How is the Manual of Classification for the USPC structured?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 10 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. The Manual of Classification for the USPC system is structured into several parts, as outlined in MPEP 902.01 : Overview of the U.S. Patent Classification System Classes Within the U.S. Classification System Arranged by Related Subject Matter Classes Arranged by Art Unit (CAAU) Classes Arranged Numerically With Art Unit and Search Room Locations (CAN) Classes Arranged in Alphabetical Order (CAA) Class Schedules Each part serves a specific purpose in organizing and accessing patent classification information. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Manual of Classification for USPC System Parts Required MPEP 902.01 Recommended Manual of Classification for USPC System Contains Class and Subclass Titles MPEP 902.01 Manual for U.S. Patent Classification System Is Maintained Electronically MPEP 902.01 Manual of Classification No Longer Updated After December 31, 2014 MPEP 902.01 Manual for US Patent Classification System Available to Personnel MPEP 902.01 List of Classifications by Number and Art Unit MPEP 902.01 Permitted Each Class Has Descriptive Title and Subclasses MPEP 902.01 Classification Orders Affect Existing Definitions MPEP 902.02 Recommended Examiner Definitions Must Be Updated Periodically MPEP 902.02 Recommended Classification Orders Available Online for USPTO Personnel MPEP 902.02 Other Related FAQs 5 FAQs Collapse What is the U.S. Patent Classification System (USPC)? Is the U.S. Patent Classification System still being updated? How are classes and subclasses identified in the USPC? How can patent examiners access the Classification Home Page? How can I access the Cooperative Patent Classification (CPC) system?