LATEST UPDATES

 

These tables provide accurate details of the patents covered in Derwent World Patents Index

In the DWPI Coverage tables, the latest publication date is provided for each kind of patent included in that update. This does not necessarily include all documents for that publication date: some may have been included in earlier updates, and some may appear in future updates.

The DWPI and First View Combined Coverage ceased at Update 201040 when the First View database was retired.


Please note that there may be a slight delay between DWPI update and posting on this page.

Additional update information

Loading dates for DWPI Updates, 1994 to present

    DWPI Primary Accession Numbers from 2008

    More about expansion of the DWPI PAN format from 2008 onwards.

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