| Utility: Optically isolated photodiode for high sensitivity application Filling date: 5 Sep 2025 Issue date: 15 Oct 2019 | 10 Feb 2017 | 15 Oct 2019 |
| Utility: Techniques and circuits for time-interleaved injection locked Voltage Controlled Oscillators with jitter accumulation reset Filling date: 5 Sep 2025 Issue date: 10 Oct 2019 | 9 Apr 2018 | 10 Oct 2019 |
| Utility: Handling channel holder failures in channel holder equipped optical links Filling date: 5 Sep 2025 Issue date: 8 Oct 2019 | 26 Feb 2019 | 8 Oct 2019 |
| Utility: Cable management system in an air-cooled housing Filling date: 5 Sep 2025 Issue date: 8 Oct 2019 | 23 Jan 2019 | 8 Oct 2019 |
| Utility: Systems and methods for selecting efficient messaging between services Filling date: 5 Sep 2025 Issue date: 8 Oct 2019 | 20 Sep 2016 | 8 Oct 2019 |
| Utility: Active heatsink lid Filling date: 5 Sep 2025 Issue date: 8 Oct 2019 | 30 Jun 2016 | 8 Oct 2019 |
| Utility: Systems and methods for tracking, predicting, and mitigating advanced persistent threats in networks Filling date: 5 Sep 2025 Issue date: 8 Oct 2019 | 13 Apr 2015 | 8 Oct 2019 |
| Utility: Automatic labeling of telecommunication network data to train supervised machine learning Filling date: 5 Sep 2025 Issue date: 3 Oct 2019 | 18 Jun 2019 | 3 Oct 2019 |
| Utility: HIERARCHICAL COHERENCY FOR NETWORK FUNCTION VIRTUALIZATION Filling date: 5 Sep 2025 Issue date: 26 Sep 2019 | 20 Mar 2018 | 26 Sep 2019 |
| Utility: Extremely-fine resolution sub-ranging current mode Digital-Analog-Converter using Sigma-Delta modulators Filling date: 5 Sep 2025 Issue date: 24 Sep 2019 | 29 Nov 2018 | 24 Sep 2019 |
| Utility: Flexible ethernet switching systems and methods Filling date: 5 Sep 2025 Issue date: 24 Sep 2019 | 28 Sep 2017 | 24 Sep 2019 |
| Utility: Frontplane communication network between multiple pluggable modules on a single faceplate Filling date: 5 Sep 2025 Issue date: 24 Sep 2019 | 28 Oct 2015 | 24 Sep 2019 |
| Utility: Scalable broadband metro network architecture Filling date: 5 Sep 2025 Issue date: 24 Sep 2019 | 13 Apr 2015 | 24 Sep 2019 |
| Utility: Machine learning systems and methods to predict abnormal behavior in networks and network data labeling Filling date: 5 Sep 2025 Issue date: 12 Sep 2019 | 8 Mar 2019 | 12 Sep 2019 |
| Utility: Systems and methods for intelligent routing and content placement in information centric networks Filling date: 5 Sep 2025 Issue date: 12 Sep 2019 | 7 Mar 2018 | 12 Sep 2019 |
| Utility: Optical fiber characterization measurement systems and methods Filling date: 5 Sep 2025 Issue date: 10 Sep 2019 | 22 May 2018 | 10 Sep 2019 |
| Utility: Gridless optical routing and spectrum assignment Filling date: 5 Sep 2025 Issue date: 10 Sep 2019 | 30 Sep 2016 | 10 Sep 2019 |
| Utility: Flexible grid bulk spectrum assignment systems and methods Filling date: 5 Sep 2025 Issue date: 3 Sep 2019 | 18 Oct 2018 | 3 Sep 2019 |
| Utility: Path computation based on dynamic performance monitoring systems and methods in optical networks Filling date: 5 Sep 2025 Issue date: 3 Sep 2019 | 28 Feb 2018 | 3 Sep 2019 |
| Utility: G.8032 misconfiguration detection systems and methods Filling date: 5 Sep 2025 Issue date: 3 Sep 2019 | 8 Mar 2017 | 3 Sep 2019 |
| Utility: Network level protection route evaluation systems and methods Filling date: 5 Sep 2025 Issue date: 3 Sep 2019 | 3 Mar 2017 | 3 Sep 2019 |
