This paper introduces the detailed steps of patent inquiry by using patent number.

How to use the patent number to inquire about patents? You can use China National Intellectual Property Administration's search engine to search for patents by patent number. Website: Enter the patent number in the corresponding search field and click the search button. The following is a detailed introduction of patent inquiry with patent number. Detailed steps of patent inquiry with patent number 1 Detailed steps of patent inquiry with patent number 1, log on to China National Intellectual Property Administration website or China Patent Network 2, click Advanced Search 3 in the patent retrieval section on the right, enter keywords you know, such as patent number or patent name, and click the red search button 4 to get all relevant patent retrieval tables. Select a patent and enter the specific title page of the patent. 5. If you are prompted to install the plug-in, install it as required, otherwise you will not be able to browse the manual. 6. Click the manual button at the bottom of the patent number to enter the manual page, where you can browse the specific content. 7. Click the Save button on the top line to select the download path, and then select OK to download successfully. Note: The patent number in 13 is the application number, and so is WeChat official account in 9. Know the inventor, applicant and invention name, and want to inquire about the patent.