of People's Republic of China (PRC), when applying for a patent for invention or utility model, a request, specification, abstract, patent right and other documents shall be submitted. The request shall specify the name of the invention or utility model, the name of the inventor, the name and address of the applicant and other matters.