| Utility: Data network and execution environment replication for network automation and network applications Filling date: 5 Sep 2025 Issue date: 25 Aug 2020 | 21 Aug 2018 | 25 Aug 2020 |
| Utility: Dynamic licensing for applications and plugin framework for virtual network systems Filling date: 5 Sep 2025 Issue date: 25 Aug 2020 | 4 Jan 2018 | 25 Aug 2020 |
| Utility: High-order phase tracking loop with segmented proportional and integral controls Filling date: 5 Sep 2025 Issue date: 18 Aug 2020 | 23 Dec 2019 | 18 Aug 2020 |
| Utility: Subrating and multiplexing non-standard rates in ZR and ZR+ optical interfaces Filling date: 5 Sep 2025 Issue date: 18 Aug 2020 | 29 Jul 2019 | 18 Aug 2020 |
| Utility: Adaptive optical modem configuration based on operating conditions Filling date: 5 Sep 2025 Issue date: 18 Aug 2020 | 4 Jun 2019 | 18 Aug 2020 |
| Utility: Integrated polarimeter in an optical line system Filling date: 5 Sep 2025 Issue date: 18 Aug 2020 | 16 Nov 2018 | 18 Aug 2020 |
| Utility: Systems and methods for management of cloud exchanges Filling date: 5 Sep 2025 Issue date: 18 Aug 2020 | 17 Sep 2018 | 18 Aug 2020 |
| Utility: Systems and methods for proactive network operations Filling date: 5 Sep 2025 Issue date: 13 Aug 2020 | 7 Aug 2019 | 13 Aug 2020 |
| Utility: Safeguarding Artificial Intelligence-based network control Filling date: 5 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: 5 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: 5 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: 5 Sep 2025 Issue date: 6 Aug 2020 | 5 Feb 2019 | 6 Aug 2020 |
| Utility: Variable spectral efficiency optical modulation schemes Filling date: 5 Sep 2025 Issue date: 4 Aug 2020 | 8 Oct 2019 | 4 Aug 2020 |
| Utility: Partial activation of a media channel on channel holder-based optical links Filling date: 5 Sep 2025 Issue date: 4 Aug 2020 | 11 Jul 2019 | 4 Aug 2020 |
| Utility: Stackable telecommunications equipment power distribution assembly and method Filling date: 5 Sep 2025 Issue date: 4 Aug 2020 | 13 May 2019 | 4 Aug 2020 |
| Utility: Apparatus and methods for realization of N time interleaved digital-to-analog converters Filling date: 5 Sep 2025 Issue date: 28 Jul 2020 | 12 Jul 2019 | 28 Jul 2020 |
| Utility: Hybrid control and cooling module with independently removable cooling section for a network device Filling date: 5 Sep 2025 Issue date: 28 Jul 2020 | 23 Jan 2019 | 28 Jul 2020 |
| Utility: System 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: 28 Jul 2020 | 21 Aug 2018 | 28 Jul 2020 |
| Utility: Coherent optical modem with method to discover and control an amplifier's automatic gain control (AGC) loop bandwidth Filling date: 5 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: 5 Sep 2025 Issue date: 23 Jul 2020 | 23 Jan 2019 | 23 Jul 2020 |
| Utility: FPGA-based virtual fabric for data center computing Filling date: 5 Sep 2025 Issue date: 23 Jul 2020 | 17 Jan 2019 | 23 Jul 2020 |
| Utility: Protection switching systems and methods in a packet network based on signal degrade Filling date: 5 Sep 2025 Issue date: 21 Jul 2020 | 10 Dec 2018 | 21 Jul 2020 |
| Utility: System for loading fiber optic transport systems for channel additions and deletions Filling date: 5 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: 5 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: 5 Sep 2025 Issue date: 16 Jul 2020 | 16 Jan 2019 | 16 Jul 2020 |
| Utility: Apparatus and methods for digital phase locked loop with analog proportional control function Filling date: 5 Sep 2025 Issue date: 14 Jul 2020 | 14 Oct 2019 | 14 Jul 2020 |
| Utility: Coarse-fine gain-tracking loop and method of operating Filling date: 5 Sep 2025 Issue date: 14 Jul 2020 | 21 May 2019 | 14 Jul 2020 |
