| Utility: Optical fiber characterization measurement systems and methods Filling date: 5 Sep 2025 Issue date: 14 Dec 2021 | 15 May 2019 | 14 Dec 2021 |
| Utility: Systems and methods for sideline processing in a Virtual Network Function Filling date: 5 Sep 2025 Issue date: 9 Dec 2021 | 26 Aug 2021 | 9 Dec 2021 |
| Utility: Cooling multiple high-density network pluggable optical modules using a shared heat exchanger Filling date: 5 Sep 2025 Issue date: 9 Dec 2021 | 23 Aug 2021 | 9 Dec 2021 |
| Utility: Action Recommendation Engine (ARE) of a closed-loop Machine Learning (ML) system for controlling a network Filling date: 5 Sep 2025 Issue date: 9 Dec 2021 | 4 Jun 2020 | 9 Dec 2021 |
| Utility: High resolution analog to digital converter with factoring and background clock calibration Filling date: 5 Sep 2025 Issue date: 7 Dec 2021 | 22 Jan 2021 | 7 Dec 2021 |
| Utility: Apparatus and methods for low power clock generation in multi-channel high speed devices Filling date: 5 Sep 2025 Issue date: 7 Dec 2021 | 2 Dec 2020 | 7 Dec 2021 |
| Utility: Extending the optical spectrum of an optical network Filling date: 5 Sep 2025 Issue date: 7 Dec 2021 | 28 Oct 2020 | 7 Dec 2021 |
| Utility: Constraint-based event-driven telemetry Filling date: 5 Sep 2025 Issue date: 2 Dec 2021 | 16 Aug 2021 | 2 Dec 2021 |
| Utility: Logical to physical link mapping in a fiber optic network Filling date: 5 Sep 2025 Issue date: 2 Dec 2021 | 11 Aug 2021 | 2 Dec 2021 |
| Utility: Universal sub slot architecture for networking modules Filling date: 5 Sep 2025 Issue date: 25 Nov 2021 | 30 Jul 2021 | 25 Nov 2021 |
| Utility: OpenFEC error marking Filling date: 5 Sep 2025 Issue date: 23 Nov 2021 | 13 Jan 2021 | 23 Nov 2021 |
| Utility: EVPN signaling using segment routing Filling date: 5 Sep 2025 Issue date: 23 Nov 2021 | 8 May 2020 | 23 Nov 2021 |
| Utility: Self-optimizing fabric architecture and self-assembling network Filling date: 5 Sep 2025 Issue date: 23 Nov 2021 | 15 Apr 2020 | 23 Nov 2021 |
| Utility: Learning alarm and PM threshold values in network elements based on actual operating conditions Filling date: 5 Sep 2025 Issue date: 23 Nov 2021 | 11 Nov 2019 | 23 Nov 2021 |
| Utility: High-density network element cooling via unequipped pluggable optical module cages Filling date: 5 Sep 2025 Issue date: 23 Nov 2021 | 1 Nov 2019 | 23 Nov 2021 |
| Utility: HIGH RESOLUTION ANALOG TO DIGITAL CONVERTER WITH FACTORING AND BACKGROUND CLOCK CALIBRATION Filling date: 5 Sep 2025 Issue date: 18 Nov 2021 | 22 Jan 2021 | 18 Nov 2021 |
| Utility: Systems and methods for creating and activating a license Filling date: 5 Sep 2025 Issue date: 18 Nov 2021 | 14 May 2020 | 18 Nov 2021 |
| Utility: Distributed precision time protocol transparent clock Filling date: 5 Sep 2025 Issue date: 16 Nov 2021 | 21 Feb 2020 | 16 Nov 2021 |
| Utility: DiffServ Traffic Engineering compliant backup paths for Fast Reroute protection in MPLS Filling date: 5 Sep 2025 Issue date: 11 Nov 2021 | 19 Jul 2021 | 11 Nov 2021 |
| Utility: Legacy Time Division Multiplexing (TDM) service support in a packet network and on a packet network element Filling date: 5 Sep 2025 Issue date: 11 Nov 2021 | 19 Jul 2021 | 11 Nov 2021 |
| Utility: Opportunistic network defragmentation and optimization Filling date: 5 Sep 2025 Issue date: 11 Nov 2021 | 19 Jul 2021 | 11 Nov 2021 |
| Utility: NG-VPLS E-tree signaling using Segment Routing Filling date: 5 Sep 2025 Issue date: 11 Nov 2021 | 31 Aug 2020 | 11 Nov 2021 |
| Utility: EVPN signaling using Segment Routing Filling date: 5 Sep 2025 Issue date: 11 Nov 2021 | 8 May 2020 | 11 Nov 2021 |
| Utility: Constraint-based event-driven telemetry Filling date: 5 Sep 2025 Issue date: 9 Nov 2021 | 30 Jan 2020 | 9 Nov 2021 |
| Utility: Congestion drop decisions in packet queues Filling date: 5 Sep 2025 Issue date: 9 Nov 2021 | 3 Sep 2019 | 9 Nov 2021 |
| Utility: Normalizing messaging flows in a microservice architecture Filling date: 5 Sep 2025 Issue date: 9 Nov 2021 | 9 Aug 2019 | 9 Nov 2021 |
