- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 51/21 - Monitoring or handling of messages
Patent holdings for IPC class H04L 51/21
Total number of patents in this class: 278
10-year publication summary
|
1
|
0
|
1
|
0
|
6
|
31
|
62
|
65
|
73
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 54242 |
12 |
| Snap Inc. | 6580 |
11 |
| Capital One Services, LLC. | 9730 |
11 |
| Atlassian Pty Ltd | 819 |
8 |
| Atlassian US, Inc. | 534 |
8 |
| Samsung Electronics Co., Ltd. | 153845 |
6 |
| Twilio, Inc. | 631 |
6 |
| Goldman Sachs Bank USA, AS Collateral Agent | 199 |
6 |
| Beijing Zitiao Network Technology Co., Ltd. | 5953 |
6 |
| International Business Machines Corporation | 62220 |
5 |
| salesforce.com, inc. | 5899 |
5 |
| Tencent Technology (Shenzhen) Company Limited | 15643 |
5 |
| Yahoo Assets LLC | 1174 |
5 |
| Apple Inc. | 58074 |
4 |
| Bank of America Corporation | 8185 |
4 |
| Vivo Mobile Communication Co., Ltd. | 13285 |
4 |
| AT&T Intellectual Property I, L.P. | 9836 |
3 |
| Dell Products L.P. | 16388 |
3 |
| Google LLC | 43789 |
3 |
| Shopify Inc. | 852 |
3 |
| Other owners | 160 |