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  • Tutorial - Advanced search
  • Advanced Search Instant Help
  • Query Syntax
  • Fields Definition
  • User Guide PATENTSCOPE
Query Assistant
Samples of searches:
wind turbine - general searches, looking everywhere
EN_ALLTXT:(wind turbine) - all the text fields are searched, the relevance
of top results is of high quality
ALLNAMES:(Mao Yumin) - looking for applicant,inventor,agent names
ALLNUM:(DK 2008 123) - looking for IDs, WO, PCT numbers
Specify the language of your search keywords
Stemming reduces inflected words to their stem or root form.
For example the words fishing, fished,fish, and fisher are reduced to the root word,fish,
so a search for fisher returns all the different variations
Returns only one member of a family of patents
Include Non-Patent literature in results