appears_in: []
depends_on: []
deprecated: false
description: The Cooperative Patent Classification (CPC) is a patent classification
  system, developed jointly by the European Patent Office (EPO) and the United States
  Patent and Trademark Office (USPTO). It is based on the previous European classification
  system (ECLA), which itself was a version of the International Patent Classification
  (IPC) system. The CPC patent classification system has been used by EPO and USPTO
  since 1st January, 2013.
example: A01M1/026
homepage: https://worldwide.espacenet.com/classification
keywords:
- atmospheric science
- earth science
- geodesy
- geography
- hydrogeology
- meteorology
mappings:
  biocontext: CPC
  fairsharing: FAIRsharing.e08886
  miriam: cpc
  n2t: cpc
name: Cooperative Patent Classification
namespace_in_lui: false
pattern: ^([A-H,Y]|[A-H, Y]\d{2}|[A-H, Y]\d{2}[A-Z]|[A-H, Y]\d{2}[A-Z]\d{1,3}|[A-H,
  Y]\d{2}[A-Z]\d{1,3}(\/)?\d{2,})$
preferred_prefix: cpc
prefix: cpc
providers: []
publications: []
synonyms: []
uri_format: https://worldwide.espacenet.com/classification?locale=en_EP#!/CPC=$1
