- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 51/212 - Monitoring or handling of messages using filtering or selective blocking
Patent holdings for IPC class H04L 51/212
Total number of patents in this class: 612
10-year publication summary
|
4
|
10
|
8
|
10
|
25
|
48
|
83
|
142
|
187
|
77
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| People.ai, Inc. | 125 |
33 |
| Microsoft Technology Licensing, LLC | 51439 |
24 |
| salesforce.com, inc. | 5003 |
21 |
| Darktrace Holdings Limited | 100 |
20 |
| BlackBerry Limited | 5958 |
12 |
| KnowBe4, Inc. | 226 |
12 |
| Abnormal Security Corporation | 59 |
12 |
| International Business Machines Corporation | 60644 |
11 |
| Snap Inc. | 4604 |
11 |
| Capital One Services, LLC. | 7551 |
11 |
| Proofpoint, Inc. | 318 |
11 |
| Apple Inc. | 50209 |
10 |
| Research In Motion Limited | 2283 |
9 |
| Rovi Guides, Inc. | 3236 |
9 |
| Bank of America Corporation | 6495 |
7 |
| Bitdefender IPR Management Ltd. | 330 |
7 |
| Yahoo Assets LLC | 1127 |
7 |
| Perftech, Inc. | 54 |
6 |
| Snowflake Inc. | 1179 |
6 |
| META Platforms, Inc. | 7514 |
6 |
| Other owners | 367 |