Chemistry: Clinical Chemistry/Biochemistry - Chemical Pathology Expert Witnesses: 2

Dr. Olen R. Brown, PhD is a board certified Diplomate in Toxicology and member of the standards of knowledge committee. He has the PhD in Microbiology With over 35 years of experience in Life Sciences and more than 150 publications. Dr. Brown specializes in complex, multidisciplinary cases, and he focuses on Human Medicine using the disciplines of bacteriology, virology, immunology, epidemiology, biochemistry, physiology, analytical chemistry, toxicology, and environmental sciences. Dr. Brown has provided litigation support services for 180+ cases in 25 states and 1 in Canada. Dr. Brown has served in Plaintiff/Defense, and Criminal/Civil cases. He has testified in 20 trials and 31 depositions. Dr. Brown's expertise include: cause-and-effect determination after medical record review; risk assessment and causation determination from toxic exposure; evaluation of the therapeutic and harmful effects of ethical drugs, antibiotics, alcohol, and drugs of abuse; the toxicity of solvents, pesticides, heavy metals, ozone, carbon monoxide, particulates, and most organic chemicals for most organ systems including the lung (Asthma, COPD, RADS) and the brain (Parkinson's), Dr. Brown has evaluated human medical and veterinary medical devices and pharmaceuticals for safety. Areas of Expertise

• Toxicology (General, Academic, Pharmacologic, Forensic, Regulatory)
• Medical Sciences - Microbiology, Immunology, Bacteriology, Virology, Cell Physiology, Infectious Diseases, Cancer, Allergy, Mechanisms of Diseases
• Microbiology - Medical, Molecular Biology, Veterinary Medical, Environmental
• Environmental Biology - Hazardous Wastes; Air, Water and Soil Pollution
• Chemistry - Biochemistry, Analytical, Organic
• Veterinary Sciences - Cell Physiology, Mechanisms of Disease

View Dr. Brown's Consulting Profile.

Gary D. Fletcher, PhD,  is the Founder and Principal Consultant at RnDDx Solutions LLC, a consulting firm founded in 2015, focused on Industrial Mechanical Engineering and Biomedical Engineering and Research and Product Development.  In his 30 years of experience, he has been co-inventor on 23 patents for devices and methods in blood collection and processing.

Litigation Support - Dr. Fletcher has subject matter expertise in Medical Device Mechanical Engineering and subject matter expertise in Medical Devices for Blood Collection and Blood Sample processing for diagnostics and therapeutics. He serves as an expert witness in patent infringement cases involving medical device and diagnostic biomedical engineering, blood collection, separation, fluidic preparation, and cell therapy preparation devices.

Dr. Fletcher offers patent litigation services to law firms and lawyers supporting medical device and diagnostic industry clients, who need physical science and mechanical and biomedical engineering expertise for District Court, PTAB, and International Trade Commision patent cases. As an industry consultant, his ideal clients are R&D, product development, and innovation leaders in startup, emerging, and established medical device and diagnostic companies, who face product development and competitive challenges.

Areas of Expertise:

Dr. Fletcher is an entrepreneurial executive with expanding R&D roles in business, technology, and new product development leadership and execution, building and guiding teams in both Fortune 500 and startup companies. With a PhD in physics from Yale, he has a proven record of leadership in creating innovative new businesses and products in healthcare, medical devices, diagnostics, life, materials, and optical sciences.