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May 2013

CABA has been reloaded on May 24, 2013

May 2013

Effective today, the list of CAS Roles has been streamlined to increase clarity and search efficiency

May 2013

Emtree Thesaurus Updated in Embase

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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.