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Patent Databases Research Guide

Free Patent Data Sources

inPASS

inPASS

In February, 2015, CGPDTM  (Controller General of Patents Designs and Trade Marks) introduced InPASS, which  allows full-text search to be conducted for patents as well as patent applications. This sources allows search using wild-cards, truncation and Boolean operators. With this, IPAIRS (Indian Patent Information Retrieval System)  has now officially been withdrawn.