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January 2020

Changes to Derwent WPI Update numbering and the total number of annual DWPI updates

December 2019

Derwent World Patents Index: Manual Code revision 2020

December 2019

New Korean Patent Full-Text Database KRFULL released

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IFI Updates Resume on STN

26. September 2011

Updates to the IFIPAT/IFIUDB/IFICDB databases have resumed.

The databases will be updated in chronological order beginning with the oldest update (April 28, 2011) and moving forward. The databases are expected to be current by November 2011.

SDI updates will also resume. We will be delivering separate SDI updates for April/May, June, July, August, September and October before returning to your regular scheduled frequencies in November 2011.

For the latest update information, type NEWS FILE at an arrow prompt within the IFI database of interest or contact your local STN Service Center.