How to conduct patent inquiry? What are the methods of patent inquiry?

With the increasingly fierce competition of patented technology, enterprises and universities pay more attention to the role of patented technology in management and scientific research. With the increasing number of patent applications, similar patents and repeated development will inevitably be encountered in the process of patent application. In order to find out in time before preparing a patent application, many applicants will conduct patent search queries. The following small series will introduce you to how to conduct patent inquiry and what are the methods of patent inquiry. How to conduct patent inquiry? What are the methods of patent inquiry? How to conduct patent inquiry? 1. Entrust a patent agency to conduct patent search. 2. Individuals go to the website of China National Intellectual Property Administration, China (China National Intellectual Property Administration, People's Republic of China). Patent retrieval is carried out through patent retrieval and inquiry on the homepage of the website. (1) field retrieval: the system provides 16 retrieval fields. Users can choose from 16 search items according to known conditions, and can perform single-field search or multi-field limited search. Each search field can be searched by fuzzy method, and any letter, number or word can be represented by% (which must be in half-width format); Multiple fuzzy character can be used, and that first position can be omit anywhere the search string is entered. (2)IPC classified retrieval IPC classified navigation retrieval refers to the use of various departments, categories and subcategories in the IPC category table to gradually query the category of interest, and click on the name of such category to get the patent retrieval results under this category (except design). IPC classified navigation retrieval also provides keyword retrieval, that is, keyword retrieval is carried out within the scope of invention names and abstracts under a certain category to improve the retrieval accuracy. 3. Search tools published by the world patent countries specifically for searching domestic patents: American patent bulletin and annual index of patents, Japanese patent express, patent and utility model collection, franchise bulletin, etc. International organizations and private publishing institutions specialize in reporting patents in a certain region or many countries in the world, and publish international patent documents and retrieval tools, such as Patent Cooperation Treaty (PCT), European Patent Document (EPC), International Patent Document Center (INPADOC) and derwent Patent Document Retrieval System.