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Lumen Technologies, Inc. (LUMN)

Nasdaq: LUMN · Telephone Communications (No Radiotelephone) · Monroe, LA · filing with the SEC since 1994
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Grade3.5
◀ Past 2.4● Present 3.0▶ Future 4.8
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Patents

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

2,597 patents granted to the 13 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 Lumen Technologies, Inc.’s names, not what it holds today.

Patents granted
2,597
2,574 utility, 21 design, 2 reissue, 1976 to Dec 31, 2025
Granted in 2025
98
Against 140 in 2024 and 146 in 2023
Applications published
2,430
142 of them in 2025
Names they are printed under
13
a subsidiary, its holding company, a former name
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
Digital communication502
Telecommunications51
Computer technology44
Electrical machinery, apparatus, energy4
Optics3
IT methods for management3
Other special machines2
Transport1
Measurement1
Civil engineering1
Audio-visual technology1
Medical technology1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name13 counted
Level 3 Communications, LLC a subsidiary
US, as the owner printed on each patent
1,103 granted
944 published
CenturyLink Intellectual Property LLC its holding company
US, as the owner printed on each patent; a holding company under the name CENTURYLINK, INC. 2 more under the same name are not counted (printed in KR, printed in JP)
999 granted
465 published
Qwest Communications International Inc. a subsidiary
US, as the owner printed on each patent
435 granted
260 published
CenturyLink Intellectual Property LLC its holding company
named as the applicant on its applications, in US; a holding company under the name CENTURYLINK, INC
0 granted
405 published
Level 3 Communications, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
303 published
Universal Manufacturing Co. a subsidiary
US, as the owner printed on each patent. 1 more under the same name are not counted (printed in CN)
30 granted
1 published
Qwest Communications International Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
26 published
Broadwing, LLC a subsidiary
US, as the owner printed on each patent
18 granted
6 published
Streamroot a subsidiary
FR, as the owner printed on each patent
10 granted
7 published
STREAMROOT a subsidiary
named as the applicant on its applications, in FR
0 granted
12 published
CENTURYTEL, INC. a former name
US, as the owner printed on each patent
0 granted
1 published
Global Crossing, North America a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Qwest a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Names not counted (1)
IP Networks, Inc.
Only generic words.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Dec 30, 2025D1,107,699Networking deviceCenturyLink Intellectual Property LLC
Dec 30, 202512,513,242911 address updateDigital communicationLevel 3 Communications, LLC
Dec 16, 2025D1,106,129Networking deviceCenturyLink Intellectual Property LLC
Dec 16, 202512,499,140Database interface framework and database agentsComputer technologyCenturyLink Intellectual Property LLC
Nov 25, 202512,483,600System and method for utilization of threat data for network securityDigital communicationLevel 3 Communications, LLC
Nov 11, 202512,470,407Enhanced transport layer security encryption certification management systems and methodsDigital communicationLevel 3 Communications, LLC
Nov 4, 202512,464,049Systems and methods for network device management using device clusteringDigital communicationLevel 3 Communications, LLC
Nov 4, 202512,463,940Method and system for implementing high availability (HA) web application firewall (WAF) functionalityDigital communicationCenturyLink Intellectual Property LLC
Oct 21, 202512,452,333Enhanced management of egress traffic to a peer communications networkDigital communicationLevel 3 Communications, LLC
Oct 14, 202512,445,553Provisioning tool-call center-based automated interface with network switches for internet service diagnostics and provisioningTelecommunicationsCenturyLink Intellectual Property LLC
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Dec 25, 20252025/0392573NETWORK SECURITY DEVICEDigital communicationLevel 3 Communications, LLC
Dec 25, 20252025/0392569SYSTEM AND METHOD FOR UTILIZATION OF FIREWALL POLICIES FOR NETWORK SECURITYDigital communicationLevel 3 Communications, LLC
Dec 11, 20252025/0379886SYSTEMS AND METHODS FOR CONFIGURING ENCAPSULATION TUNNELS BASED ON DYNAMIC CAPACITY CHECKSDigital communicationLevel 3 Communications, LLC
Nov 27, 20252025/0365703GEOLOCATION DETERMINATION AND REPORTING FOR NETWORK-CONNECTED DEVICESDigital communicationCenturyLink Intellectual Property LLC
Nov 27, 20252025/0365267EFFICIENT PROVISIONING OF INTERNET CIRCUIT AND SECURE DOMAIN NAME SYSTEMDigital communicationLevel 3 Communications, LLC
Nov 27, 20252025/0365228SYSTEMS AND METHODS FOR CLOAKING ROUTESDigital communicationCenturyLink Intellectual Property LLC
Nov 27, 20252025/0365203ENHANCED PRE-LOADING FOR EDGE GATEWAYS IN COMMUNICATIONS NETWORKSComputer technologyCenturyLink Intellectual Property LLC
Nov 20, 20252025/0358362AUTOMATE-AUTOMATED INTERFACE BETWEEN CALL CENTER AGENTS AND NETWORK ORCHESTRATION SYSTEMS VIA APPLICATION PROGRAMMING INTERFACES (APIs)TelecommunicationsCenturyLink Intellectual Property LLC
Nov 20, 20252025/0356773METHOD AND SYSTEM FOR IMPLEMENTING AI-POWERED AUGMENTED REALITY LEARNING DEVICESComputer technologyCenturyLink Intellectual Property LLC
Nov 13, 20252025/0350559TRAFFIC MONITORING AND ORCHESTRATIONDigital communicationLevel 3 Communications, LLC
What it applied for, 2024 to 2025: Digital communication 234 · Computer technology 34 · Telecommunications 33 · Audio-visual technology 4 · Optics 3 · Other special machines 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 LUMN · research, not advice