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Espacenet: free access to millions of patent documents. Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art.
Espacenet: free access to millions of patent documents. Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art.
Espacenet is accessible to beginners and experts and is updated daily. It contains data on more than 150 million patent documents from around the world. Supporting information can help you.
Access to the file histories of related applications from participating IP Offices, which currently include the IP5 Offices (USPTO, EPO, JPO, KIPO, and SIPO). Patent offices around the world allow free.
Understanding the Context
Discover the potential of the EPOs legal patent information: find out if and where a patent has been granted, if it is valid, if there is still time to challenge it and much more.
With its worldwide coverage and search features, Espacenet offers free access to information about inventions and technical developments from 1782 to today.
Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.
We will keep classic Espacenet running for a little while longer so that the transition is smooth. The CPC International project (CPCI) was launched on 24/25 August 2019. Read more
Key Insights
The EP database contains the entire collection of European patent applications published by the European Patent Office. You can search in the full text of all these applications.
Espacenet is a free tool offered by the EPO that provides access to more than 90 million patent documents worldwide, containing information about inventions and technical developments.
Espacenet offers free access to more than 80 million patent documents worldwide, containing information about inventions and technical developments from 1836 to today."
