Patent Information

Patent Searches

Engineering Village
Includes searches of United States and/or European patents.
USPTO Patent Searches
Access to USPTO Patent Databases including the Patent and Full-Text and Image Databases and the Patent Application Information Retrieval System.
European Patent Office Espacenet Patent Search
Free access to more than 70 million patents worldwide including full-text of published European patents.
World Intellectual Property Organization PATENTSCOPE
PATENTSCOPE searches ten million patent documents including more than two million published international patent applications (PCT).
Google Patent Search
Often incomplete but with thumbnail previews.
InnovationQ Plus
Semantic search of over 92 million full-text patents worldwide and non-patent literature from IEEE

Article Databases with Patent Searching

Online version of Chemical Abstracts that includes chemical patents.
Lexis Nexis Academic Universe
Searches US, European, and Japanese patents. Click "US Legal" then "Patents" to search.
Food Science & Technology Abstracts
Contains patents related to food technology.

Patent Offices

Useful Sites