How to check whether a patent is duplicated? In addition to the relevant procedures, patent applications also need to be noted that the patent applied for cannot be duplicated by others. The editor below will introduce to you how to check whether a patent is duplicated. How to check whether patents are duplicated? The patent application will be made public within 18 months, and the information can only be seen after it is made public. Therefore, the patent application status cannot be seen on any platform before it is made public. After the patent is published, you can conduct a patent search on various patent search platforms, and the patents retrieved are those that have been registered and applied for. You can search on the official website of the State Intellectual Property Office, or go to some patent search websites. If you cannot search by yourself, you can go to a patent agency and entrust a patent agent to help with the search, which requires a fee.