What are the general channels for searching for patents?

Patent retrieval is to select documents or letters that meet a specific requirement from a large number of patent documents or patent databases according to one or several characteristics.

The process of interest.

China patents can be searched online through multiple websites, including paid websites and free websites. 1, website of China National Intellectual Property Administration, China; 2.Baiteng.com patent retrieval system; 3. Patent Star-patent retrieval system; 4.RAINPAT patent search engine.

For example, if you log on to the public patent inquiry website, you can inquire through any one of the invention name, patent number and applicant. Click on the application information or review information or legal status, and you can usually find the information you need.