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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
Free search of international patent applications filed under the PCT System and in many national collections.
It is the primary and thus most up-to-date and complete source of data on patent applications filed under the Patent Cooperation Treaty (PCT) and includes numerous unique features including cross-lingual semantic search, facilitating keyword search in multiple languages.
Search specific patents by importing a CSV or list of patent publication or application numbers.
Search among millions of patent documents. Search multilingual scientific, technical and legal terms in 10 languages. Search for patent information relating to Environmentally Sound Technologies (ESTs). Consult the official online version of the International Patent Classification (IPC) for classifying patent documents.
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.
Search published applications. Published international applications are available on PATENTSCOPE, one of WIPO's global databases. This database also includes patent documents from 78 participating Offices providing public access, free of charge to over 112 million technology disclosures.
