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IPC Subgroup
H04L 69/16

Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]

Introduced: January 2022

Full Title

Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass > Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]

Classification Context

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

6 direct subcodes

Child Classifications

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  • H04L 69/163 In-band adaptation of TCP data exchange; In-band control procedures
  • H04L 69/164 Adaptation or special uses of UDP protocol
  • H04L 69/165 Combined use of TCP and UDP protocols; selection criteria therefor
  • H04L 69/166 IP fragmentation; TCP segmentation
  • H04L 69/167 Adaptation for transition between two IP versions, e.g. between IPv4 and IPv6
  • H04L 69/168 specially adapted for link layer protocols, e.g. asynchronous transfer mode [ATM], synchronous optical network [SONET] or point-to-point protocol [PPP]

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