What are the steps for identifying appropriate groups for classification in CPC?

The MPEP 905.03(b) outlines the general procedure for identifying appropriate groups for classification in the Cooperative Patent Classification (CPC) system: Identify appropriate subclasses: Review subclass titles for scope coverage Consult subclass notes, references, and definitions Repeat until a suitable subclass is verified Identify appropriate group(s): Identify candidate main groups Verify notes, references, and definitions don’t…

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How is the International Patent Classification (IPC) structured?

The International Patent Classification (IPC) is structured hierarchically, consisting of the following levels: Sections: Designated by capital letters A through H, representing broad fields of technology. Classes: Each section is divided into classes, represented by a two-digit number following the section letter. Subclasses: Classes are further divided into subclasses, represented by a capital letter following…

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What is the CPC classification system and how is it structured?

The Cooperative Patent Classification (CPC) system is a hierarchical arrangement of subject matter used for organizing and classifying patent documents. According to MPEP 905.01, the CPC structure consists of: Sections: The highest level, designated by capital letters A through H and Y. Classes: Subdivisions of sections, identified by a section letter followed by a two-digit…

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