LUMEN DEFENDER

What this means for you

Approved and waiting on proof of use. It will register unless the applicant drops it, and its 03 Feb 2026 filing date already counts against anyone who files later.

Record

Serial number

99631602

Mark type

Stylized text

Filed

03 Feb 2026

Published for opposition

21 Apr 2026

Attorney of record

Gretchen L Testerman

Goods and services

• Class 042 — Scientific and technological services: Computer network management and monitoring of technological functions of computer network systems; computer security services, namely, consultancy, threat analysis for protecting data, security threat identification for computer network protection purposes, intrusion detection, virus protection, managed firewall services, enforcing and restricting access privileges of users of computing resources for cloud, mobile or network resources based on assigned credentials, filtering unwanted emails, and monitoring network traffic for security purposes including prevention of cyberattacks; internet security services, namely, globally monitoring and collecting cybersecurity intelligence about software threats for the purpose of collecting and disseminating information about cyber threats and malware; technical research in the field of cybersecurity for others; technical research in the field of network security threats; providing temporary use of non downloadable cloud based software for detecting and analyzing malware and exploits; providing temporary use of non downloadable cloud based software for data security and protection; computer network protection and security consultation, namely, computer software consultation and computer software security consultation in the fields of assessment and protection of computer data and information, networks, servers, applications, desktop computers, and computing devices against attack, intrusion, and misuse; monitoring of network traffic for security purposes, for detecting, preventing, and mitigating cyber threats, cyberattacks, and malicious activity affecting computer servers connected to the Internet; security threat management services, namely, monitoring and tracking of software security vulnerabilities and problems in computer software products, the Internet, and computer networks, and protection of computer data and information, networks, servers, applications, and desktop computers; providing information security incident response services, namely, detecting and mitigating unauthorized access to computer networks and computer systems; testing, analysis, and evaluation of computer networks, servers, applications, desktop computers, and computing devices to assure compliance with cybersecurity industry standards; technical support services, namely, troubleshooting, monitoring, and remediation of technical computer security network software problems

Owner

• CenturyLink Communications, LLC, Denver, CO, US

Prosecution history

• 26 Mar 2026 — APPROVED FOR PUB - PRINCIPAL REGISTER
• 26 Mar 2026 — TEAS/EMAIL CORRESPONDENCE ENTERED
• 26 Mar 2026 — CORRESPONDENCE RECEIVED IN LAW OFFICE
• 26 Mar 2026 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
• 24 Mar 2026 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
• 24 Mar 2026 — NON-FINAL ACTION E-MAILED
• 24 Mar 2026 — NON-FINAL ACTION WRITTEN
• 23 Mar 2026 — ASSIGNED TO EXAMINER
• 03 Feb 2026 — APPLICATION FILING RECEIPT MAILED
• 03 Feb 2026 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
• 03 Feb 2026 — NEW APPLICATION ENTERED