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Espacenet: free access to over 160 million patent documents Siemens EP 2007Smart search: Clear
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Espacenet: free access to over 120 million patent documents
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If you want to make a more detailed search, for example using bibliographic data, choose Advanced Search If you select Classification search you can consult the classification schemes of CPC, the Cooperative Patent Classification As default, Smart search is connected to the Worldwide database
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A patent prior art search consists in finding relevant documents in a collection of patent documents The fields searched are usually abstracts or classification symbols
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Über Espacenet Andere Online-Dienste Patentsuche Open Patent Services Europäisches Patentregister Europäischer Publikationsserver Global Patent Index Suche Trefferliste Meine Patentliste () Abfrageverlauf Nutzereinstellungen Hilfe Smart search Erweiterte Suche Klassifikationssuche
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Patent Applications are normally published 18 months after their first filing date and therefore very often represent the first published information available In other words newly published Patents are the most up-to-date information available in a specific field
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Espacenet: free access to the database of over 120 million patent documents
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