Expert witness SERVICES
Litigation Support from 3eplus
3eplus staff provides expert witness testimony and consulting services for legal cases involving materials and corrosion-related issues around the world.
We tackle complex corrosion and material issues in dispute during litigation, formulating expert opinions for presentation in reports, deposition, and trial testimony.
How can we help?
decades of experience
Trusted by Industry Leaders
AREAS OF EXPERTISE
We provide expert legal opinions on a wide range of corrosion issues, such as construction failures, design flaws, non-performing cathodic protection systems, coating failures, and premature corrosion deterioration.
01
The Root Cause of Corrosion Distress or Failure
We investigate the root cause of the corrosion distress
02
Analyzing the Extent of Deteterioration or Failure
We have the expertise to determine the extent of deterioration/distress
03
Developing Repair Recommendations
Our experts develop suitable repair recommendations.
04
Establishing Probable Costs
We provide estimates of probable cost associated with the repair recommendations.
Our Leading Corrosion Expert, Leandro Etcheverry, PhD, PE
Leandro Etcheverry has over 30 years of experience related to corrosion and materials issues. He has been involved in corrosion evaluations primarily for transportation, industrial, commercial residential, marine and energy structures. Leandro has also served as CP Specialist for the department of transportations of the states of Florida, Texas, North Carolina, Georgia, and Oregon.
Leandro has been active in NACE International (now AMPP) since 1996. He has been member of several technical committees and has held different leadership positions over the years including:
- NACE TMG C1 Associate Program Coordinator for the Annual Conference Program Committee,
- Chair NACE STG 01 - Reinforced Concrete, TG 290 - Design Considerations for Corrosion Control, and
- Vice-chair NACE STG 01 - Reinforced Concrete, TG 047 - Sacrificial Cathodic Protection.
Leandro values time spent in the field “listening” to the structure. He believes strongly in providing options in light of both opportunities and constraints.

Our Advanced Certifications
3eplus is led by Leandro Etcheverry, an AMPP-Certified Cathodic Protection Specialist (CP4) and Senior Coatings Inspector (Level 3). - the highest level of certifications in cathodic protection and coatings awarded by the Association for Materials Protection and Performance (AMPP).
EXPERT CONSULTING SERVICES
Why Choose 3eplus for
Ligitation Support?
We bring decades of experience and in-depth knowledge of material issues including corrosion and its mitigation working on behalf of plaintiffs and defendants.
Unparalleled Expertise
Our team, led by Leandro Etcheverry, a NACE International Certified Cathodic Protection Specialist (CP4) and Senior Coatings Inspector (Level 3) with decades of experience, provides in-depth knowledge of corrosion engineering principles and industry best practices.
Proven Track Record
We have successfully provided expert witness testimony in numerous cases, demonstrating our ability to effectively communicate complex technical information to legal professionals and the court.
Commitment to Confidentiality
We understand the importance of maintaining client confidentiality. All information provided by our clients is treated with the utmost discretion and is subject to strict confidentiality agreements.
Objectivity and Impartiality
We provide unbiased and objective expert opinions based on sound engineering principles and scientific data.
Thorough Investigation
We conduct thorough investigations, utilizing state-of-the-art equipment and advanced analytical techniques to gather and analyze evidence.
Clear Communication
We effectively communicate complex technical information in a clear, concise, and understandable manner for legal professionals and the court.
trusted by official agencies
Government agencies trust 3eplus for complex corrosion projects
How Corrosion Expert Witness Services Work
Initial Consultation
We begin with a thorough review of your case, gathering all relevant documentation and discussing the specific needs of your legal team.
In-Depth Investigation
Our team conducts on-site inspections, detailed investigations and laboratory analyses to uncover the root causes of corrosion-related issues.
Comprehensive Reporting
We prepare clear, concise, and easy-to-understand expert reports, supported by visual evidence and data analysis.
Expert Testimony
Our qualified engineers provide clear and confident testimony in court, explaining complex technical issues in a way that is easily understood by judges and juries.
Ongoing Support
We offer ongoing support, providing insights for future corrosion prevention and mitigation to help prevent similar issues from occurring again.
Our Clients
Who We Serve
Contractors
Architects
Engineers
Attorneys
Insurance Firms
Property Owners
Let's talk about the case
FAQ
Frequently Asked Questions
Are your services available internationally?
Yes, we have worked on cases outside the United States and are experienced in international legal proceedings.
What information should I provide for the initial consultation?
Please provide available photographic documentation, construction documents, and key reports to help us understand the case.
How long does the analysis and reporting process take?
The process typically takes two to six weeks, depending on the complexity of the case and the amount of data collected.
Are your reports admissible in court?
Yes, our expert reports have been successfully admitted in courts both in the United States and internationally.
Do you offer emergency services for urgent cases?
We do offer emergency services when time is critical. Please contact us to discuss your specific needs.
What certifications do your experts hold?
Our experts hold professional engineer registrations and AMPP certifications in cathodic protection and coatings at the highest available levels.
How do you ensure objectivity in your analysis?
Our experts are independent and not affiliated with material manufacturers or contractors. We provide unbiased, fact-based analysis and testimony.