T.Kim Parnell, PhD

T. Kim Parnell, Ph.D., P.E., is a mechanical engineer based in Sunnyvale, California, who provides expert witness testimony and engineering consulting through his firm, Parnell Engineering & Consulting. He holds a doctorate in mechanical engineering from Stanford University and is licensed as a Professional Engineer in mechanical engineering.

His consulting work spans failure analysis, product design, reliability engineering, and patent matters, with particular focus on medical devices and high-tech products. Within the medical device space, his experience covers orthopedic, spinal, and prosthetic devices, addressing issues of intellectual property, design, and engineering analysis.

Dr. Parnell has testified in litigation and provided litigation support across multiple matters. His forensic work includes expert witness testimony, records and document review in support of patent disputes, and consulting on product liability and design questions involving medical and high-technology products.