{
 "endpoint": "/api/v1/cpc_subclass/",
 "data_version": "20261027.2",
 "as_of": "2026-10-27",
 "routes": [
  "/api/v1/cpc_subclass/",
  "/api/v1/cpc_subclass/{pk}/"
 ],
 "aliases": [],
 "response_key": "cpc_subclasses",
 "default_f": [
  "cpc_subclass_id",
  "cpc_subclass_title",
  "cpc_class_id"
 ],
 "default_s": [
  {
   "cpc_subclass_id": "asc"
  }
 ],
 "default_o": {},
 "sortable_fields": [
  "cpc_subclass_id",
  "cpc_class_id",
  "cpc_subclass_first_seen_date",
  "cpc_subclass_last_seen_date",
  "cpc_subclass_years_active",
  "cpc_subclass_num_patents",
  "cpc_subclass_num_assignees",
  "cpc_subclass_num_inventors"
 ],
 "nested_groups": [],
 "q_required": false,
 "detail_key": "cpc_subclass_id",
 "in_this_build": false,
 "fields": [
  {
   "name": "cpc_subclass_id",
   "type": "string",
   "kind": "keyword"
  },
  {
   "name": "cpc_subclass_title",
   "type": "string",
   "kind": "text"
  },
  {
   "name": "cpc_class_id",
   "type": "string",
   "kind": "keyword"
  },
  {
   "name": "cpc_class",
   "type": "string (URL)",
   "kind": "keyword",
   "note": "Link to the detail record: https://patentref.io/api/v1/cpc_class/<id>/, with a \"/\" in the id written \":\"; null when the id is null. Kind: keyword: in q this name matches the id behind the link (for example \"H01\" for cpc_current.cpc_class), not the URL."
  },
  {
   "name": "cpc_subclass_first_seen_date",
   "type": "string",
   "kind": "date"
  },
  {
   "name": "cpc_subclass_last_seen_date",
   "type": "string",
   "kind": "date"
  },
  {
   "name": "cpc_subclass_years_active",
   "type": "integer",
   "kind": "number"
  },
  {
   "name": "cpc_subclass_num_patents",
   "type": "integer",
   "kind": "number"
  },
  {
   "name": "cpc_subclass_num_assignees",
   "type": "integer",
   "kind": "number"
  },
  {
   "name": "cpc_subclass_num_inventors",
   "type": "integer",
   "kind": "number"
  }
 ],
 "operation_id": "CPCSubClassList"
}