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Derwent Innovations Index

  • Provides access to 14.3 million patents and inventions in the fields of chemical, electrical, electronic, and mechanical engineering. Includes patents from 40 worldwide patent-issuing authorities
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Free Resources

US Patent and Trademark Office

  • Search US patents directly through the US Patent and Trademark Office.
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Google Patents

  • Search and read the full text of patents from several world-wide patent authorities
  • Advanced Search

General Patent Training Materials

7 Step Strategy to Conducting Patent Searches

  • From US Patent Office, outlines step by step how to conduct an effective patent search

How to Conduct a Preliminary U.S. Patent Search 

  • Web based tutorial from US Patent Office

Patent Books