1, public day:
Refers to the date when the patent department receives an application for a patent for invention, which is considered to be in conformity with the provisions of the patent law after preliminary examination, and is published after 18 months from the date of application. It can be published as soon as possible at the request of the applicant (the date of publication is invention patent, utility model and design have no date of publication).
2. Date of authorization announcement:
Refers to the date when the patent department makes a decision to grant a patent right, issues a patent certificate, and registers and announces it at the same time. The patent right shall take effect as of the date of announcement.
Therefore, the public day is only the beginning of the audit, and the authorization announcement day is the symbol of patent success.
Extended data:
The necessity of patent disclosure:
Publicity is the examination procedure of invention patent application, and its purpose is to let the public know that someone wants to apply for an open invention. Before publication and authorization, anyone can submit materials to the Patent Office that can prove that the published patent application is not novel or creative. The purpose of this should be to use the power of the public to examine patent applications.
After the patent application is published for a period of time, the Patent Office will conduct a formal review of the patent application, such as whether the patent claim is clear, whether the specification is fully disclosed, whether the invention has three characteristics, and whether there is oneness between multiple inventions in the same application. After the application meets the above requirements, it can be authorized.
Reference source 1: sogou encyclopedia-patent open day
Reference Source 2: Sogou Encyclopedia-Patent Announcement