| Utility: Systems and methods for managing excess optical capacity and margin in optical networks Filling date: 5 Sep 2025 Issue date: 14 Jul 2020 | 18 Mar 2019 | 14 Jul 2020 |
| Utility: Virtual local area network identifiers for service function chaining fault detection and isolation Filling date: 5 Sep 2025 Issue date: 14 Jul 2020 | 15 May 2017 | 14 Jul 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: 23 Jun 2020 | 29 Jun 2018 | 23 Jun 2020 |
| Utility: Silicon-based Modulator with Optimized Longitudinal Doping Profiles Filling date: 5 Sep 2025 Issue date: 18 Jun 2020 | 25 Jan 2019 | 18 Jun 2020 |
| Utility: Time and margin constrained routing, spectrum, and restoration speed assignment in optical networks Filling date: 5 Sep 2025 Issue date: 16 Jun 2020 | 5 Mar 2019 | 16 Jun 2020 |
| Utility: Interconnect between different multi-quantum well waveguides in a semiconductor photonic integrated circuit Filling date: 5 Sep 2025 Issue date: 16 Jun 2020 | 29 Jan 2019 | 16 Jun 2020 |
| Utility: Multicast systems and methods for segment routing Filling date: 5 Sep 2025 Issue date: 16 Jun 2020 | 13 Jul 2018 | 16 Jun 2020 |
| Utility: Bundling capacity changes in channel holder based optical links Filling date: 5 Sep 2025 Issue date: 9 Jun 2020 | 9 Apr 2019 | 9 Jun 2020 |
| Utility: Systems and methods to increase capacity in optical networks based on excess margin Filling date: 5 Sep 2025 Issue date: 9 Jun 2020 | 4 Dec 2018 | 9 Jun 2020 |
| Utility: Non-hermetic semiconductor optical amplifier integration on silicon photonics Filling date: 5 Sep 2025 Issue date: 9 Jun 2020 | 28 Nov 2018 | 9 Jun 2020 |
| Utility: Fully differential traveling wave series push-pull mach-zehnder modulator Filling date: 5 Sep 2025 Issue date: 9 Jun 2020 | 10 Sep 2018 | 9 Jun 2020 |
| Utility: Circuit communication systems with digital state devices Filling date: 5 Sep 2025 Issue date: 9 Jun 2020 | 10 May 2018 | 9 Jun 2020 |
| Utility: Techniques and circuits for time-interleaved injection locked voltage controlled oscillators with jitter accumulation reset Filling date: 5 Sep 2025 Issue date: 9 Jun 2020 | 9 Apr 2018 | 9 Jun 2020 |
| Utility: DiffServ Traffic Engineering compliant backup paths for Fast Reroute protection in MPLS Filling date: 5 Sep 2025 Issue date: 4 Jun 2020 | 11 Jan 2019 | 4 Jun 2020 |
| Utility: Virtualized Synchronous Ethernet interfaces Filling date: 5 Sep 2025 Issue date: 4 Jun 2020 | 30 Nov 2018 | 4 Jun 2020 |
| Utility: Fractional frequency synthesis by sigma-delta modulating frequency of a reference clock Filling date: 5 Sep 2025 Issue date: 4 Jun 2020 | 30 Nov 2018 | 4 Jun 2020 |
| Utility: Time transfer systems and methods over Flexible Ethernet Filling date: 5 Sep 2025 Issue date: 2 Jun 2020 | 31 Aug 2018 | 2 Jun 2020 |
| Utility: Multipath selection in an ethernet fabric in a modular network element Filling date: 5 Sep 2025 Issue date: 2 Jun 2020 | 23 Apr 2018 | 2 Jun 2020 |
| 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: 28 May 2020 | 28 Nov 2018 | 28 May 2020 |
| Utility: Non-hermetic Semiconductor Optical Amplifier integration on Silicon photonics Filling date: 5 Sep 2025 Issue date: 28 May 2020 | 28 Nov 2018 | 28 May 2020 |
| Utility: Integrated optical device with manufactured waveguide aperture to block stray light and associated manufacture method Filling date: 5 Sep 2025 Issue date: 28 May 2020 | 27 Nov 2018 | 28 May 2020 |
| Utility: Spot-size converter for optical mode conversion and coupling between two waveguides Filling date: 5 Sep 2025 Issue date: 26 May 2020 | 2 Aug 2019 | 26 May 2020 |
| Utility: Method and system of mitigating network attacks Filling date: 5 Sep 2025 Issue date: 21 May 2020 | 22 Jan 2020 | 21 May 2020 |
