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DIFF Subgroup
H04L 65/10

Architectures or entities

Introduced: January 2022

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

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

Of 8 combined children, 7 exist in both systems.

1 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2022.

Child Classifications

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  • H04L 65/1013 CPC only CPC only
  • H04L 65/1016 IP multimedia subsystem [IMS] since 2022 IPC+CPC Available in IPC and CPC
  • H04L 65/1045 Proxies, e.g. for session initiation protocol [SIP] since 2022 IPC+CPC Available in IPC and CPC
  • H04L 65/1046 Call controllers; Call servers since 2022 IPC+CPC Available in IPC and CPC
  • H04L 65/1059 End-user terminal functionalities specially adapted for real-time communication since 2022 IPC+CPC Available in IPC and CPC
  • H04L 65/1063 Application servers providing network services (systems providing special services to telephonic subscribers H04M3/42) 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