What is the difference between supplementary notes and ‘See or Search’ notes in USPC definitions?
The United States Patent Classification (USPC) system includes two types of Definition Notes, as explained in MPEP 902.02(a): Supplementary notes: These “supplement definitions by explaining terms or giving examples.” They provide additional context and clarification for the class or subclass definition. ‘See or Search’ notes: These refer to “related disclosures located in other classes or…
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