- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 101/385 - Uniform resource identifier for session initiation protocol [SIP URI]
Patent holdings for IPC class H04L 101/385
Total number of patents in this class: 24
10-year publication summary
|
0
|
0
|
1
|
2
|
9
|
3
|
4
|
4
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ericsson | 22839 |
4 |
| AT&T Intellectual Property I, L.P. | 10003 |
3 |
| eBay Inc. | 3482 |
3 |
| T-Mobile USA, Inc. | 4507 |
3 |
| Samsung Electronics Co., Ltd. | 158337 |
2 |
| BlackBerry Limited | 4887 |
2 |
| Level 3 Communications, LLC | 1243 |
2 |
| Mutualink, Inc. | 82 |
2 |
| Global Tel*Link Corporation | 427 |
1 |
| Medici Land Governance, Inc. | 3 |
1 |
| Pulselink Systems LLC | 266 |
1 |
| Other owners | 0 |