Litigation Support & Expert Testimony
Independent technical analysis & courtroom-ready expert testimony for complex machinery & lubrication disputes
Tesibis offers seasoned experience in failure analysis, technical opinion reports and expert testimony for legal counsel on both plaintiff and defense cases. Subjects of expertise include lubrication engineering, lubricant analysis, metallography and mechanical failure analysis.
Case experience varies from simple to the complex, including product liability, patent infringement, business-interruption, wrongful death and industrial accidents.

Services Provided
Forensic
Studies

Technical Advisory
& Consulting

Testifying &
Non-Testifying

Professional Opinion
Letters & Reports

Major Law Firms Served
Providing expert lubrication testimony & technical support to leading law firms around the world
- Venable
- Norton Rose Fulbright
- Jones Day
- ArentFox Schiff
- K&L Gates
- Covington
- Fisher Bren & Sheridan
- Perkins Coie
- Thompson Coburn
- Bryant Songy & Snell
- McLaughlin & Stern
- Brafman & Associates
- Spagnoletti & Co.
- Davis, Hutchinson & Wilkerson
- Hilliard Law
Practice Areas
Expertise leverages hundreds of analytical testing and troubleshooting cases and projects related to lubricant physical and chemical analysis, tribology, contamination control, filter debris analysis, filter integrity studies and wear particle characterization.
Applications involve wide-range uses of lubricants in trucks, automobiles, aviation, industrial motors and engines, turbo-generators, bearings, gearing, compressors, hydraulics, pump and conveyor systems.
- Lubricant Analysis
- Lubricant Selection
- Lubrication Engineering
- Tribology & Machine Wear
- Lubricant Contamination
- Lubricant Formulation
- Wear Debris Characterization
- Filtration & Separation
- Motor Oils & Engine Lubrication
- Gear Failure Analysis
- Bearing Failure Analysis
- Hydraulic System Failure

Case Experience
Examples of litigation support & investigations provided in recent years
- Automotive Diesel Fuel Injection System Failure
- Elevator Hydraulics Failures
- Fleet-wide Diesel Engine Failures
- Fleet-wide Motor Grader Failures
- Airport Baggage Handling Conveyor Gear System Failure
- Shipyard Hydraulic System Failure
- Tractor-Trailer Wheel-End Bearing Failures
- Tower Crane Hydraulic Failure
- CNC Slideway Lubrication Failures
- Hurricane Rita Bus Fire Case
- Automotive Engine Connecting Rod Bearing Failures
- Hydroelectric Turbo-Generator Lubrication System Failures
- Commercial Yachts Hydraulic Failures
- Port Crane Gearbox Failures
- Lubricant Cross-contamination Litigation
- Hydraulic Fluid Formulation Fault Case
- Automotive Engine Lubricant Formulation Case
- Automotive Aftermarket Lubricant Additive Case
- Diesel Engine Filter Performance Litigation Case
- Mobile Equipment Hydraulic Failure Case
- Automotive Engine Oil Sludge Case
- Mobile Equipment Faulty Lubricant Formulation Case
Expert Witness Credentials
James C. Fitch
Lubrication Engineering Consultant & Expert Witness in Mechanical Failure Investigations
- 45+ Years of Experience
- Dozens of High-Profile Legal Cases
- 16 U.S. Patents Lubrication
- Founder of Noria Corporation
- Published Author & Keynote Speaker
- Featured In:

Get In Touch
Let us know how we can help your case and we’ll get back to you.