| Utility: Automatic optical link calibration with channel holders Filling date: 5 Sep 2025 Issue date: 28 Jan 2020 | 13 Nov 2018 | 28 Jan 2020 |
| Utility: Scaling operations, administration, and maintenance sessions in packet networks Filling date: 5 Sep 2025 Issue date: 23 Jan 2020 | 30 Sep 2019 | 23 Jan 2020 |
| Utility: Spread weave induced skew minimization Filling date: 5 Sep 2025 Issue date: 23 Jan 2020 | 2 Aug 2019 | 23 Jan 2020 |
| Utility: Systems and methods for compensating coherent optics delay asymmetry in a packet optical network Filling date: 5 Sep 2025 Issue date: 23 Jan 2020 | 23 Jul 2018 | 23 Jan 2020 |
| Utility: Multi-fiber interface automatic power reduction systems and methods Filling date: 5 Sep 2025 Issue date: 21 Jan 2020 | 26 Mar 2019 | 21 Jan 2020 |
| Utility: Dynamic reservation protocol for 5G network slicing Filling date: 5 Sep 2025 Issue date: 21 Jan 2020 | 29 May 2018 | 21 Jan 2020 |
| Utility: Segment routing traffic engineering based on link utilization Filling date: 5 Sep 2025 Issue date: 21 Jan 2020 | 5 Feb 2018 | 21 Jan 2020 |
| Utility: Logical control seams in optical networks to improve restoration speed or timing for capacity adds Filling date: 5 Sep 2025 Issue date: 14 Jan 2020 | 23 Jan 2019 | 14 Jan 2020 |
| Utility: Service synchronization in retain home path scenarios in a control plane network Filling date: 5 Sep 2025 Issue date: 14 Jan 2020 | 10 Sep 2018 | 14 Jan 2020 |
| Utility: Systems and methods to signal Auto Facility Bypass Tunnel Generation Indication and Backup Reselection Request for Fast Reroute capable downstream routers in MPLS Filling date: 5 Sep 2025 Issue date: 9 Jan 2020 | 21 Aug 2018 | 9 Jan 2020 |
| Utility: METHOD TO DISCOVER AND CONTROL AN AMPLIFIER'S AUTOMATIC GAIN CONTROL (AGC) LOOP BANDWIDTH Filling date: 5 Sep 2025 Issue date: 9 Jan 2020 | 5 Jul 2018 | 9 Jan 2020 |
| Utility: Management of flexible grid and supercarriers in optical networks using a data model Filling date: 5 Sep 2025 Issue date: 2 Jan 2020 | 12 Sep 2019 | 2 Jan 2020 |
| Utility: Upgradeable colorless, directionless, and contentionless optical architectures Filling date: 5 Sep 2025 Issue date: 2 Jan 2020 | 11 Sep 2019 | 2 Jan 2020 |
| Utility: Frontplane communication network between multiple pluggable modules on a single faceplate Filling date: 5 Sep 2025 Issue date: 2 Jan 2020 | 9 Sep 2019 | 2 Jan 2020 |
| Utility: Flexible Ethernet switching systems and methods Filling date: 5 Sep 2025 Issue date: 2 Jan 2020 | 9 Sep 2019 | 2 Jan 2020 |
| Utility: Printed circuit boards and methods for manufacturing thereof for RF connectivity between electro-optic phase modulator and Digital Signal Processor Filling date: 5 Sep 2025 Issue date: 2 Jan 2020 | 29 Jun 2018 | 2 Jan 2020 |
| Utility: Systems and methods for error-free reconstruction of transmitted symbols in a coherent receiver Filling date: 5 Sep 2025 Issue date: 31 Dec 2019 | 18 Dec 2017 | 31 Dec 2019 |
| Utility: PHOTODETECTOR CIRCUIT WITH IMPROVED SATURATION CURRENT AND INTEGRATED OPTICAL FILTERING Filling date: 5 Sep 2025 Issue date: 26 Dec 2019 | 22 Jun 2018 | 26 Dec 2019 |
| Utility: High-order phase tracking loop with segmented proportional and integral controls Filling date: 5 Sep 2025 Issue date: 24 Dec 2019 | 27 Feb 2019 | 24 Dec 2019 |
| Utility: Systems and methods for tracking, predicting, and mitigating advanced persistent threats in networks Filling date: 5 Sep 2025 Issue date: 19 Dec 2019 | 27 Aug 2019 | 19 Dec 2019 |
| Utility: Methods and assemblies for using electrostriction to characterize properties of optical fiber Filling date: 5 Sep 2025 Issue date: 19 Dec 2019 | 27 Aug 2019 | 19 Dec 2019 |
| Utility: Spot-size converter for optical mode conversion and coupling between two waveguides Filling date: 5 Sep 2025 Issue date: 19 Dec 2019 | 2 Aug 2019 | 19 Dec 2019 |
| Utility: Systems and methods to increase capacity in optical networks based on excess margin Filling date: 5 Sep 2025 Issue date: 19 Dec 2019 | 4 Dec 2018 | 19 Dec 2019 |
| Utility: Flexible routing in a fiber tray for use in a fiber optic assembly Filling date: 5 Sep 2025 Issue date: 17 Dec 2019 | 8 Feb 2018 | 17 Dec 2019 |
