| Utility: Virtual programming in a microservice architecture Filling date: 6 Sep 2025 Issue date: 11 Feb 2021 | 9 Aug 2019 | 11 Feb 2021 |
| Utility: Normalizing messaging flows in a microservice architecture Filling date: 6 Sep 2025 Issue date: 11 Feb 2021 | 9 Aug 2019 | 11 Feb 2021 |
| Utility: Retaining active Operations, Administration, and Maintenance (OAM) sessions across multiple devices operating as a single logical device Filling date: 6 Sep 2025 Issue date: 4 Feb 2021 | 2 Aug 2019 | 4 Feb 2021 |
| Utility: Identifying and locating a root cause of issues in a network having a known topology Filling date: 6 Sep 2025 Issue date: 28 Jan 2021 | 23 Jul 2020 | 28 Jan 2021 |
| Utility: Congestion drop decisions in packet queues Filling date: 6 Sep 2025 Issue date: 21 Jan 2021 | 3 Sep 2019 | 21 Jan 2021 |
| Utility: Free-carrier absorption variable optical attenuators and thermal phase shifters formed by an optical waveguide having multiple passes in an intrinsic region Filling date: 6 Sep 2025 Issue date: 21 Jan 2021 | 19 Jul 2019 | 21 Jan 2021 |
| Utility: Managing Mode Transfer in Asymmetric Waveguide Coupling Structures Filling date: 6 Sep 2025 Issue date: 21 Jan 2021 | 15 Jul 2019 | 21 Jan 2021 |
| Utility: Built-in jitter loading and state of polarization generation to characterize optical transceivers Filling date: 6 Sep 2025 Issue date: 31 Dec 2020 | 10 Sep 2020 | 31 Dec 2020 |
| Utility: Distributing timing over Metro Transport Networking Filling date: 6 Sep 2025 Issue date: 31 Dec 2020 | 27 Jun 2019 | 31 Dec 2020 |
| Utility: Generic non-client specific protection via TCM status and enhanced OTN network propagation of client faults Filling date: 6 Sep 2025 Issue date: 17 Dec 2020 | 17 Jun 2019 | 17 Dec 2020 |
| Utility: Systems and methods for precise time synchronization with optical modules Filling date: 6 Sep 2025 Issue date: 17 Dec 2020 | 18 Jan 2019 | 17 Dec 2020 |
| Utility: Unsupervised outlier detection in time-series data Filling date: 6 Sep 2025 Issue date: 10 Dec 2020 | 14 Aug 2019 | 10 Dec 2020 |
| Utility: Semiconductor device with Selective Area Epitaxy growth utilizing a mask to suppress or enhance growth at the edges Filling date: 6 Sep 2025 Issue date: 3 Dec 2020 | 28 May 2020 | 3 Dec 2020 |
| Utility: Monolithically Integrated Gain Element Filling date: 6 Sep 2025 Issue date: 3 Dec 2020 | 28 May 2019 | 3 Dec 2020 |
| Utility: Optical time-domain reflectometer interoperable trunk switch Filling date: 6 Sep 2025 Issue date: 26 Nov 2020 | 14 Aug 2020 | 26 Nov 2020 |
| Utility: Systems and methods for intelligent routing and content placement in information centric networks Filling date: 6 Sep 2025 Issue date: 26 Nov 2020 | 31 Jul 2020 | 26 Nov 2020 |
| Utility: Optical modulator robust to fabrication errors through an RF electrical crossing Filling date: 6 Sep 2025 Issue date: 19 Nov 2020 | 31 Jul 2020 | 19 Nov 2020 |
| Utility: Segment Routing Traffic Engineering based on link utilization Filling date: 6 Sep 2025 Issue date: 19 Nov 2020 | 24 Jan 2019 | 19 Nov 2020 |
| Utility: Pseudowire and Label Switched Path grouping to achieve scale in protection switching Filling date: 6 Sep 2025 Issue date: 12 Nov 2020 | 24 Jun 2019 | 12 Nov 2020 |
| Utility: FlexE frame format using 256b/257b block encoding Filling date: 6 Sep 2025 Issue date: 12 Nov 2020 | 10 May 2019 | 12 Nov 2020 |
| Utility: Integrated polarimeter in an optical line system Filling date: 6 Sep 2025 Issue date: 5 Nov 2020 | 17 Jul 2020 | 5 Nov 2020 |
| Utility: Selecting where to process data associated with Internet of Things (IoT) devices Filling date: 6 Sep 2025 Issue date: 5 Nov 2020 | 1 May 2019 | 5 Nov 2020 |
| Utility: Built-in jitter loading and state of polarization generation to characterize optical transceivers Filling date: 6 Sep 2025 Issue date: 29 Oct 2020 | 23 Apr 2019 | 29 Oct 2020 |
| Utility: Universal sub slot architecture for networking modules Filling date: 6 Sep 2025 Issue date: 29 Oct 2020 | 23 Apr 2019 | 29 Oct 2020 |
| Utility: Self-optimizing fabric architecture and self-assembling network Filling date: 6 Sep 2025 Issue date: 22 Oct 2020 | 15 Apr 2020 | 22 Oct 2020 |
