What are Notes in CPC schemes and how are they used?

Notes in CPC schemes are supplementary statements that provide additional information or clarification for classification places. According to the MPEP, “Notes are supplementary statements that follow a CPC class, subclass, main group, or subgroup title. Instruction in a “Note” is applied only to the CPC place where it appears, including all its hierarchically lower places.“…

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What are CPC Definitions and why are they important?

CPC Definitions are essential components of the Cooperative Patent Classification (CPC) system that provide clarity and guidance for patent classification. According to the MPEP 905.02, “CPC definitions, whether it is a subclass, main group, or subgroup definition, must adhere to the same definition template which defines the permissible elements and formatting.” These definitions are important…

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