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New on STN

March 2014

The latest release of the new STN platform, provides enhanced features and content that enable searchers to work more proficiently

February 2014

Access INFULL and DEFULL databases with STN Viewer

January 2014

DWPI: Latest Manual Code Revision goes live

Meet us at

PATINFO 2014- 36. Kolloquium der Technischen Universität Ilmenau über Patentinformation, Ilmenau, 04.-06. Jun

ICIC 2014, Heidelberg, 12.-14. Oct

STN User Meetings

Frankfurt, 06.05.2014
München, 13.05.2014
Essen, 22.05.2014

DWPI: US National Patent Classification thesaurus added

22. March 2010

US National Patent Classifications are being added to the DWPI database (files WPINDEX/WPIDS/WPIX) for some time already. Now a thesaurus is being made available to make navigating through the maze of codes easier. For available relationships see HELp RCO.

For further particulars please refer to our Help Desk.