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New on STN

May 2018

STN(R) Reflects Second Update to Emtree(R) Thesaurus for 2018

April 2018

CCI Now Searchable in CAS REGISTRY(SM)

February 2018

Chinese dual filings are now linked within DWPI families

Meet us at

CPAC - Patent Information Annual
Conference of China 2018,
30.-31. Aug, Beijing
CEPIUG 10th Year Anniversary Conference, 09.-11. Sep, Milano
Bund Deutscher Patentanwälte - Herbstseminar, 18.-19.Oct, Hamburg

STN User Meetings

Amsterdam, 27.09.2018
Milano, 10.10.2018
Hamburg, 24.10.2018

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Databases on STN International

Your connection to sci-tech and patent information - Unique CONTENT

IP professionals and patent examiners worldwide trust STN® to provide access to the most current and comprehensive collection of the world's disclosed patent and non-patent, scientific and technical content on one platform.

STN offers a breadth of premier resources from the world's most authoritative publishers in chemistry, biomedical, pharmaceutical, intellectual property and engineering disciplines.
STN provides access to the optimal versions of CAS-produced databases, including CAplusSM and CAS REGISTRYSM, in terms of content, timeliness, and updating.

STN sources include journal articles, chemical structures, patents, conference proceedings, dissertations, reactions, biological sequences, polymers and much more:

A world of patent information - STN's unparalleled offer

STN integrates the world’s largest and most important value-add and first level patent databases on one platform. Patent databases on STN are key information resources for determining patentability, state of the art, infringement, and the legal status of the patents. And: Only on STN you can search patent information from Clarivate Analytics, Chemical Abstracts Service, and the European Patent Office’s worldwide Patent Information Resource in one place: Derwent WPI, CAplus, and INPADOCDB/INPAFAMDB.
In addition to these key databases, STN also provides full-text patent databases from the European Patent Office (EPFULL), the United States Patent and Trademark Office (USPATFULL), the World Intellectual Property Organization (PCTFULL), and more.

Unsurpassed substance searching
With REGISTRY, STN provides the world’s most authoritative collection of disclosed substance information, principally from patents and journals, but also from other reliable sources such as chemical catalogs, substance inventories, and collections on the web. In addition, STN provides access to other key substance databases, including CASREACT®, GENESEQ™ (DGENE), USGENE®, MARPAT®, and the Derwent Chemistry Resource of the Derwent World Patents Index® – making STN the most comprehensive source for substance information.
To support substance content, STN also provides the most robust substance searching capabilities available, including structure, property, sequence, and chemical name searching. When you find your substance of interest, STN also allows you to easily locate related references in the literature.