What are the principles for applying for a patent? What do you mean by filing date and priority date?

The principle of patent application refers to the basic rules that run through the patent application process. The patent laws of various countries have basically the same provisions on the principle of patent application. So what are the principles of patent application in China? What do you mean by application date and priority date? What are the principles for applying for a patent? 1. Principles of patent application for inventions and utility models: According to Article 31 of China's Patent Law, an application for a patent for an invention or utility model shall be limited to one invention or utility model. That is, when applying for a patent for invention or utility model, we must adhere to the principle of one invention (or one utility model) and one patent. 2. Principle of applying for a patent for design: According to the provisions of China's patent law, applying for a patent for design should generally follow the principle of one design and one patent. What do you mean by filing date and priority date? (1) Date of filing: After the patent applicant submits the above documents to the Patent Office, it indicates that the patent applicant has formally filed a patent application. After receiving the application documents, the Patent Office shall specify the application date, give the application number and notify the applicant. (II) Priority date: Priority is a right stipulated in the Paris Convention for the Protection of Industrial Property, that is, when applying for industrial property rights such as patents or trademarks, all contracting States should recognize each other's national priority. The date of the first application is the priority date. Patent right is a kind of right that the patentee enjoys exclusively to encourage invention and creation. During the protection period, others are inviolable and protected by law. Therefore, we must protect the patent and obtain the patent right. Is the patent right automatically obtained? Patents cannot be obtained automatically. Even if the invention or utility model is novel, creative and practical, it must fulfill the patent application procedures stipulated in the Patent Law and submit the necessary application documents to the State Patent Office. After legal examination and approval procedures, the final examination is whether to grant the patent right. What are the principles for applying for a patent? What do you mean by filing date and priority date? We are here to answer this question for you. If you have more questions about patent application, you can continue to pay attention to Bajie Intellectual Property or contact us by phone.