Call Now
Website
Call
Business Details
46 Years
experience
Board-Certified Forensic Engineer & Expert Witness Services
With over four decades of experience in forensic engineering and expert witness testimony, our firm specializes in resolving complex technical and legal challenges in electrical, electronic, and control systems. Founded by Arthur M. Zatarain, a board-certified forensic engineer and licensed professional engineer in multiple U.S. states, we combine deep technical expertise with courtroom experience to deliver authoritative analysis in patent disputes, industrial accidents, and commercial matters. Our work spans industries including energy, manufacturing, and technology, with notable involvement in high-profile cases such as the Deepwater Horizon/BP oil spill trial.

Holding certifications in safety instrumented systems, computer forensics, and control systems integration, we provide rigorous forensic testing, root cause analysis, and expert consultation tailored to client needs. Our commitment to technical precision and clear communication has earned recognition from law firms, insurers, and industry leaders globally.
Services
Forensic Engineering Expert Witness Testimony Patent Infringement Analysis Industrial Accident Investigation Control System Audits Electrical Safety Evaluation Product Liability Assessment Boiler & Burner Analysis PLC System Review Lockout-Tagout Consulting
Details
  • Year established: 1980
Highlights and features
  • Testified as expert witness in US Federal Court and international arbitrations
  • Licensed electrical engineer in Louisiana, Alabama, California, and Alaska
  • Certified in safety instrumented systems and computer forensics
  • 40+ years experience in industrial control systems and automation
  • Served as qualifying party for I&E contractor licenses
Associations and certifications
  • Board Certified Forensic Engineer
  • ISA-84 Safety Instrumented Systems (SIS)
  • Control Systems Integration Certification
  • Computer Forensics Certification
What people say
Best expert in 30 years Complex made simple Credible real-world experience Excellent communication skills Delivered under pressure
Services
Forensic Engineering
Our forensic engineering services investigate industrial accidents, equipment failures, and safety system defects. Using advanced diagnostic tools and industry standards, we determine root causes for legal proceedings or risk mitigation. Clients receive detailed reports and courtroom-ready testimony from a board-certified expert with 40+ years of field experience.
Expert Witness Testimony
Providing expert witness services in patent litigation and industrial accident cases, we translate complex technical issues into clear legal arguments. With qualifications in US Federal Court and international tribunals, our testimony combines technical authority with communication skills honed through decades of courtroom experience in high-stakes cases.
Patent Analysis
Specializing in patent disputes, we analyze infringement claims, prior art, and technical validity for electrical and control systems. Our work includes claim construction, reverse engineering, and technical comparisons backed by hands-on experience developing industrial automation technologies used in energy and manufacturing sectors.
Control System Audits
We audit industrial control systems for compliance, safety, and performance issues. Our engineers evaluate PLC/DCS configurations, safety instrumented systems, and cybersecurity measures using IEC-61131 standards and field experience with major manufacturers' systems across oil & gas, power generation, and manufacturing sectors.
Electrical Safety Consulting
Addressing electrical safety in industrial environments, we assess shock hazards, arc flash risks, and compliance with NFPA 70E standards. Our services include equipment evaluation, lockout-tagout program development, and safety system validation for facilities ranging from offshore platforms to manufacturing plants.
People
Arthur M. Zatarain
Principal Engineer
Board-certified forensic engineer with 40+ years in industrial controls and electrical systems. Former VP of Engineering at TEST Automation, qualified expert in US Federal Court, inventor on medical device patents, and graduate of University of New Orleans with MS in Engineering.
Questions
What industries do you specialize in?
We focus on energy, manufacturing, and technology sectors with emphasis on industrial control systems, electrical safety, and automation.
Can you handle international cases?
Yes, we've testified in US courts and international arbitrations across five continents since the 1990s.
What certifications do you hold?
Board-certified forensic engineer, ISA-84 SIS, computer forensics, and licensed PE in four US states.
How do you explain technical details to juries?
Through analogies, visual aids, and simplified explanations developed during 25+ years of courtroom testimony.
What's your litigation support process?
Initial technical assessment, evidence analysis, report preparation, deposition support, and trial testimony when needed.