Data for almost all countries are complete since 1973. Data prior to 1973 are also available in respect of some countries. Allows free searching and retrieval of nearly four million documents, containing patents granted and patents applications filed. The data contains bibliographic texts, abstracts, and complete claims. This site provides facilities to conduct key word searches on abstracts and full texts.
Searches based on specified fields are also possible.
Database is available in English and French. Search can be done in any field individually or simultaneously. Search patents filed through PCT route since Jan 1998.