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CPC Subgroup
H04L 67/14

Session management (for real-time applications in data packet communications networks H04L65/1066)

Full Title

Network arrangements or protocols for supporting network services or applications (user-to-user messaging H04L51/00; network arrangements, protocols or services for supporting real-time applications in data packet communications networks H04L65/00) > Session management (for real-time applications in data packet communications networks H04L65/1066)

Filing statistics

CPC H04L 67/14 belongs to the parent subclass H04L, which recorded 1,567,994 patent applications worldwide between 2013 and 2023. Annual filings grew from 97,627 in 2013 to 139,810 in 2023 (+43%), peaking at 168,964 applications in 2020. The most active applicants in class H04 are HUAWEI TECHNOLOGIES COMPANY (101,476 applications), QUALCOMM (101,139 applications) and SAMSUNG ELECTRONICS COMPANY (96,655 applications).

Source: EPO PATSTAT, worldwide filings

6 direct subcodes

Child Classifications

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  • H04L 67/141 Setup of application sessions (admission control or resource allocation in data switching networks H04L47/70)
  • H04L 67/142 Managing session states for stateless protocols; Signalling session states; State transitions; Keeping-state mechanisms
  • H04L 67/146 Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
  • H04L 67/147 Signalling methods or messages providing extensions to protocols defined by standardisation
  • H04L 67/148 Migration or transfer of sessions

Top Applicants

Top 10 applicants by patent filingsfor 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