Standards for wireless communication networks

Filing statistics

CPC H04T 2001/00 belongs to the parent subclass H04T, which recorded 75 patent applications worldwide between 2013 and 2023. Annual filings declined from 24 in 2013 to 1 in 2023 (-96%). 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

19 direct subcodes

Child Classifications

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H04T 2001/101 Radio Resources
H04T 2001/103 Core Network Resources
H04T 2001/105 Network/Interface/Protocol Extensions
H04T 2001/107 Overlay Network Resources
H04T 2001/109 Codecs
H04T 2001/111 Terminal
H04T 2001/113 SIM, USIM
H04T 2001/201 Physical layer functions
H04T 2001/203 Traffic; Transport
H04T 2001/205 Signalling; Control
H04T 2001/207 Mobility
H04T 2001/209 Applications
H04T 2001/211 Testing and Conformance
H04T 2001/213 Planning
H04T 2001/215 Billing; Accounting; Charging
H04T 2001/217 Configuration and Fault Management; Operation and Maintenance
H04T 2001/219 Interworking
H04T 2001/221 Security
H04T 2001/231 Architecture; Topology; Principles; Requirements

Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

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