CPC Main Group
H04W 48/00 Access restriction (access security to prevent unauthorised access H04W12/08); Network selection; Access point selection
Filing statistics
CPC H04W 48/00 belongs to the parent subclass H04W, which recorded 1,157,773 patent applications worldwide between 2013 and 2023. Annual filings grew from 75,315 in 2013 to 102,049 in 2023 (+35%), peaking at 127,222 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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- H04W 48/02 Access restriction performed under specific conditions
- H04W 48/08 Access restriction or access information delivery, e.g. discovery data delivery (signalling during connection H04W76/00)
- H04W 48/16 Discovering, processing access restriction or access information
- H04W 48/18 Selecting a network or a communication service
- H04W 48/20 Selecting an access point
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