E-Patents : เอกสารสิทธิบัตร

Patent Databases : Year 2012



Canadian Patents Database	CIPO's Canadian Patent Database. This database lets you access 92 years of patent descriptions and images. You can search, retrieve and study more than 2,100,000 patent documents. Free Database \| Produced by CIPO


Espacenet Patent Search (esp@cenet )	A free online service for searching patents and patent applications. Espacenet was developed by the European Patent Office (EPO) together with the member states of the European Patent Organisation. Espacenet offers free access to more than 70 million patent documents worldwide, containing information about inventions and technical developments from 1836 to today. Free Database \| Produced by EPO


Google Patent Search	Over 7 million patents. Google Patent Search covers the entire collection of patents from the United States Patent and Trademark Office (USPTO), launched on December 13, 2006. Free Database \| Produced by Google


USPTO Patent Full-text and Image Database	US Patent and Trademark Office (USPTO) provides full text for patents issued from 1976 to the present. They provide TIFF images for all patents from 1790 to the present. You can search on text in all elements (fields) of the patent or select those fields you wish to search only for patents issued since 1976, and only search on patent numbers and/or classification codes for the pre-1976 patents. Download TIFF image browser plug-in for Patent images Download AlternaTIFF image viewer for Windows web browser Free Database \| Produced by USPTO


PATENTSCOPE (WIPO)	Using PATENTSCOPE® Search Service, you can search 7,764,771 patent documents including 1,879,944 published international patent applications (PCT). The World Intellectual Property Organization (WIPO) is an international organization dedicated to promoting the use and protection of intellectual property. With headquarters in Geneva, Switzerland, WIPO is one of the 16 specialized agencies of the United Nations system of organizations. It administers 23 international treaties dealing with different aspects of intellectual property protection. The Organization counts 183 nations as member states. Free Database \| Produced by WIPO


DIP	Patent Search Sytem of the Department of Intellectual Property (DIP), Thailand Sources : DIP (Thailand), JPO (Japan), KIPO (Korea), WIPO, EPO (Europe), USPTO (USA) Free Database \| Produced by DIP