| Utility: Apparatus and methods for digital phase locked loop with analog proportional control function Filling date: 5 Sep 2025 Issue date: 18 May 2021 | 13 Jul 2020 | 18 May 2021 |
| Utility: Asymmetric heat pipe coupled to a heat sink Filling date: 5 Sep 2025 Issue date: 18 May 2021 | 27 Feb 2018 | 18 May 2021 |
| Utility: High-density network element cooling via unequipped pluggable optical module cages Filling date: 5 Sep 2025 Issue date: 6 May 2021 | 1 Nov 2019 | 6 May 2021 |
| Utility: Cooling multiple high-density network pluggable optical modules using a shared heat exchanger Filling date: 5 Sep 2025 Issue date: 6 May 2021 | 1 Nov 2019 | 6 May 2021 |
| Utility: Apparatus and Method for Driving an Optical Modulator with Independent Modulator Arm Bias Filling date: 5 Sep 2025 Issue date: 29 Apr 2021 | 5 Jan 2021 | 29 Apr 2021 |
| Utility: Automatic remote node turn-up procedure using a raman amplifier on a stretched fiber span Filling date: 5 Sep 2025 Issue date: 27 Apr 2021 | 24 May 2020 | 27 Apr 2021 |
| Utility: Traffic engineering attribute for avoiding packet paths with signal degrade Filling date: 5 Sep 2025 Issue date: 27 Apr 2021 | 3 Jan 2019 | 27 Apr 2021 |
| Utility: Permitted network risks in diverse route determinations Filling date: 5 Sep 2025 Issue date: 22 Apr 2021 | 22 Oct 2019 | 22 Apr 2021 |
| Utility: Spring-type latch for securing a networking module within a slot of a chassis Filling date: 5 Sep 2025 Issue date: 22 Apr 2021 | 21 Oct 2019 | 22 Apr 2021 |
| Utility: Routing tables for forwarding packets between switches in a data center network Filling date: 5 Sep 2025 Issue date: 22 Apr 2021 | 18 Oct 2019 | 22 Apr 2021 |
| Utility: Graph views and models for representing networks and associated inventory Filling date: 5 Sep 2025 Issue date: 22 Apr 2021 | 16 Oct 2019 | 22 Apr 2021 |
| Utility: Handling compensation for losses in optical fiber links Filling date: 5 Sep 2025 Issue date: 20 Apr 2021 | 13 Aug 2020 | 20 Apr 2021 |
| Utility: Estimating clock phase error based on channel conditions Filling date: 5 Sep 2025 Issue date: 20 Apr 2021 | 3 Mar 2020 | 20 Apr 2021 |
| Utility: Silicon-based modulator with different transition zone thicknesses Filling date: 5 Sep 2025 Issue date: 20 Apr 2021 | 29 Oct 2019 | 20 Apr 2021 |
| Utility: Generic non-client specific protection via TCM status and enhanced OTN network propagation of client faults Filling date: 5 Sep 2025 Issue date: 20 Apr 2021 | 17 Jun 2019 | 20 Apr 2021 |
| Utility: Weighted random early detection improvements to absorb microbursts Filling date: 5 Sep 2025 Issue date: 20 Apr 2021 | 10 Apr 2019 | 20 Apr 2021 |
| Utility: Hardened optical platform with pluggable optics Filling date: 5 Sep 2025 Issue date: 20 Apr 2021 | 20 Sep 2018 | 20 Apr 2021 |
| Utility: Liquid cooling high-density pluggable modules for a network element Filling date: 5 Sep 2025 Issue date: 15 Apr 2021 | 15 Oct 2020 | 15 Apr 2021 |
| Utility: Apparatus and Methods for Digital Phase Locked Loop with Analog Proportional Control Function Filling date: 5 Sep 2025 Issue date: 15 Apr 2021 | 13 Jul 2020 | 15 Apr 2021 |
| Utility: Label Switched Path (LSP) protection across multiple domains of a Segment Routing (SR) network Filling date: 5 Sep 2025 Issue date: 15 Apr 2021 | 21 Nov 2019 | 15 Apr 2021 |
| Utility: Thermal Control System with Passive Thermostatic Actuators for Passive Thermal Management of Pluggable Optics in an Optical Telecom Platform Filling date: 5 Sep 2025 Issue date: 15 Apr 2021 | 15 Oct 2019 | 15 Apr 2021 |
| Utility: Successive approximation register analog to digital converter based phase-locked loop with programmable range Filling date: 5 Sep 2025 Issue date: 13 Apr 2021 | 26 Oct 2020 | 13 Apr 2021 |
| Utility: Optical protection devices having passive splitter/couplers and built-in interrupters Filling date: 5 Sep 2025 Issue date: 13 Apr 2021 | 31 Mar 2020 | 13 Apr 2021 |
| Utility: Adaptive network slicing via overlaying decomposition and inheritance Filling date: 5 Sep 2025 Issue date: 8 Apr 2021 | 8 Oct 2019 | 8 Apr 2021 |
| Utility: Spread weave induced skew minimization Filling date: 5 Sep 2025 Issue date: 6 Apr 2021 | 2 Aug 2019 | 6 Apr 2021 |
