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 organizations rely on STN to answer business critical questions and make informed decisions.


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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STN News - What's New on STN

    July/August, 2016 | Incorporate PatentPak in STN 
    into your Chemical Name Search Workflow
    May/June, 2016 | PIUG Highlights and Export to Excel
    now in New STN
    March/April, 2016
| CHEMLIST Updated with
    Regulation Information from Vermont

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STN Training

Training Events
        Polymers, Oligomers, and Oligosaccharides in
            November 29, 2016, 1 p.m. ET

        Substance and Chemical Structure Searching in
        CAS REGISTRY on New STN

            December 14, 2016, 1 p.m. ET
Click here to Register

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