Global Patent Index (GPI) now with access to more than 130 000 000 patent documents
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GPI is the EPO's advanced prior-art search tool. To use it, all you need are some basic Boolean search skills, which you can easily learn from the handy GPI pocket guide or the more detailed GPI user manual, both of which are available on the EPO website.
The tool now gives access to more than 130 000 000 patent documents for searches in the EPO's worldwide data collection, i.e. DOCDB bibliographic data, INPADOC legal events and full-text data. It also provides features for downloading or visualising the results for statistical analysis. You can follow GPI activities and interact with other users on the GPI forum.