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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.
- Browse by Week
This patent search tool allows you not only to search the...
- Browse by Week
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.
Search, analyse and share the biological sequences disclosed in patents. Explore which articles influence what patents and who is building products. Measure the influence of published scholarship on things that matter. Present and share your patent and scholarly work output coupled with CV modules.
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.
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.
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.
