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PCE
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DIFF Subgroup
H04L 65/1053

IP private branch exchange [PBX] functionality entities or arrangements (circuit switched PBXs H04M3/00)

Introduced: January 2022

Title

Titles differ between systems:

IPC: IP private branch exchange [PBX] functionality entities or arrangements

CPC: IP private branch exchange [PBX] functionality entities or arrangements (circuit switched PBXs H04M3/00)

Full Title

Full titles differ between systems:

IPC:

Network arrangements, protocols or services for supporting real-time applications in data packet communication > Architectures or entities > IP private branch exchange [PBX] functionality entities or arrangements

CPC:

Network arrangements, protocols or services for supporting real-time applications in data packet communication (real-time or near real-time messaging, e.g. instant messaging [IM] H04L51/04; selective video distribution H04N21/00) > Architectures or entities > IP private branch exchange [PBX] functionality entities or arrangements (circuit switched PBXs H04M3/00)

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

IPC defines codes here since 2022.

Child Classifications

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  • H04L 65/1055 Single-site since 2022 IPC+CPC Available in IPC and CPC
  • H04L 65/1056 Multi-site since 2022 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327

Top Applicants (CPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498