| Utility: Pre-populating media access control (MAC) address tables in networks where flooding of MAC addresses is blocked Filling date: 5 Sep 2025 Issue date: 6 Apr 2021 | 28 Nov 2018 | 6 Apr 2021 |
| Utility: Data structures representing models of networking equipment and methods of network management employing thereof Filling date: 5 Sep 2025 Issue date: 6 Apr 2021 | 11 May 2018 | 6 Apr 2021 |
| Utility: Learning Alarm and PM threshold values in network elements based on actual operating conditions Filling date: 5 Sep 2025 Issue date: 1 Apr 2021 | 11 Nov 2019 | 1 Apr 2021 |
| Utility: Optimizing Border Gateway Protocol (BGP) traffic using Reinforcement Learning Filling date: 5 Sep 2025 Issue date: 1 Apr 2021 | 30 Sep 2019 | 1 Apr 2021 |
| Utility: High bandwidth under-sampled successive approximation register analog to digital converter with nonlinearity minimization Filling date: 5 Sep 2025 Issue date: 30 Mar 2021 | 12 Jun 2020 | 30 Mar 2021 |
| Utility: Handling band spectrum failures in a C+L band photonic line system Filling date: 5 Sep 2025 Issue date: 30 Mar 2021 | 6 Jan 2020 | 30 Mar 2021 |
| Utility: Registering collaborative configuration changes of a network element in a blockchain ledger Filling date: 5 Sep 2025 Issue date: 30 Mar 2021 | 8 Mar 2019 | 30 Mar 2021 |
| Utility: Unsupervised outlier detection in time-series data Filling date: 5 Sep 2025 Issue date: 25 Mar 2021 | 14 Aug 2019 | 25 Mar 2021 |
| Utility: Scalable OSPF configuration for managing optical networks Filling date: 5 Sep 2025 Issue date: 23 Mar 2021 | 12 Jun 2020 | 23 Mar 2021 |
| Utility: Management of flexible grid and supercarriers in optical networks using a data model Filling date: 5 Sep 2025 Issue date: 23 Mar 2021 | 12 Sep 2019 | 23 Mar 2021 |
| Utility: Managing mode transfer in asymmetric waveguide coupling structures Filling date: 5 Sep 2025 Issue date: 23 Mar 2021 | 15 Jul 2019 | 23 Mar 2021 |
| Utility: Short-term optical recovery systems and methods for coherent optical receivers Filling date: 5 Sep 2025 Issue date: 23 Mar 2021 | 3 Aug 2015 | 23 Mar 2021 |
| Utility: Flexible grid optical spectrum transmitter, receiver, and transceiver Filling date: 5 Sep 2025 Issue date: 18 Mar 2021 | 30 Nov 2020 | 18 Mar 2021 |
| Utility: Flexible grid optical spectrum transmitter, receiver, and transceiver Filling date: 5 Sep 2025 Issue date: 18 Mar 2021 | 30 Nov 2020 | 18 Mar 2021 |
| Utility: Variable Spectral Efficiency Optical Modulation Schemes Filling date: 5 Sep 2025 Issue date: 18 Mar 2021 | 31 Jul 2020 | 18 Mar 2021 |
| Utility: SECONDARY SIDE HEATSINK TECHNIQUES FOR OPTICAL AND ELECTRICAL MODULES Filling date: 5 Sep 2025 Issue date: 18 Mar 2021 | 16 Sep 2019 | 18 Mar 2021 |
| Utility: End-to-end data path integrity validation at layer 2 Filling date: 5 Sep 2025 Issue date: 16 Mar 2021 | 9 Jan 2018 | 16 Mar 2021 |
| Utility: Optimized virtual network function service chaining with hardware acceleration Filling date: 5 Sep 2025 Issue date: 16 Mar 2021 | 22 Jun 2016 | 16 Mar 2021 |
| Utility: Partial survivability for multi-carrier and multi-module optical interfaces Filling date: 5 Sep 2025 Issue date: 11 Mar 2021 | 3 Nov 2020 | 11 Mar 2021 |
| Utility: Packet order recovery in a programmable edge switch in a data center network Filling date: 5 Sep 2025 Issue date: 11 Mar 2021 | 10 Sep 2019 | 11 Mar 2021 |
| Utility: Flexible Ethernet over wireless links Filling date: 5 Sep 2025 Issue date: 11 Mar 2021 | 5 Sep 2019 | 11 Mar 2021 |
| Utility: Managing a distributed microservice architecture as a monolithic distribution Filling date: 5 Sep 2025 Issue date: 11 Mar 2021 | 5 Sep 2019 | 11 Mar 2021 |
| Utility: Apparatus and methods for characterization of high frequency and high data rate signals Filling date: 5 Sep 2025 Issue date: 2 Mar 2021 | 18 Mar 2020 | 2 Mar 2021 |
| Utility: Pluggable optical module thermal management and heat shield assemblies, devices, and methods Filling date: 5 Sep 2025 Issue date: 2 Mar 2021 | 15 Oct 2019 | 2 Mar 2021 |
| Utility: Secondary side heatsink techniques for optical and electrical modules Filling date: 5 Sep 2025 Issue date: 2 Mar 2021 | 16 Sep 2019 | 2 Mar 2021 |