- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 51/56 - Unified messaging, e.g. interactions between e-mail, instant messaging or converged IP messaging [CPM]
Patent holdings for IPC class H04L 51/56
Total number of patents in this class: 340
10-year publication summary
|
4
|
9
|
6
|
8
|
12
|
30
|
53
|
90
|
103
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| salesforce.com, inc. | 5003 |
32 |
| Microsoft Technology Licensing, LLC | 51439 |
13 |
| Google LLC | 38759 |
10 |
| Rembrandt Messaging Technologies, LP | 19 |
9 |
| Apple Inc. | 50209 |
7 |
| International Business Machines Corporation | 60644 |
7 |
| Snap Inc. | 4604 |
7 |
| Tigerconnect, Inc. | 46 |
6 |
| Research In Motion Limited | 2283 |
5 |
| Verizon Patent And Licensing Inc. | 6900 |
5 |
| PayPal, Inc. | 3804 |
5 |
| Dropbox, Inc. | 1374 |
5 |
| Disintermediation Services, Inc. | 10 |
5 |
| Global Tel*Link Corporation | 431 |
5 |
| Liveperson, Inc. | 363 |
5 |
| Seven Networks, LLC | 155 |
5 |
| Community.com, Inc. | 18 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Citrix Systems, Inc. | 3905 |
4 |
| 8x8, Inc. | 398 |
4 |
| Other owners | 192 |