Randall King, PhD, PE Expert Witness

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Specialties & Experience of this Expert Witness

General Specialties:

Mechanical Engineering and Products Liability

Keywords/Search Terms:

Patent infringement/invalidity, products liability, machinery design, failure analysis, design defects & manufacturing defects, 15 US patents + 6 int'l patents, Oilfield, industrial & agricultural accidents, pumps & compressors, valves & piping, consumer products, mechanical equipment failures


PhD - Mechanical Engineering, Oklahoma State University; MS - Mechanical Engineering, Oklahoma State University; BS - Mechanical Engineering, Oklahoma State University

Years in Practice:


Number of Times Deposed/Testified in Last 4 Yrs:


Additional Information

Dr. King is a licensed professional engineer with a Ph.D‭. ‬in mechanical engineering‭: 40+ ‬years experience in mechanical engineering‭, ‬product design‭, research and development of high-pressure oilfield fracturing pumps and automotive components, forensic investigation‭, ‬and litigation support‭. ▪ Testified at 11 trials & 54 depositions ▪ 25 Patent, IPR, & PGR cases – 4 trials & 12 depositions ▪ 21 Patents ▪ Patent infringement & invalidity ▪ Products liability ▪ Design defects & manufacturing defects ▪ Failure analysis ▪ Oilfield, Industrial, Construction, & Agricultural accidents ▪ Pumps, valves, compressors, & piping ▪ Cranes, trucks, lifts ▪ Consumer products Dr. King has served as a forensic engineer for over 20 years, testifying at 11 trials and 54 depositions in state and federal courts for both plaintiff and defense. Dr. King has served on 25 patent cases, providing opinions on invalidity, infringement, IPR’s, PGR's, and claim construction, including live testimony at 4 jury trials and 12 depositions. We focus on high-quality investigations and forensic engineering analysis with special emphasis on providing down-to-earth communication and clear presentation to assist you in resolving complex issues and communicating with others. — our goal is to make the complex comprehensible.