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Increase your patent family database expertise
Expand your knowledge of two important patent family databases with these two resources!
- Patent Files Quick Comparison chart – provides a detailed comparison of content, patent families, country coverage and most important database search fields for INPADOC/Family & Legal Status (File 345) and Derwent World Patents Index® (File 351)
- Deciphering Worldwide Patent Families in Derwent World Patents Index and INPADOC webinar (May 20) : compares and contrasts the methods used in Derwent WPI and INPADOC to build patent families. It is intended for novice searchers who want to learn the basics of searching for patent information using Dialog or for more experienced searchers seeking a refresher. This 60-minute session covers:
- How patent families are built in Derwent WPI (File 351) and INPADOC (File 345)
- Comparing Files 351 and 345 for country coverage and patent data available
- Deciphering Country Codes, Publication Kind Codes and Legal Status Codes
- Distinguishing national and regional versus international patent applications
- Sources for finding the full text of patent documents
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