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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G06F 40/20

Natural language analysis (semantic analysis of natural language G06F40/30)

Introduced: January 2020

Title

Titles differ between systems:

IPC: Natural language analysis

CPC: Natural language analysis (semantic analysis of natural language G06F40/30)

Full Title

Full titles differ between systems:

IPC:

Handling natural language data > Natural language analysis

CPC:

Handling natural language data (speech analysis or synthesis, speech recognition G10L) > Natural language analysis (semantic analysis of natural language G06F40/30)

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

IPC defines codes here since 2020.

Child Classifications

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  • G06F 40/232 Orthographic correction, e.g. spell checking or vowelisation since 2020 IPC+CPC Available in IPC and CPC
  • G06F 40/253 Grammatical analysis; Style critique since 2020 IPC+CPC Available in IPC and CPC
  • G06F 40/258 Heading extraction; Automatic titling; Numbering since 2020 IPC+CPC Available in IPC and CPC
  • G06F 40/263 Language identification since 2020 IPC+CPC Available in IPC and CPC
  • G06F 40/268 Morphological analysis since 2020 IPC+CPC Available in IPC and CPC
  • G06F 40/274 Converting codes to words; Guess-ahead of partial word inputs since 2020 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 66,669
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,313
  3. MICROSOFT TECHNOLOGY LICENSING US 41,918
  4. GOOGLE US 32,969
  5. SGCC(STATE GRID CORPORATION OF CHINA) 30,822
  6. INTEL CORPORATION US 30,010
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 28,235
  8. HUAWEI TECHNOLOGIES COMPANY CN 26,079
  9. APPLE US 21,891
  10. HUAWEI TECHNOLOGIES COMPANY 20,505

Top Applicants (CPC)

Class G06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 76,952
  2. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 62,841
  3. MICROSOFT TECHNOLOGY LICENSING US 44,778
  4. GOOGLE US 35,735
  5. INTEL CORPORATION US 32,087
  6. HUAWEI TECHNOLOGIES COMPANY CN 30,572
  7. TENCENT TECHNOLOGY (SHENZHEN) COMPANY 25,023
  8. APPLE US 23,482
  9. SGCC(STATE GRID CORPORATION OF CHINA) 22,548
  10. HUAWEI TECHNOLOGIES COMPANY 20,917