Patent holdings for IPC class H04M 3/36

Total number of patents in this class: 202

10-year publication summary

17
24
25
19
10
13
9
9
3
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Somos, Inc.
117
27
West Technology Group, LLC
408
15
Level 3 Communications, LLC
1251
10
T-Mobile USA, Inc.
4491
9
Twilio, Inc.
651
8
AT&T Intellectual Property I, L.P.
9993
6
Genesys Cloud Services, Inc., FORMERLY Genesys Telecommunications Laboratories, Inc.
1107
6
Cisco Technology, Inc.
22491
5
Caastle Inc.
98
5
NEC Corporation
36934
4
ZTE Corporation
44159
4
CallFire, Inc.
47
4
Verizon Patent And Licensing Inc.
7555
3
Motorola Solutions, Inc.
4583
3
Uber Technologies, Inc.
1617
3
Tata Communications (America) Inc.
97
3
United Services Automobile Association (USAA)
3224
3
ZOOM International a.s.
20
3
Securus Technologies, LLC
282
3
British Telecommunications Public Limited Company
2600
2
Other owners 76