Do all products produced by the company have patent rights?

Not necessarily. An enterprise does not necessarily enjoy patent rights for its products, and there are strict restrictions on the granting of patent rights, such as creativity and novelty. Please refer to the patent law for details. The so-called patent infringement means that the characteristics of the technology you use belong to the protection scope of the technical characteristics of the patent. If the technology you use does not fall within the scope of protection of existing patents, it does not constitute infringement. And patent protection has a time limit. After the protection period, the patented technology will enter the public domain and everyone can use it. This is also the need to balance the interests of the public and the patentee. As for whether a specific company has applied for a patent for a certain technology and whether the patent is still in the protection period, you can check it on the website of China National Intellectual Property Administration. Patent Law Article 1 This Law is formulated for the purpose of protecting the legitimate rights and interests of patentees, encouraging inventions and creations, promoting the application of inventions and creations, enhancing innovation ability, and promoting scientific and technological progress and economic and social development.