Espacenet
Espacenet: free access to the database of over 90 million patents
New in Espacenet
You can now do full-text searches in English French or German. Simply select the database in the language you require.
Combisets – an ordered list of linked CPC symbols created by patent examiners – are now searchable in Smart search.
Secure access to Espacenet is now available. This means that you can search in Espacenet within a verified secure domain. It also verifies that all communications between your browser and the website are encrypted.
You can now access the Common Citation Document (CCD) via Cited documents as well as via the INPADOC patent family sections of Espacenet. Another option is to access it through the official IP5 website . The CCD gives you an insight into how examiners in national patent offices look for prior art, and can help you get early certainty from their search reports on pending patent applications. Try out CCD
For more details, please see the release notes
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Espacenet: Intro
Cooperative Patent Classification: Intro
