![]() For authoritative information, please refer to the relevant national patent authority. The EPO does not accept any responsibility for the accuracy or quality of the data displayed, including but not limited to their completeness and fitness for specific purposes, nor can it guarantee that such data are up to date. World Intellectual Property Office (WIPO): all published patent applications.United States Patent and Trademark Office (USPTO): patent applications with national filing date on or after 1 January 2003 (some earlier applications may also be available).Most member states have an Espacenet service in their national language, and access. Espacenet was developed by the European Patent Office (EPO) together with the member states of the European Patent Organisation. Korean Intellectual Property Office (KIPO): patent and utility model applications with a national filing date on or after 1 January 1999 Espacenet (formerly stylized as espcenet) 1 2 is a free online service for searching patents and patent applications.Japan Patent Office (JPO): patent and utility model applications with a national filing date on or after 1 January 1991.European Patent Office (EPO): all published patent applications.State Intellectual Property Office of the People's Republic of China (SIPO): patent applications with a national filing date on or after 10 February 2010.Canadian Intellectual Property Office (CIPO): patent applications with examination reports published on or after 1 August 2015.The offices supporting the Global Dossier service are listed below, together with brief details of the content available. However, it may take up to eight weeks from their national publication date before documents are available in the Global Dossier. The Global Dossier service provides single-point access from EP applications in the European Patent Register to dossier content of files of patent family members in numerous intellectual property offices (including the IP5 offices).Įach partner office offers real-time access to the relevant data on their servers.
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