What types of information do Notes provide in CPC schemes?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 6 Rules 5 Related FAQs This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice. 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. Related Rules from the Manual of Patent Examining Procedure 6 rules Collapse Multipart Title Describes Separate Information Entities MPEP 905.01(a) Recommended Multipart Title Separated by Semicolon MPEP 905.01(a) Recommended Subclass Covers Refrigerators, Cold Rooms, Ice Boxes, and Other Cooling Devices MPEP 905.01(a) Recommended Types of Secrecy Orders for Patent Applications MPEP 120 Type II Secrecy Order for Patent Applications with Classified Data MPEP 120 Type I Secrecy Order for Patent Applications MPEP 120 Other Related FAQs 5 FAQs Collapse How does the hierarchical application of Notes work in CPC schemes? What is the difference between Notes at different levels of the CPC hierarchy? Why are Notes important in the CPC classification process? What are references in CPC titles and how do they affect classification? What other information can CPC scheme warnings provide?