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This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections. This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results.
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This patent search tool allows you not only to search the...
- Patentscope
Free search of international patent applications filed under...
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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.
With its worldwide coverage and search features, Espacenet offers free access to information about inventions and technical developments from 1782 to today. 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.
PATENTSCOPE is a free patent database made available by the World Intellectual Property Organization (WIPO) with coverage of over 60 patent collections.
Free search of international patent applications filed under the PCT System and in many national collections.
Espacenet is a free patent search tool accessible to beginners and experts. It contains data on more than 120 million patent documents from around the world and is updated daily. Supporting information can help you understand whether a patent has been granted and if it is still in force.
Our patent search capabilities offer advanced boolean functions, structured search, biological search, classification search, filtering and sorting options to find the most relevant and important patents.
