Like a product, want to know how to check whether the product has a patent?

First of all, we can make it clear that the patent system is essentially open for protection, so as long as the product has a patent, it should be possible in theory, so how to check whether the product has a patent? Try it by Bian Xiao's method of Bajie Intellectual Property! How to check whether the product has a patent? This is something to do before applying for a patent. 1. The most direct way to know whether your product has been patented by others is to do a novelty search first. There are many ways. You can search free of charge on patent search websites such as Supaite, Baiteng and Runtong, or you can go to the patent office search center to do special novelty retrieval (charge). In addition, you can also consult an intermediary. If you want to apply for a patent in the future, you can find an agency to do a simple novelty search, and the general agency will provide this service free of charge. 2. Is novelty retrieval energy 100% comprehensive? There is no way to guarantee this, because it is basically impossible to achieve 100% because it involves the use of databases, the screening of keywords, the selection of retrieval methods and other factors, but in general, we can still understand the overall situation, so the basic needs can be met, so don't worry too much. 3. What should I do if I find something similar? (1) The patent of the other party has expired: just use it directly without applying for a patent. (2) The patent of the other party is valid, and your product completely falls into the protection scope of others. Modify the product design appropriately to avoid being sued for infringement. Or, declare the patent of the other party invalid and make it a public technology that anyone can use; Or, it is not bad to contact each other to discuss cooperation. Now you know how to check whether the product is patented, right? If the other party doesn't have a patent, then boldly use it to make your own patent application!