Date of filing: the date when an application that meets the acceptance conditions is filed with the Patent Office. ?
Open day: Is it the date when your documents are made public?
Announcement day: Generally speaking, the utility model is the authorization day.
Priority date: If an applicant files a patent application for an invention or utility model in China within 12 months from the date when a foreign country first filed a patent application, or within 6 months from the date when a foreign country first filed a patent application for a design, he may enjoy priority according to the agreement signed between the foreign country and China or the international treaties to which both countries are parties, or according to the principle of mutual recognition of priority.
Extended data:
Patent application is a necessary procedure for obtaining patent right. To obtain a patent right, the applicant shall file an application with the State Patent Office, which shall approve and issue a certificate.
When filing a patent application with the State Patent Office, the applicant shall also submit a series of application documents, such as the request, specification, abstract and patent claim. In terms of patent application, the provisions of the patent laws of all countries in the world are relatively consistent, but there are also many differences.
A patent application is a request made by an inventor, designer or other subject who has the right to apply to the Patent Office for a patent right for invention or design. According to the provisions of China's patent law, an application for a patent shall be submitted to the Patent Office with an application, specification, patent claim, abstract, drawings and a request for priority.
Among them, the appended drawings and priority claims are not essential to every application, but they are beneficial to patent applications. A patent application shall be in written form, mainly including the following contents: the request, the name of the invention or design, the name and identity of the applicant, the name and identity of the agent and the signature.
References:
Baidu Baidu-patent application