Search for Patent Documents
Patent Documents Databases
Wangfang Patent Database Search for patent information in various fields in China
Incopat Patent Database Search for patent information in various fields in China
Derwent Innovations Index Search for important global patent information including the U.S. A and China
Access to the Free Patent Websites
Google Patents Search for all U.S. patents
http://www.freepatentsonline.com/( It provides the full text of U.S. patents, European patents, world patents, and abstracts of Japanese patents. Features: Users can use the chemical molecular formula to search; it can be searched by enterprise, subject, etc.)
Soopat Patent Search (Professional Chinese patent search engine, providing Chinese and foreign patent search services, and patent-related technology, law, business, etc. The patent analysis function is relatively new)
Access to the Websites of Patent Offices
The full text of patent documents can also be obtained by visiting the patent search systems on the websites of patent offices of various countries
China National Intellectual Property Administration
European Patent Office
United States Patent and Trademark Office |
Japan Pantent Office |
World Intellectual Property Organization(WIPO)
UK Patent Office German Patent and Trade Mark Office Swiss Federal Institute of Intellectual Property Intellectual Property Department, The Government of the Hong Kong Special Administrative Region Government of the Macao Special Administrative Region, Economic and Technological Development Bureau |
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Users can send an email to lib@ustc.edu.cn, and our staff will give you a satisfactory answer.