H04L 45/50
Routing or path finding of packets in data switching networks: using label
Official title: using label swapping, e.g. multi-protocol label switch [MPLS]
H04L45/50 (Routing or path finding of packets in data switching networks: using label) appears on 3,783 US grants and 4,029 published applications in this corpus.
Search patents in H04L- Granted patents
- 3,783
- Published applications
- 4,029
- Assignees
- 515
- Inventors
- 4,958
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 17 |
| 2002 | 18 | 79 |
| 2003 | 32 | 130 |
| 2004 | 31 | 99 |
| 2005 | 44 | 123 |
| 2006 | 96 | 138 |
| 2007 | 66 | 157 |
| 2008 | 107 | 173 |
| 2009 | 119 | 146 |
| 2010 | 216 | 146 |
| 2011 | 188 | 129 |
| 2012 | 149 | 162 |
| 2013 | 163 | 151 |
| 2014 | 185 | 181 |
| 2015 | 200 | 193 |
| 2016 | 223 | 219 |
| 2017 | 191 | 167 |
| 2018 | 169 | 171 |
| 2019 | 232 | 185 |
| 2020 | 234 | 242 |
| 2021 | 197 | 257 |
| 2022 | 256 | 220 |
| 2023 | 212 | 214 |
| 2024 | 195 | 149 |
| 2025 | 159 | 123 |
| 2026 | 93 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Slice information verification method and apparatus6 Oct 2026US 12,756,660 B2Zte Corporation
- Interworking between variable capacity optical layer and Ethernet/IP/MPLS layer6 Oct 2026US 12,756,961 B2Ciena Corporation
- Hybrid cloud cellular network routing6 Oct 2026US 12,757,032 B2Boost SubcsriberCo L.L.C.
- Method and system of overlay flow control29 Sep 2026US 12,750,290 B2VeloCloud Networks, LLC
- System and method of discovering and validating different network action hardware capabilities22 Sep 2026US 12,744,721 B2Cisco Technology, Inc.
- Method and apparatus to reduce user overhead and optimize topology change handling during control plane restarts1 Oct 2026US 2026/0303509 A1Ciena Corporation
- Secure Virtual Private Mobile and IP Network in Cloud24 Sep 2026US 2026/0291865 A1Telnyx LLC
- Pim proxy over evpn fabric17 Sep 2026US 2026/0281049 A1Cisco Technology, Inc.
- Enterprise slicing leveraging same upf instance10 Sep 2026US 2026/0270196 A1Boost SubscriberCo L.L.C.
- Unique Identifier for Reverse Path Forwarding with Multicast VPNs3 Sep 2026US 2026/0261509 A1Ciena Corporation
Most cited
By later US patents
- Applying services within MPLS networks584US 7,948,986 B1Juniper Networks, Inc. · 2011
- Software defined network controller402US 9,450,817 B1Juniper Networks, Inc. · 2016
- Peer-model support for virtual private networks with potentially overlapping addresses395US 6,339,595 B12002
- Service-specific forwarding in an LDP-RSVP hybrid network381US 7,826,482 B1Juniper Networks, Inc. · 2010
- System and method to provision MPLS/VPN network357US 7,450,598 B2AT&T Intellectual Property I, L. P. · 2008