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February 2018

Chinese dual filings are now linked within DWPI families

February 2018

First Emtree Thesaurus for 2018 Now Available in Embase

January 2018

The 2018 version of MEDLINE now available on STN

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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.