HEMLOCK

What this means for you

Approved and waiting on proof of use. It will register unless the applicant drops it, and its 19 Aug 2025 filing date already counts against anyone who files later.

Record

Serial number

99344996

Mark type

Stylized text

Filed

19 Aug 2025

Published for opposition

14 Apr 2026

Attorney of record

Steven E. Tiller

Goods and services

• Class 009 — Scientific and electric apparatus: Downloadable computer software for conducting artificial intelligence and machine learning (AI/ML) security and defense using large and small language models, vision models, audio models, and multi-modal models, and other machine learning models, algorithms, and agents, for conducting AI/ML red-teaming using adversarial testing, prompt injection, data poisoning, and model inversion, for conducting blue team AI/ML model defenses utilizing adversarial robustness, input filtering, data noising, and model monitoring, for performing AI/ML training, fine-tuning, retrieval-augmented generation (RAG), inference, and neural rendering, and for conducting AI/ML testing and evaluation, AI/ML model benchmarking and ratings, data science, cybersecurity, cloud security, network security, software testing and evaluation, security compliance management, threat intelligence, anomaly detection, threat hunting, intrusion detection and prevention, incident response, digital forensics, reverse engineering, penetration testing, red teaming, adversarial testing, threat modeling, vulnerability management, vulnerability scanning, vector databases, data privacy, encryption, and data loss prevention
• Class 042 — Scientific and technological services: Software as a service (SAAS) services featuring software for conducting artificial intelligence and machine learning (AI/ML) security and defense using large and small language models, vision models, audio models, and multi-modal models, and other machine learning models, algorithms, and agents, for conducting AI/ML red-teaming using adversarial testing, prompt injection, data poisoning, and model inversion, for conducting blue team AI/ML model defenses utilizing adversarial robustness, input filtering, data noising, and model monitoring, for performing AI/ML training, fine-tuning, retrieval-augmented generation (RAG), inference, and neural rendering, and for conducting AI/ML testing and evaluation, AI/ML model benchmarking and ratings, data science, cybersecurity, cloud security, network security, software testing and evaluation, security compliance management, threat intelligence, anomaly detection, threat hunting, intrusion detection and prevention, incident response, digital forensics, reverse engineering, penetration testing, red teaming, adversarial testing, threat modeling, vulnerability management, vulnerability scanning, vector databases, data privacy, encryption, and data loss prevention

Owner

• CIGNAL LLC, Reedsville, PA, US

Prosecution history

• 18 Mar 2026 — APPROVED FOR PUB - PRINCIPAL REGISTER
• 17 Mar 2026 — TEAS/EMAIL CORRESPONDENCE ENTERED
• 17 Mar 2026 — CORRESPONDENCE RECEIVED IN LAW OFFICE
• 17 Mar 2026 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
• 07 Jan 2026 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
• 07 Jan 2026 — NON-FINAL ACTION E-MAILED
• 07 Jan 2026 — NON-FINAL ACTION WRITTEN
• 06 Jan 2026 — ASSIGNED TO EXAMINER
• 19 Aug 2025 — APPLICATION FILING RECEIPT MAILED
• 19 Aug 2025 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
• 19 Aug 2025 — NEW APPLICATION ENTERED