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February 2020

New legal event data from Croatia, Italy, and Poland in INPADOCDB and INPAFAMDB

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

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Key Terms support efficient full-text searching and results evaluation in Patent Full-text Databases

18. February 2019

Key Terms are provided in a new search and display field in patent full-text databases.They are extracted with linguistic and statistical methods from all English text fields. Key Terms are useful to broaden search scope more precisely than Basic Index searches and enhance retrieval of relevant results. At the same time Key Terms make the evaluation of results more efficient.
 
Currently Key Terms are available in AUPATFULL, CANPATFULL, FRFULL, GBFULL, INFULL, JPFULL, and PCTFULL. The feature will be added to further patent full-text databases later this year.

For more details, enter HELP KEY at an arrow prompt when in one of the full-text databases listed above.