How to retrieve the legal status of patents?
To search the legal status of patents, you can go to China National Intellectual Property Administration's website, and the specific steps are as follows: log in to official website and China National Intellectual Property Administration; Click "Patent Search" on the homepage; After the "Patent Search" page appears, click the URL link of "Patent Search and Analysis" on the page; Click the URL link of "Patent Retrieval and Analysis" and click the "Legal Status Retrieval" tool on the left side of the page; Click the "Legal Status Search" tool, and then enter the application number, WeChat official account or patent name of the patent to be searched as required. The above is provided by Bian Xiao, the intellectual property of Bajie, to retrieve the legal status of patents. You can go to the websites of www.sipo.gov.cn and China National Intellectual Property Administration, and the specific steps are as follows: log in to official website and China National Intellectual Property Administration; Click "Patent Search" on the homepage; After the "Patent Search" page appears, click the URL link of "Patent Search and Analysis" on the page; Click the URL link of "Patent Retrieval and Analysis" and click the "Legal Status Retrieval" tool on the left side of the page; Click the "Legal Status Search" tool, and then enter the application number, WeChat official account or patent name of the patent to be searched as required.