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IPC Main Group
H04L 69/00

Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass

Introduced: January 2022

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

Additional Content

Network security protocols Wireless communication networks

13 direct subcodes

Child Classifications

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  • H04L 69/04 Protocols for data compression, e.g. ROHC
  • H04L 69/06 Notations for structuring of protocol data, e.g. abstract syntax notation one [ASN.1]
  • H04L 69/1 Streamlined, light-weight or high-speed protocols, e.g. express transfer protocol [XTP] or byte stream
  • H04L 69/12 Protocol engines
  • H04L 69/14 Multichannel or multilink protocols
  • H04L 69/18 Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
  • H04L 69/22 Parsing or analysis of headers
  • H04L 69/24 Negotiation of communication capabilities
  • H04L 69/28 Timers or timing mechanisms used in protocols
  • H04L 69/4 for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection

Top Applicants

Top 10 applicants by patent filingsfor 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