How do CPC scheme warnings affect patent searches?
CPC scheme warnings can significantly impact patent searches by alerting researchers to potential classification discrepancies and changes. The MPEP 905.01(a)(3) indicates that warnings can provide information on:
“…deviations from IPC or incomplete classification… IPC groups not included within CPC and the CPC group which covers the relevant subject matter… deletion or transferring of CPC groups and reclassification notices.”
This information helps researchers:
- Identify potential gaps in CPC coverage
- Understand where to look for related art in IPC
- Stay informed about recent classification changes
- Ensure comprehensive searches across both CPC and IPC systems
By paying attention to these warnings, patent searchers can conduct more thorough and accurate prior art searches.
To learn more: