Free database to search over 1 million PCT International Patent Applications, and PCT national phase entry information, starting 1978 depending on the class of information. The service also enables users to view the latest information and documents available to the International Bureau. The PCT (patent cooperation treaty) started in 1970 as part of the IP program of WIPO, that is a special agency of the United nations. Documents contain bibliographic data, description, claims, national phase and notices. All documents available through PATENTSCOPE Search Service are available as complete PDF and ZIP files.
Go to Database  Database Tutorial