| Utility: Enhancement to the IS-IS protocol for eliminating unwanted network traffic Filling date: 6 Sep 2025 Issue date: 8 Oct 2020 | 15 May 2019 | 8 Oct 2020 |
| Utility: Hybrid control and cooling module with independently removable cooling section for a network device Filling date: 6 Sep 2025 Issue date: 1 Oct 2020 | 17 Jun 2020 | 1 Oct 2020 |
| Utility: Multi-fiber interface automatic power reduction systems and methods Filling date: 6 Sep 2025 Issue date: 1 Oct 2020 | 11 Dec 2019 | 1 Oct 2020 |
| Utility: Pseudo Frequency Division Multiplexing Filling date: 6 Sep 2025 Issue date: 1 Oct 2020 | 2 Sep 2019 | 1 Oct 2020 |
| Utility: In-situ fiber characterization using nonlinear skirt measurement Filling date: 6 Sep 2025 Issue date: 1 Oct 2020 | 27 Mar 2019 | 1 Oct 2020 |
| Utility: Printed circuit boards and methods for manufacturing thereof for RF connectivity between electro-optic phase modulator and Digital Signal Processor Filling date: 6 Sep 2025 Issue date: 24 Sep 2020 | 2 Jun 2020 | 24 Sep 2020 |
| Utility: Dimensional Transformation in Optical Communication Filling date: 6 Sep 2025 Issue date: 24 Sep 2020 | 21 May 2019 | 24 Sep 2020 |
| Utility: Systems and methods to detect, locate, and switch based on signal degrade on Multi-Segment Pseudowires Filling date: 6 Sep 2025 Issue date: 24 Sep 2020 | 30 Apr 2019 | 24 Sep 2020 |
| Utility: Registering collaborative configuration changes of a network element in a blockchain ledger Filling date: 6 Sep 2025 Issue date: 10 Sep 2020 | 8 Mar 2019 | 10 Sep 2020 |
| Utility: High-order phase tracking loop with segmented proportional and integral controls Filling date: 6 Sep 2025 Issue date: 27 Aug 2020 | 23 Dec 2019 | 27 Aug 2020 |
| Utility: Pluggable optical module thermal management and heat shield assemblies, devices, and methods Filling date: 6 Sep 2025 Issue date: 27 Aug 2020 | 15 Oct 2019 | 27 Aug 2020 |
| Utility: Weighted random early detection improvements to absorb microbursts Filling date: 6 Sep 2025 Issue date: 27 Aug 2020 | 10 Apr 2019 | 27 Aug 2020 |
| Utility: Detection of node isolation in subtended Ethernet ring topologies Filling date: 6 Sep 2025 Issue date: 27 Aug 2020 | 10 Apr 2019 | 27 Aug 2020 |
| Utility: Pluggable optical module thermal management and heat shield assemblies, devices, and methods Filling date: 6 Sep 2025 Issue date: 27 Aug 2020 | 27 Feb 2019 | 27 Aug 2020 |
| Utility: Systems and methods for proactive network operations Filling date: 6 Sep 2025 Issue date: 13 Aug 2020 | 7 Aug 2019 | 13 Aug 2020 |
| Utility: Safeguarding Artificial Intelligence-based network control Filling date: 6 Sep 2025 Issue date: 13 Aug 2020 | 8 Feb 2019 | 13 Aug 2020 |
| Utility: HEATSINK FOR PLUGGABLE OPTICAL DEVICES FOR THE PREVENTION OF HEATSINK CLIP DEFORMATION Filling date: 6 Sep 2025 Issue date: 13 Aug 2020 | 8 Feb 2019 | 13 Aug 2020 |
| Utility: Time transfer systems and methods over a stream of Ethernet blocks Filling date: 6 Sep 2025 Issue date: 6 Aug 2020 | 22 Apr 2020 | 6 Aug 2020 |
| Utility: Systems and methods for transaction models and declaration configuration in a distributed architecture Filling date: 6 Sep 2025 Issue date: 6 Aug 2020 | 5 Feb 2019 | 6 Aug 2020 |
| Utility: Coherent optical modem with method to discover and control an amplifier's automatic gain control (AGC) loop bandwidth Filling date: 6 Sep 2025 Issue date: 23 Jul 2020 | 8 Apr 2020 | 23 Jul 2020 |
| Utility: Hybrid control and cooling module with independently removable cooling section for a network device Filling date: 6 Sep 2025 Issue date: 23 Jul 2020 | 23 Jan 2019 | 23 Jul 2020 |
| Utility: FPGA-based virtual fabric for data center computing Filling date: 6 Sep 2025 Issue date: 23 Jul 2020 | 17 Jan 2019 | 23 Jul 2020 |
| Utility: System for loading fiber optic transport systems for channel additions and deletions Filling date: 6 Sep 2025 Issue date: 16 Jul 2020 | 1 Apr 2020 | 16 Jul 2020 |
| Utility: OTN adaptation for support of subrate granularity and flexibility and for distribution across multiple modem engines Filling date: 6 Sep 2025 Issue date: 16 Jul 2020 | 3 Dec 2019 | 16 Jul 2020 |
| Utility: Optical switch with path continuity monitoring for optical protection switching Filling date: 6 Sep 2025 Issue date: 16 Jul 2020 | 16 Jan 2019 | 16 Jul 2020 |
