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Classification Resources

Classification
Revision & Reclassification

CPC
Compilation of Changes Consolidate Revision Concordance List (RCL) List of Deleted Symbols Notice of Changes Notice of Editorial Corrections Active CPC Revision Projects CPC Revision Pre-releases Published Revision Projects
IPC
Revision & Reclassification Project Status
USPC
Classification Orders
Locarno
Revision & Reclassification Project Status
General Training

CPC
CPC Training Guide to CPC
IPC
Guide to IPC Guidelines for revision and for use of the IPC FAQ Strasbourg Agreement
USPC
Examiner Handbook Handbook of Classification
Locarno
About Locarno Classification FAQ Locarno Agreement
Additional Resources

CPC
CPC Scheme
IPC
IPC Scheme
USPC
Class Titles Index to USPC
Locarno
Locarno Classification
Other
Espacenet Patent Search JPO Classification system – File Index (FI) and F-terms WIPO Standards on Industrial Property Information and Documentation
Contacts
Classification Standards and Development Contacts

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