World Patents

  • China State Intellectual Property Office of the P.R.C.
  • European Patent Office, holds data on 50 million patents from 71 countries worldwide. Publication coverage: 1836 - present .

Patent Classification

System based on IPC used by the EPO to classify patent documents. Consists of 130,000 subdivisions.

System used by most patent offices as a primary or secondary classification. Consists of 77,000 classifications.

Patent Offices

Last Update: 18 Jan 14:07 | Tagged with: patents intellectual property