Overview of CPC(<Special feature>Considerations for patent classification)

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  • CPCについて(<特集>特許分類を考える)
  • CPCについて
  • CPC ニ ツイテ

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CPC (Cooperative Patent Classification) is the new classification system developed by USPTO and EPO, and has just introduced in this January. This article explains the overview of CPC such as the background of introducing new classification system, the relationship between CPC and ECLA, ICO, USPC etc. CPC has helped examiners and patent information users to search patents efficiency, on the other hand patent information users should not rely on CPC only in conducting patent searches because the detailed operation about CPC isn't revealed now.

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