Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G10L 15/19

Grammatical context, e.g. disambiguation of the recognition hypotheses based on word sequence rules

Introduced: January 2013

Title

Titles differ between systems:

IPC: Grammatical context, e.g. disambiguation of recognition hypotheses based on word sequence rules

CPC: Grammatical context, e.g. disambiguation of the recognition hypotheses based on word sequence rules

Full Title

Full titles differ between systems:

IPC:

Speech recognition > Speech classification or search > using natural language modelling > using context dependencies, e.g. language models > Grammatical context, e.g. disambiguation of recognition hypotheses based on word sequence rules

CPC:

Speech recognition (G10L17/00 takes precedence) > Speech classification or search > using natural language modelling > using context dependencies, e.g. language models > Grammatical context, e.g. disambiguation of the recognition hypotheses based on word sequence rules

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2013.

Child Classifications

Navigate with arrow keys, Enter to open

  • G10L 15/193 Formal grammars, e.g. finite state automata, context free grammars or word networks since 2013 IPC+CPC Available in IPC and CPC
  • G10L 15/197 Probabilistic grammars, e.g. word n-grams since 2013 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 5,218
  2. GOOGLE US 4,644
  3. FRAUNHOFER DE 4,601
  4. SONY CORPORATION JP 2,380
  5. HUAWEI TECHNOLOGIES COMPANY CN 2,179
  6. YAMAHA CORPORATION 2,120
  7. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 1,974
  8. MICROSOFT TECHNOLOGY LICENSING US 1,916
  9. AMAZON TECHNOLOGIES US 1,866
  10. DOLBY LABORATORIES LICENSING CORPORATION US 1,843

Top Applicants (CPC)

Class G10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 6,277
  2. GOOGLE US 5,429
  3. FRAUNHOFER DE 4,984
  4. SONY CORPORATION JP 2,808
  5. HUAWEI TECHNOLOGIES COMPANY CN 2,577
  6. MICROSOFT TECHNOLOGY LICENSING US 2,382
  7. DOLBY LABORATORIES LICENSING CORPORATION US 2,123
  8. QUALCOMM US 2,117
  9. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,049
  10. AMAZON TECHNOLOGIES US 1,924