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Patents and Trademarks

Patent & Trademark basic information, databases, links for legal and status information

Citation Searches (free access, but limited)

  • Freepatentsonline (no login required)  
      
      
      
    Use REF/ for cited US Patents; FREF/ for cited international patents; OREF/ for other cited references - including Provisional patent applications
  • Patft.uspto.gov (Official public USPTO database)  
      
      
      
    Same as Freepatentsonline - REF/ FREF/ OREF/ - but as of April 2013 a slower search; and hard to print/save results.
  • Google Books (free to all)  
      
      
      
    If a source has an unusual combination of names or words/phrases; Google often can find books, reports, and articles that cite it in their bibliographies or notes.

Trademarks

IP Newsflash

Rolf Claessens's IP Newsflash  has international IP news, legal issues, and more

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