| Utility: Digital-to-analog converter and generation of high-bandwidth analog signals Filling date: 5 Sep 2025 Issue date: 9 Nov 2021 | 23 May 2019 | 9 Nov 2021 |
| Utility: Flow and application based processor scheduling for network functions virtualization applications using flow identification based on logical calculations on frame based fields Filling date: 5 Sep 2025 Issue date: 9 Nov 2021 | 21 Dec 2017 | 9 Nov 2021 |
| Utility: Spring-type latch for securing a networking module within a slot of a chassis Filling date: 5 Sep 2025 Issue date: 2 Nov 2021 | 21 Oct 2019 | 2 Nov 2021 |
| Utility: Populating capacity-limited forwarding tables in routers to maintain loop-free routing Filling date: 5 Sep 2025 Issue date: 28 Oct 2021 | 28 Apr 2020 | 28 Oct 2021 |
| Utility: Virtualized sections for sectional control of optical links Filling date: 5 Sep 2025 Issue date: 21 Oct 2021 | 1 Jul 2021 | 21 Oct 2021 |
| Utility: Optimal software load delivery systems and methods to network elements Filling date: 5 Sep 2025 Issue date: 21 Oct 2021 | 28 May 2020 | 21 Oct 2021 |
| Utility: Congruent bidirectional Segment Routing tunnels Filling date: 5 Sep 2025 Issue date: 21 Oct 2021 | 21 Apr 2020 | 21 Oct 2021 |
| Utility: Autonomic resource partitions for adaptive networks Filling date: 5 Sep 2025 Issue date: 19 Oct 2021 | 18 Jan 2019 | 19 Oct 2021 |
| Utility: APPARATUS AND METHODS FOR HIGH FREQUENCY CLOCK GENERATION Filling date: 5 Sep 2025 Issue date: 7 Oct 2021 | 16 Dec 2020 | 7 Oct 2021 |
| Utility: In-situ fiber characterization using nonlinear skirt measurement Filling date: 5 Sep 2025 Issue date: 5 Oct 2021 | 27 Mar 2019 | 5 Oct 2021 |
| Utility: Forecasting routines utilizing a mixer to combine Deep Neural Network (DNN) forecasts of multi-variate time-series datasets Filling date: 5 Sep 2025 Issue date: 30 Sep 2021 | 30 Mar 2020 | 30 Sep 2021 |
| Utility: Measurement of crosstalk Filling date: 5 Sep 2025 Issue date: 28 Sep 2021 | 24 Apr 2020 | 28 Sep 2021 |
| Utility: Utilizing images to evaluate the status of a network system Filling date: 5 Sep 2025 Issue date: 21 Sep 2021 | 5 May 2020 | 21 Sep 2021 |
| Utility: Reinforcement learning for autonomous telecommunications networks Filling date: 5 Sep 2025 Issue date: 21 Sep 2021 | 9 Nov 2018 | 21 Sep 2021 |
| Utility: Systems and methods for sideline processing in a virtual network function Filling date: 5 Sep 2025 Issue date: 21 Sep 2021 | 30 Jul 2018 | 21 Sep 2021 |
| Utility: Routing tables for forwarding packets between switches in a data center network Filling date: 5 Sep 2025 Issue date: 14 Sep 2021 | 18 Oct 2019 | 14 Sep 2021 |
| Utility: Data path retention during control plane failures in a multiprotocol label switching network Filling date: 5 Sep 2025 Issue date: 14 Sep 2021 | 15 Oct 2018 | 14 Sep 2021 |
| Utility: Automatic optical link calibration with channel holders Filling date: 5 Sep 2025 Issue date: 9 Sep 2021 | 10 May 2021 | 9 Sep 2021 |
| Utility: TCM control for physical layer on OTU ports Filling date: 5 Sep 2025 Issue date: 9 Sep 2021 | 4 Mar 2020 | 9 Sep 2021 |
| Utility: Cooling multiple high-density network pluggable optical modules using a shared heat exchanger Filling date: 5 Sep 2025 Issue date: 7 Sep 2021 | 1 Nov 2019 | 7 Sep 2021 |
| Utility: Silicon photonics modulator using TM mode and with a modified rib geometry Filling date: 5 Sep 2025 Issue date: 2 Sep 2021 | 14 May 2021 | 2 Sep 2021 |
| Utility: APPARATUS AND METHODS FOR DIGITAL FRACTIONAL PHASE LOCKED LOOP WITH A CURRENT MODE LOW PASS FILTER Filling date: 5 Sep 2025 Issue date: 2 Sep 2021 | 23 Nov 2020 | 2 Sep 2021 |
| Utility: Reducing connection validation (CV) time in an optical node Filling date: 5 Sep 2025 Issue date: 31 Aug 2021 | 30 Sep 2020 | 31 Aug 2021 |
| Utility: Incorporating a generic associated channel (G-ACh) header and channel-type for connectivity fault management (CFM) packets over multi-protocol label switching (MPLS) Filling date: 5 Sep 2025 Issue date: 31 Aug 2021 | 23 Mar 2020 | 31 Aug 2021 |
