{ "description": "CPC code patterns used to filter Electric Vehicle (EV) related patents", "patterns": [ "^Y02T", "^B60L", "^B60K", "^B60W", "^H02J", "^H02P", "^H02K", "^H01M" ], "notes": "These patterns match CPC codes starting with the specified prefixes. Patents matching these patterns or keyword-based criteria are included in the dataset." }