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provided by FIZ Karlsruhe

New on STN

February 2019

STN introduces Strong Passwords and Forgot Password Feature

February 2019

INPADOC/INPAFAM: Major enhancements for PCT entry into national phase data

January 2019

The 2019 Version of MEDLINE Now Available on STN®

Meet us at

PIUG 2019 Biotechnology Conference,
19. - 20. Feb, Cambridge, MA
PATENTE 2019, 25. - 26. Feb, Munich
IC-SDV 2019 The Meeting,
08. - 09. Apr, Nice

STN User Meetings

Frankfurt, 07.05.2019
München, 15.05.2019
Essen, 09.10.2019

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Requirements for STN Express®

Hardware Support


  • Microsoft® Windows® compatible PC
  • Minimum: Pentium® 4 (2.4 GHz)
  • Recommended: Intel compatible multi-core processor (2.0+ GHz preferred)

Memory (Minimum)

  • 512 MB RAM or recommended minimum for your operating system if higher
  • 768 MB RAM to use CAS Registry BLAST, Analyze Plus or post-processing tools
  • 2+ GB RAM (recommended)

Available Hard Disk Space

  • 205+ MB
  • 190 MB required when installation includes CAS Registry BLAST and Merged Markush Service (MMS)
  • 15+ MB recommended for transcripts, tables, reports, etc.

Network Connections

  • Connection to STN requires either the telnet protocol through port 23 (standard Winsock connection) or the HTTPS protocol through port 443 (SSL/VPN connection)
  • Automatic updating of support files and access to online Help requires an HTTP application-level connection through port 80
  • Access to CAS REGISTRY BLAST requires an HTTPS application-level connection through port 443
  • Access to CAS Full Text Options requires either an HTTP application-level connection through port 80 or an HTTPS application-level connection through port 443 (based on user preference)
  • PatentPak™ Interactive Viewer requires either HTTP or HTTPS application-level connection through port 80 or 443

Software Support

Operating System and Web Browser

  • Microsoft Windows XP™ SP3, Vista®, Windows 7 (Windows 7 Starter version is not supported), Windows 8 or 8.1, Windows 10 (STN Express 8.6 only)
  • Microsoft Internet Explorer®, Version 9.0 or higher, or Mozilla® Firefox® Version 31 or ESR Version 24 or higher, Chrome 36 or higher. (Note: Chrome 45 or higher does not support Java) (Note: Older browser versions will support Full-text options but not PatentPak)
  • ActiveX®, Java™ and JavaScript™ must be enabled

Additional Software

  • Microsoft Excel® 2003, 2007 or 2010 for the Analyze Plus Wizard or CAS Registry Number® and Role Report Wizard
  • QuickTime 7 for viewing images in STN Express transcripts
  • Adobe Reader for viewing PDF outputs for tables, reports and transcripts