| Utility: Spread weave induced skew minimization Filling date: 5 Sep 2025 Issue date: 3 Sep 2019 | 20 May 2016 | 3 Sep 2019 |
| Utility: Optical module heatsink lifter and method Filling date: 5 Sep 2025 Issue date: 3 Sep 2019 | 17 Mar 2016 | 3 Sep 2019 |
| Utility: Asymmetric heat pipe coupled to a heat sink Filling date: 5 Sep 2025 Issue date: 29 Aug 2019 | 27 Feb 2018 | 29 Aug 2019 |
| Utility: Client protection switch in optical pluggable transceivers activated through fast electrical data squelch Filling date: 5 Sep 2025 Issue date: 27 Aug 2019 | 10 Sep 2018 | 27 Aug 2019 |
| Utility: Precise time synchronization across optical modules for group alignment Filling date: 5 Sep 2025 Issue date: 27 Aug 2019 | 22 Feb 2018 | 27 Aug 2019 |
| Utility: Flexible ethernet operations, administration, and maintenance systems and methods Filling date: 5 Sep 2025 Issue date: 27 Aug 2019 | 2 Nov 2017 | 27 Aug 2019 |
| Utility: Automated node level fibre audit Filling date: 5 Sep 2025 Issue date: 27 Aug 2019 | 17 Apr 2017 | 27 Aug 2019 |
| Utility: Minimum variance carrier recovery with increased phase noise tolerance Filling date: 5 Sep 2025 Issue date: 27 Aug 2019 | 19 Sep 2016 | 27 Aug 2019 |
| Utility: Partial survivability for multi-carrier and multi-module optical interfaces Filling date: 5 Sep 2025 Issue date: 22 Aug 2019 | 7 May 2019 | 22 Aug 2019 |
| Utility: Precise time synchronization across optical modules for group alignment Filling date: 5 Sep 2025 Issue date: 22 Aug 2019 | 22 Feb 2018 | 22 Aug 2019 |
| Utility: Ethernet protection systems and methods with fast traffic recovery eliminating flooding, learning, and flushing Filling date: 5 Sep 2025 Issue date: 22 Aug 2019 | 20 Feb 2018 | 22 Aug 2019 |
| Utility: Optical modem line timing Filling date: 5 Sep 2025 Issue date: 20 Aug 2019 | 30 Nov 2018 | 20 Aug 2019 |
| Utility: PREDICTING OPTICAL SPECTRAL PROFILES IN ADVANCE OF CAPACITY CHANGES IN OPTICAL NETWORKS Filling date: 5 Sep 2025 Issue date: 15 Aug 2019 | 9 Feb 2018 | 15 Aug 2019 |
| Utility: Flexible ethernet enhanced forward error correction Filling date: 5 Sep 2025 Issue date: 13 Aug 2019 | 13 Dec 2016 | 13 Aug 2019 |
| Utility: Control plane routing systems and methods for pervasive maintenance Filling date: 5 Sep 2025 Issue date: 13 Aug 2019 | 15 Aug 2016 | 13 Aug 2019 |
| Utility: Threshold crossing events for network element instrumentation and telemetric streaming Filling date: 5 Sep 2025 Issue date: 8 Aug 2019 | 17 Apr 2019 | 8 Aug 2019 |
| Utility: FLEXIBLE ROUTING IN A FIBER TRAY FOR USE IN A FIBER OPTIC ASSEMBLY Filling date: 5 Sep 2025 Issue date: 8 Aug 2019 | 8 Feb 2018 | 8 Aug 2019 |
| Utility: SEGMENT ROUTING TRAFFIC ENGINEERING BASED ON LINK UTILIZATION Filling date: 5 Sep 2025 Issue date: 8 Aug 2019 | 5 Feb 2018 | 8 Aug 2019 |
| Utility: Spot-size converter for optical mode conversion and coupling between two waveguides Filling date: 5 Sep 2025 Issue date: 6 Aug 2019 | 2 Apr 2018 | 6 Aug 2019 |
| Utility: Raman amplifier system and method with integrated optical time domain reflectometer Filling date: 5 Sep 2025 Issue date: 6 Aug 2019 | 15 Sep 2017 | 6 Aug 2019 |
| Utility: CHANNEL PRE-COMBINING IN COLORLESS, DIRECTIONLESS, AND CONTENTIONLESS OPTICAL ARCHITECTURES Filling date: 5 Sep 2025 Issue date: 1 Aug 2019 | 26 Jan 2018 | 1 Aug 2019 |