| Utility: Path computation in multi-layer networks Filling date: 5 Sep 2025 Issue date: 17 Dec 2019 | 25 Nov 2015 | 17 Dec 2019 |
| Utility: Pattern detection in time-series data Filling date: 5 Sep 2025 Issue date: 12 Dec 2019 | 4 Jun 2019 | 12 Dec 2019 |
| Utility: Methods and Systems preventing Make Before Break failures during soft preemption in MPLS Filling date: 5 Sep 2025 Issue date: 12 Dec 2019 | 23 Jul 2018 | 12 Dec 2019 |
| Utility: Hierarchical encapsulation acceleration Filling date: 5 Sep 2025 Issue date: 10 Dec 2019 | 10 May 2017 | 10 Dec 2019 |
| Utility: Power management for network device line modules Filling date: 5 Sep 2025 Issue date: 10 Dec 2019 | 28 Apr 2017 | 10 Dec 2019 |
| Utility: Dynamic reservation protocol for 5G network slicing Filling date: 5 Sep 2025 Issue date: 5 Dec 2019 | 29 May 2018 | 5 Dec 2019 |
| Utility: OTN adaptation for support of subrate granularity and flexibility and for distribution across multiple modem engines Filling date: 5 Sep 2025 Issue date: 3 Dec 2019 | 21 Sep 2018 | 3 Dec 2019 |
| Utility: Systems and methods for coordinating layer 1 and layer 2 protection switching techniques for efficient layer 2 traffic recovery Filling date: 5 Sep 2025 Issue date: 26 Nov 2019 | 24 Sep 2018 | 26 Nov 2019 |
| Utility: Virtualized sections for sectional control of optical links Filling date: 5 Sep 2025 Issue date: 26 Nov 2019 | 29 Sep 2017 | 26 Nov 2019 |
| Utility: Traffic-adaptive network control systems and methods Filling date: 5 Sep 2025 Issue date: 26 Nov 2019 | 8 Feb 2016 | 26 Nov 2019 |
| Utility: Systems and methods for mesh restoration in networks due to intra-node faults Filling date: 5 Sep 2025 Issue date: 21 Nov 2019 | 21 May 2018 | 21 Nov 2019 |
| Utility: Coordinated and scheduled standards-based intervals in network elements Filling date: 5 Sep 2025 Issue date: 19 Nov 2019 | 3 Jan 2018 | 19 Nov 2019 |
| Utility: Flexible Ethernet Operations, Administration, and Maintenance systems and methods Filling date: 5 Sep 2025 Issue date: 14 Nov 2019 | 25 Jul 2019 | 14 Nov 2019 |
| Utility: Data structures representing models of networking equipment and methods of network management employing thereof Filling date: 5 Sep 2025 Issue date: 14 Nov 2019 | 11 May 2018 | 14 Nov 2019 |
| Utility: CIRCUIT COMMUNICATION SYSTEMS WITH DIGITAL STATE DEVICES Filling date: 5 Sep 2025 Issue date: 14 Nov 2019 | 10 May 2018 | 14 Nov 2019 |
| Utility: Adaptive communication network with cross-point switches Filling date: 5 Sep 2025 Issue date: 12 Nov 2019 | 11 Dec 2017 | 12 Nov 2019 |
| Utility: Scaling operations, administration, and maintenance sessions in packet networks Filling date: 5 Sep 2025 Issue date: 12 Nov 2019 | 5 Apr 2017 | 12 Nov 2019 |
| Utility: Zero touch provisioning of a network element through a Network Address Translation gateway Filling date: 5 Sep 2025 Issue date: 7 Nov 2019 | 2 May 2018 | 7 Nov 2019 |
| Utility: Flexible grid optical spectrum transmitter, receiver, and transceiver Filling date: 5 Sep 2025 Issue date: 29 Oct 2019 | 20 Jan 2017 | 29 Oct 2019 |
| Utility: Adaptive optical modem configuration based on operating conditions Filling date: 5 Sep 2025 Issue date: 24 Oct 2019 | 4 Jun 2019 | 24 Oct 2019 |
| Utility: Multipath selection in an Ethernet fabric in a modular network element Filling date: 5 Sep 2025 Issue date: 24 Oct 2019 | 23 Apr 2018 | 24 Oct 2019 |
| Utility: Modular network element architecture Filling date: 5 Sep 2025 Issue date: 24 Oct 2019 | 23 Apr 2018 | 24 Oct 2019 |
| Utility: Scalable management plane for a modular network element Filling date: 5 Sep 2025 Issue date: 24 Oct 2019 | 23 Apr 2018 | 24 Oct 2019 |
| Utility: Management of flexible grid and supercarriers in optical networks using a data model Filling date: 5 Sep 2025 Issue date: 22 Oct 2019 | 30 Nov 2018 | 22 Oct 2019 |
| Utility: Channel pre-combining in colorless, directionless, and contentionless optical architectures Filling date: 5 Sep 2025 Issue date: 22 Oct 2019 | 26 Jan 2018 | 22 Oct 2019 |
| Utility: Methods and assemblies for using electrostriction to characterize properties of optical fiber Filling date: 5 Sep 2025 Issue date: 15 Oct 2019 | 1 Dec 2017 | 15 Oct 2019 |
