Patent Infringement & Invalidity Expert Witnesses

Patent infringement & invalidity expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on patent infringement & invalidity. The patent infringement & invalidity expert witness listings on this page are typically from fields/areas of expertise such as: Mechanical Engineering and Products Liability.

Randall King, PhD, PE King Professional Engineering, Inc.

DALLAS, Texas
Mechanical Engineering, Products Liability - Patent infringement & invalidity, products liability, machinery design, failure analysis, design defects & manufacturing defects, 15 US patents + 6 foreign patents, Oilfield, industrial & agricultural accidents, pumps & compressors, valves & piping, consumer products, mechanical equipment failures
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 l...