- All sections
- H - Electricity
- H04M - Telephonic communication
- H04M 3/527 - Centralised call answering arrangements not requiring operator intervention
Patent holdings for IPC class H04M 3/527
Total number of patents in this class: 226
10-year publication summary
|
31
|
26
|
27
|
28
|
20
|
16
|
26
|
21
|
16
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TapText, LLC | 73 |
23 |
| Google LLC | 44482 |
15 |
| Genesys Cloud Services, Inc., FORMERLY Genesys Telecommunications Laboratories, Inc. | 1107 |
14 |
| Microsoft Technology Licensing, LLC | 54466 |
6 |
| Pindrop Security, Inc. | 280 |
6 |
| Bank of America Corporation | 8418 |
5 |
| RingCentral, Inc. | 793 |
5 |
| Hithink Royalflush Information Network Co., Ltd. | 43 |
5 |
| Intellisist, Inc. | 21 |
5 |
| International Business Machines Corporation | 62634 |
4 |
| Vail Systems, Inc. | 28 |
4 |
| Gicrm AI LLC | 6 |
4 |
| AT&T Intellectual Property I, L.P. | 9995 |
3 |
| Huawei Technologies Co., Ltd. | 123385 |
3 |
| Verizon Patent And Licensing Inc. | 7560 |
3 |
| Amazon Technologies, Inc. | 28087 |
3 |
| 8x8, Inc. | 457 |
3 |
| CDW LLC | 234 |
3 |
| Mitel Networks Corporation | 236 |
3 |
| Open Invention Network, LLC | 193 |
3 |
| Other owners | 106 |