- 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: 14
10-year publication summary
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0
|
0
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0
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0
|
1
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2
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8
|
1
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| BlackBerry Limited | 5958 |
2 |
| T-Mobile USA, Inc. | 3668 |
2 |
| AT&T Intellectual Property I, L.P. | 9886 |
1 |
| Ericsson | 20417 |
1 |
| eBay Inc. | 3298 |
1 |
| Avaya Inc. | 1529 |
1 |
| Global Tel*Link Corporation | 431 |
1 |
| Level 3 Communications, LLC | 1428 |
1 |
| Mutualink, Inc. | 97 |
1 |
| Medici Land Governance, Inc. | 3 |
1 |
| Other owners | 0 |