Priority principle in patent law;
1. Determine the ownership of the right of invention and creation through legal procedures, so as to effectively protect the achievements of invention and creation and monopolize the market in exchange for the maximum benefit;
2. In order to take the initiative in the market competition, ensure the safety of production and sales, and prevent opponents from suing themselves for infringement (forcing them to stop production and sales due to high economic compensation);
3. The patent right is protected by the national patent law, and no unit or individual may use it (sue others for patent infringement and demand compensation) without the consent of the patentee;
4. Apply for a patent for one's invention and creation in time, so that one's invention and creation are protected by national laws and prevent others from imitating new technologies and new products developed by enterprises (which constitute technical barriers, and others must obtain the consent of the patentee if they want to develop similar technologies or products);
5. If you don't apply for a patent for your invention and creation in time, others will file a patent application for your labor, and then sue the court or the patent management authority for patent infringement;
6, can promote the upgrading of products, but also improve the technical content of products, and improve product quality, reduce costs, so that enterprise products in an invincible position in the market competition;
Legal basis:
Decision of NPC Standing Committee on Amending the Patent Law of People's Republic of China (PRC)
The first paragraph of Article 29 is amended as: "Where an applicant applies for a patent for an invention or utility model for the first time in a foreign country within 12 months, or applies for a patent for a design for the first time in a foreign country within 6 months, and applies for a patent for the same subject in China, he may enjoy the priority according to the agreement signed by the foreign country with China or the international treaties to which both countries are parties, or according to the principle of mutual recognition of priority.