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provided by FIZ Karlsruhe

New on STN

October 2019

INPADOC with more current and complete Japanese legal status information

October 2019

Third 2019 update to Emtree(TM) now available on STN(R)

October 2019

New CAS FORMULATIONS TM Database Launched on STNext

Meet us at

IP-Service World, 25.-26. Nov, Munich

STN User Meetings

Tel Aviv, 18.11.2019
Vienna, 20.11.2019
Madrid, 03.12.2019

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fold faq What are STN’s Hours of Operation?

STN databases are available during the following time period (all times given in U.S. Eastern Time).


  • Sunday from 01:00 (1:00 AM) to Saturday 22:00 (10:00 PM)
  • On the first Saturday of each month, STN is only available until 17:00 (5:00 PM)
fold faq Change between STN Express and STN on the Web after "Log off hold"

You can only continue a session using the interface with which it was started (STN Express, STN on the Web, STN Easy). This means it is not possible to change, for example,  from STN Express to STN on the Web or vice versa after a “Log off hold”.

fold faq What is STN Easy and how can I use it?

STN Easy is our Web-based service, providing point-and-click World Wide Web access to selected databases on STN International. More details.

fold faq How can I subscribe to STN Easy?

For searching STN databases using STN Easy you need to sign a contract with STN International. Complete this form instead, print it out and send it after signing by mail or fax to FIZ Karlsruhe Customer Service. They are also at your disposal for any technical and administrative questions (access to STN, prices, documentation etc.). If you are employed with a university or a college, please send an e-mail to service(at)fiz-karlsruhe(dot)de to know more about the various Academic Programs offering discount rates for specific databases of  STN International.

For more information view our Terms and Conditions.

fold faq What type of WWW Browser do I need to run STN Easy?

Please follow this page to find out what browser do you need to run STN Easy?