How long does it take for an invention patent to be publicized after it has passed the preliminary examination? Is there a difference between publicity and publication?

If it is not required to be made public in advance, it will be made public automatically after 18 months. According to the provisions of the Patent Law, after receiving an application for a patent for invention, the patent administrative department of the State Council, after preliminary examination, finds that it conforms to the provisions of this Law, and publishes it after 18 months from the date of application. The patent administration department of the State Council may publish its application at an early date upon the request of the applicant. The application process of invention patent is: submission of application, preliminary examination, publication, actual examination and announcement of authorization. If it takes eighteen months to make it public, it shall be announced, or it may apply for an early announcement as needed. The application for a patent for invention has entered the publication stage since the issuance of the notice of preliminary examination. If the applicant does not make a request for early publication, it will not enter the public preparation procedure until 15 months after the application date. If the applicant requests to be made public in advance, the application will immediately enter the public preparation procedure. After format review, editing and proofreading, computer processing, typesetting and printing, about three months later, the abstract of its instructions was published in the Patent Gazette, and a brochure was published. After the application is published, the applicant has the right to temporary protection. Obtain patent authorization. Legal basis: Article 34 of the Patent Law of People's Republic of China (PRC). After receiving an application for a patent for invention, the administrative department for patent in the State Council, after preliminary examination, finds that it conforms to the provisions of this Law, and shall publish it within 18 months from the date of application. The patent administration department of the State Council may publish its application at an early date upon the request of the applicant.