How can I access the Cooperative Patent Classification (CPC) system?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 4 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 Cooperative Patent Classification (CPC) system can be accessed through various online tools provided by the USPTO and EPO. According to MPEP 902 : “The CPC system and CPC definitions are available online from the USPTO’s website at https://www.uspto.gov/patents/search and from the EPO’s website at http://worldwide.espacenet.com/classification .” To access and utilize the CPC system: Visit the USPTO’s CPC webpage for detailed information and search tools Use the CPC scheme browser to navigate through classification symbols Explore CPC definitions for comprehensive explanations of each classification Utilize the CPC-to-IPC or IPC-to-CPC concordance for cross-referencing These resources are freely available and can be valuable tools for patent searchers, examiners, and applicants in understanding and applying the CPC system. Related Rules from the Manual of Patent Examining Procedure 4 rules Collapse Classification Orders Available Online for USPTO Personnel MPEP 902.02 Classification Home Page Must Be Accessible via Toolkit MPEP 902.02 Classification Orders Affect Existing Definitions MPEP 902.02 Recommended Examiner Definitions Must Be Updated Periodically MPEP 902.02 Recommended Other Related FAQs 5 FAQs Collapse How can patent examiners access the Classification Home Page? What automated search tools are available to patent examiners? How does the Cooperative Patent Classification (CPC) system work? What is the purpose of the Cooperative Patent Classification (CPC) system? What are Definition Notes in the USPC?