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Discover the potential of the EPO’s 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.
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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.
Advanced search. Enter numbers with or without country code. e.g. EP1883031 Publication number Tooltip. e.g. EP07010825 Application number Tooltip. e.g. US20030423700 Priority number Tooltip. Enter one or more dates (and/or date range for publication date) e.g. 20070919 Filing date Tooltip. e.g. 20070919 Publication date Tooltip.
2 Οκτ 2024 · The best search strategy is to think of all terms which can be used to describe your invention. Look up these terms in the keyword search field located in the Classification Text Search box on the right side of the page to find the relevant Cooperative Patent Classification (CPC) number.
The European Patent Register is a complete and up-to-date source of publicly available bibliographic and procedural information on European and PCT patent applications designating the EPO from the moment they are published and as they pass through each stage of the granting process.
25 Αυγ 2019 · Search in all data, including full text, per default. See your search query at all times and refine it whenever you want. Browse the entire result list with abstract snippets and/or drawings. Navigate the result list and document details at the same time.
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 understand whether a patent has been granted and if it is still in force.
