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Patent Databases Research Guide

Free Patent Data Sources


Surf-IP (Intellectual Property Office of Singapore) The Surf-IP site at is a portal site produced by the Singapore Patent Office (IPOS). It provides a single search window through which to interrogate the free search files at the Singapore, Japanese, Chinese, Thailand and Taiwanese patent offices, plus the USPTO (full text), PCT (full text), EPO, United Kingdom and Canadian systems loaded in Singapore.