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ADTRAN Holdings, Inc. (ADTN)

Nasdaq: ADTN · Telephone & Telegraph Apparatus · Huntsville, AL · filing with the SEC since 1996
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Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

542 patents granted to the 8 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to ADTRAN Holdings, Inc.’s names, not what it holds today.

Patents granted
542
539 utility, 3 design, 1976 to Dec 31, 2025
Granted in 2025
10
Against 13 in 2024 and 7 in 2023
Applications published
205
7 of them in 2025
Names they are printed under
8
a former name, a subsidiary
By yearGrantedApplications published
'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Telecommunications17
Computer technology8
Digital communication8
Basic communication processes2
Electrical machinery, apparatus, energy2
Optics2
Audio-visual technology1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name8 counted
Adtran, Inc. a former name
US, as the owner printed on each patent. 20 more under the same name are not counted (printed in DE)
519 granted
101 published
Adtran, Inc. a former name
named as the applicant on its applications, in US. 9 more under the same name are not counted (printed in DE)
0 granted
85 published
ADTRAN NETWORKS SE a subsidiary
DE, as the owner printed on each patent
12 granted
1 published
Adtran Networks SE a subsidiary
named as the applicant on its applications, in DE
0 granted
10 published
Bluesocket, Inc. a subsidiary
US, as the owner printed on each patent
4 granted
5 published
Oscilloquartz S.A. a subsidiary
CH, as the owner printed on each patent
5 granted
0 published
ADTRAN, INC., A DELAWARE CORPORATION a former name
US, as the owner printed on each patent
0 granted
3 published
ADVA NETWORK SECURITY GMBH a subsidiary
DE, as the owner printed on each patent
2 granted
0 published
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Sep 30, 202512,430,211Automatic NFV service chain failure recovery due to compute node failuresComputer technologyADTRAN NETWORKS SE
Sep 2, 202512,406,590Methods and systems for ensuring proper installation of telecommunication equipmentComputer technologyAdtran, Inc.
Jul 15, 202512,363,230Systems and methods for monitoring voice servicesTelecommunicationsAdtran, Inc.
Jul 8, 202512,355,588Communication resilience in a ring network topologyDigital communicationAdtran, Inc.
May 20, 202512,308,877Performance monitoring device, method for performance monitoring of an optical system, and optical signal networkTelecommunicationsADTRAN NETWORKS SE
May 13, 202512,301,406Communication resilience in a networkDigital communicationAdtran, Inc.
Apr 29, 202512,289,569Time-division multiplexed systems and methods for reducing overestimation of bandwidth demandTelecommunicationsAdtran, Inc.
Mar 11, 202512,250,301Method and system for continuous-variable quantum key distributionDigital communicationADVA NETWORK SECURITY GMBH
Mar 4, 202512,244,486Communication resilience in a networkDigital communicationAdtran, Inc.
Jan 21, 202512,207,031Method and system to implement a demarcation point between a provider network and a customer networkTelecommunicationsADTRAN NETWORKS SE
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Aug 28, 20252025/0274211SYSTEM AND METHOD OF CALIBRATING A CLOCK DEVICETelecommunicationsAdtran Networks SE
Aug 21, 20252025/0266904Method for Fault Localization in an Optical NetworkTelecommunicationsAdtran Networks SE
Jul 10, 20252025/0227021Rapid Network Redundancy FailoverTelecommunicationsAdtran, Inc.
May 29, 20252025/0175396COMPUTING DEVICE AND METHOD FOR UPGRADING AN ACTIVE VIRTUAL MACHINEComputer technologyADTRAN NETWORKS SE
May 1, 20252025/0141557PROCESSING OF OPTICAL SIGNALSTelecommunicationsAdtran Networks SE
Feb 6, 20252025/0045166AUTOMATIC NFV SERVICE CHAIN FAILURE RECOVERY DUE TO COMPUTE NODE FAILURESComputer technologyAdtran Networks SE · patent 12,430,211 granted from it
Jan 16, 20252025/0023317Broadband Optical AmplifierOpticsAdtran Networks SE
Jul 11, 20242024/0235686Electronic Module, Especially Optical Transceiver ModuleOpticsAdtran Networks SE
May 9, 20242024/0154861Communication Resilience in a NetworkDigital communicationAdtran, Inc.
May 2, 20242024/0146848SYSTEMS AND METHODS FOR MONITORING VOICE SERVICESTelecommunicationsAdtran, Inc. · patent 12,363,230 granted from it
What it applied for, 2024 to 2025: Digital communication 7 · Telecommunications 6 · Optics 5 · Computer technology 2.

A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.

SI Assistanton ADTN · research, not advice