What is the significance of Derwent World Patents Index in patent searches?

What is the significance of Derwent World Patents Index in patent searches?

The Derwent World Patents Index is a valuable resource for patent searches, as mentioned in MPEP 901.06(d):

“The DERWENT World Patents Index (WPI), and the Derwent World Patents Index (DWPI) since 2009, contain English abstracts of patent documents from 41 countries and two international searching authorities. The coverage includes English language equivalent abstracts of foreign language patent documents.”

This index is significant because:

  • It provides English abstracts for patents from multiple countries, making it easier to search and understand foreign patents.
  • It covers a wide range of countries and international searching authorities, offering comprehensive global patent information.
  • It helps patent examiners and researchers to quickly identify relevant prior art across different languages and jurisdictions.

Utilizing the Derwent World Patents Index can significantly enhance the effectiveness and efficiency of patent searches, especially for international or multi-language patent research.

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Tags: derwent world patents index, patent searches, prior art