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Patent Information: Research databases

Guide to patent resources

Patents in research databases

Research databases provide bibliographic references of published patents. Information about patents in research databases is subject-specific.
The following databases include patents from selected sources, and they vary in coverage.

To obtain full-text patents, search patent office databases.

Disclaimer:  We do not take responsibility for the content on external web sites.

Patent classification

Patents in full (original documents) are available from national patent offices or from patent databases such as Espacenet.
You can search for patents using:

  • Keyword(s) 
  • Patent number
  • Classification code

Classification schemes are used to group patents by type of technical information:

  • IPC (WIPO) - International classification
  • CPC - Cooperative Patent Classification (extended IPC)
  • UKC - UK classification (before 2007)
  • Other (USPTO, JPO)