What types of information do Notes provide in CPC schemes?

Notes in CPC schemes provide various types of crucial information for patent classification. According to MPEP 905.01(a)(2):

“Notes may be used to explain the scope, define terminology, or indicate specific classification rules.”

This means Notes can offer:

• Scope Explanation: Clarifying the extent and limitations of a particular classification
• Terminology Definitions: Providing precise meanings for terms used within the classification
• Classification Rules: Outlining specific guidelines for categorizing inventions within the scheme

These informational elements help ensure consistency and accuracy in patent classification across different technological fields.

To learn more:

• CPC Notes Content
• Patent Classification Information
• CPC Terminology