Google Patents

Look up a Cooperative Patent Classification (CPC) symbol

Returns a CPC classification symbol's official title, its position in the classification tree (parent/child symbols), related symbols, and its full scope-note description. Accepts a symbol at any level, e.g. a section ("A"), a class ("A61"), a subclass ("A61K"), or a full group/subgroup ("A61K31/00"). Public data, sourced from Google Patents' own search API.

get/googlepatents/classification

Request

  • Base URL: https://api.crawlora.net/api/v1
  • URL: https://api.crawlora.net/api/v1/googlepatents/classification
  • Auth: API key in header x-api-key

Query parameters

codestring required

CPC classification symbol

Headers

x-api-keystring required

API key required

Response

OK

codeinteger
msgstring

Example response

{
  "code": 200,
  "data": {
    "code": "A61K31/00",
    "name": "A61K31/00 - Medicinal preparations containing organic active ingredients",
    "relations": [
      {
        "code": "A61",
        "name": "A61 - MEDICAL OR VETERINARY SCIENCE; HYGIENE"
      }
    ]
  },
  "msg": "OK"
}

Changes

No recorded changes to this operation across all 4 revisions of this API.