What are the examination procedures for invention patents?

What are the examination procedures for invention patents? V. Modification of application: Patent application is different from trademark application. Patent application not only examines the formal requirements, but also substantively examines whether the patent is novel. So, what are the examination procedures for invention patents? The following is a detailed introduction for you. What are the examination procedures for invention patents? 1. Documents required to submit an application: 1. Description, claims, abstract and drawings (if any). All application documents must be submitted in Chinese; 2. Contact list, which shall include the following information: names and addresses of inventors and applicants; Where there is a priority claim, the country, date and number of the earlier application shall be provided; 3. The power of attorney signed by the applicant can be supplemented after the application; 4. Proof of priority. Where the right of priority is claimed, the relevant documents of priority shall be submitted within 3 months from the date of application. 5. Proof of priority transfer. Where the applicant for the earlier application is inconsistent with the applicant for the later application, the original or notarized copy of the certificate of priority transfer shall be provided. Certificate of priority transfer can be submitted within 3 months from the date of application. 6. The preservation and survival certificate of microorganisms is applicable to the new microorganisms involved in the application, microbial processing technology or microbial products obtained by the technology, and the microorganisms cannot be obtained by the public before the application date. Preservation of the survival certificate can be submitted within 4 months from the date of application. 2. Preliminary examination: The State Patent Office conducts a preliminary examination of the invention patent to check whether the submitted documents meet the requirements. 3. Publication: If the preliminary examination by the Patent Office meets the formal requirements stipulated in the Patent Law, the invention patent shall be published within 18 months from the filing date or priority date. After the publication of a patent for invention, its application will be temporarily protected, and the applicant may ask the entity or individual who exploits the invention to pay an appropriate fee. Where an applicant for a patent for invention requests to publish his patent application in advance, he shall prepare to publish it from the date of passing the preliminary examination and publish it at the expiration of three months. Substantive examination: An application for a patent for invention needs substantive examination. The substantive examination procedure of an application for a patent for invention is initiated mainly based on the applicant's request for substantive examination. In order to start the substantive examination procedure, the applicant shall make a formal substantive examination request within 3 years from the date of filing or priority in China. If no substantive examination is requested during this period, the application will be deemed to be withdrawn.