What information is available on the USPTO Classification Home Page?

The USPTO Classification Home Page provides a wealth of information for both examiners and the public. According to MPEP 902.03(b), the site includes:

• Index, schedules, and definitions
• Links to international information (CPC schedules, IPC Concordance, IPC Schedules, IPC Catchword Index)
• WIPO Handbook on Industrial Property Information and Documentation
• National (U.S.) information (Overview of the Classification System, Classification Guides and Bulletins)
• Patent Classification Search Page

The MPEP states, “Examiners and the public are provided with access to identical information for the Index, schedules, and definitions.” This ensures transparency and consistency in patent classification resources.

To learn more:

• USPTO
• Patent Classification
• International Classification
• CPC
• IPC
• WIPO