STN

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STN® - The choice of patent experts

As the premier single source for the world's disclosed scientific and technical research, intellectual property professionals and patent examiners at the world's major patent offices and research organization rely on STN to answer business critical questions and make informed decisions.

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Unique Content

STN provides an information advantage. Only STN offers access to the world's scientific information on one integrated platform, including the authoritative chemistry content from CAS and patent content from Thomson Reuters' Derwent World Patents Index®.

Unparalleled Power and Precision

The robust search features of STN give you the flexibility to search as broadly or narrowly as you need, with unique tools and features that specifically address the challenges of searching and analyzing sci-tech, chemical and patent information.

Proven Reliability

STN goes beyond content and tools. As your partner with more than 30 years of dedicated service to professional searchers, we care about the quality of your search results and are ready to help when you need us.

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Learn More About STN

STN News - What's New on STN

    
    September 29, 2014 | Cooperative Patent Classification
    (CPC) Combination Set Data Now Available in CAplus,
    INPADOCDB and USPAT Databases
    
    July 28, 2014
| Latest Release of New STN Now
    Available, Expands Global Patent Coverage and
    Enhances Search Capabilities
    
    June 30, 2014
| CHEMCATS on STN Enhanced with
    New Search and Display Fields and More Frequent
    Updates


View or sign-up for STN News e-Newsletter

STN Training

Training Events

    January 20, 2015
    9:00 am EDT
    Retrouver des informations sur le statut légal
    des brevets sur STN (in French)


    January 22, 2015
    9:00 am EDT
    Search Strategies at the Interface of Chemistry
    and Biology: Immunoconjugates


    January 27, 2015
    1:00 pm EDT
    Search Strategies at the Interface of Chemistry
    and Biology: Immunoconjugates


    Register for all of the training classes here.
          

STN Support