Patent retrieval is the need to retrieve patents before scientific research and patent application, so as to avoid repeated development and infringement of others' patent rights. Searching in advance can also judge whether it is possible to obtain a patent right for this technological achievement. You can go to China National Intellectual Property Administration Patent Document Library to search for patents manually, or you can search for patents online by computer or by patent CD-ROM.
Patent information retrieval is a term summarized by people engaged in patent literature work in long-term work practice, which refers to the activity of finding patent information.
Simply put, patent information retrieval is the search for patent information.
For details, you can click the green free consultation icon at the bottom of this question → ask TA for free consultation on patents, trademarks, copyrights and intellectual property rights, and the senior patent consultant will reply and solve any problems you need as soon as possible.