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Accuracy, Precision, Currency and Power. Search professionals trust STN® for quality content and advanced search functionality.

Trusted and relied upon by patent offices and IP professionals worldwide, STN is the premier single source for the world's disclosed scientific and technical research. It is the only platform with complete CAS content, Derwent World Patents Index® (DWPISM) and the INPADOC family of databases. The STN family of products combines industry-leading search and retrieval with unique and comprehensive content.

STN Family of Products

The STN family of products offers several product interfaces and evaluation tools to meet the needs of information professionals worldwide.  When your research project requires the most precise and accurate scientific information, you can rely on STN.

STN Operations

STN is operated jointly by CAS and FIZ Karlsruhe worldwide and is represented in Japan by JAICI, whose network of knowledgeable STN representatives and agents delivers world-class customer support and training.

New STN Platform

The new STN platform is being designed and developed to turn the needs and priorities of today's patent experts into a state-of-the-art search and analysis system that works the way users do.  Read more>>


Want to Learn More About STN?

If you need more information about STN products or services or you are ready to get started with STN, complete this short form and an STN Representative will contact you.


STNews - What's New on STN

    June 30, 2014 | CHEMCATS on STN Enhanced with
    New Search and Display Fields and More Frequent
    May 28, 2014
    Improves Search Capabilities and Results Ranking
    May 19, 2014 | Availability of Digital Object Identifiers
    (DOIs) Enhanced in STN Databases

View or sign-up for STNews e-Newsletter

STN Events


    July 29, 2014
    1:00 pm EDT
    Tips for Searching Chemical Names on STN

    August 14, 2014
    9:00 am EDT
    Numeric Property Search (NPS) in Non-Patent
    Literature (NPL) on STN

    August 19, 2014
    2:00 pm EDT
    Numeric Property Search (NPS) in Non-Patent
    Literature (NPL) on STN

    August 26, 2014
    1:00 pm EDT
    10 STN Tips Every Patent Searcher Should Know

    Register for all of the training classes here.

Contact Us

E-mail   Phone & Fax   800-753-4227 (North America)
    614-447-3700 (Worldwide)
    614-447-3751 (Fax)