Inhalation Expert Witnesses

Benton, Arkansas

Toxicology, Pharmacology - Inhalation, pharmaceuticals, chemicals, combustion/fire, pesticides, carcinogenicity

Dr. Norris has training in pharmacology and toxicology and has been practicing for over 30 years. He has testified to governmental agencies, served on an industrial site crisis team, and acted as a media consultant. He served as an expert witness in the US, UK and Hong Kong. He also is a testifying expert witness in US Air Force and US Navy court martials.

SAINT PETERSBURG, Florida

Toxicology, Laboratories & Testing - drug testing, opiate, hearing, exposure, dermal, false positives, fentanyl, methamphetamine, inhalation, touch exposure, toxicology, Delta 8, cocaine, environmental exposure, low level, residual, Marijuana, passive, metabolism, elimination

I am a PhD-level forensic and clinical toxicologist with over a decade of experience advising organizations, attorneys, and courts on complex toxicological, pharmacological, and regulatory matters. I served as the toxicologist for the federal courts drug testing contract for 3 years. In that role I testified at federal revocation hearings over 20 times concerning drug testing and wrote hundreds of formal letters of data interpretation for the courts. I also corresponded with attorneys and probation when the drug testing outcome may have been due to exposure or medication or diet. I have a National Registry of Certified Chemists board certification as a Toxicological Chemist, a MS and a PhD, and many years of experience directly operating laboratories.

Cambridge, Massachusetts

Medical Devices, Intellectual Property - Patent litigation, Hatch Waxman, ANDA, Inhaler, Inhalation, Inhaled drug delivery, Drug delivery device, Intellectual property, Branded Pharmaceutical, Generic Pharmaceutical, Respiratory, Medical device, Device design, Device development, Trade secret, Asthma, COPD, Consulting expert, Hatch-Waxman, Expert Witness

Matthew Sarkar brings a rare combination of insider industry experience and expert witness credentials to Hatch-Waxman patent litigation involving inhaled drug delivery and respiratory device technology. As a co-founder of the device business acquired by Vectura plc — one of the UK's leading inhaled therapeutics companies — he led the development of novel inhalation devices from concept through clinical trials, and subsequently took strategic responsibility for Vectura's device IP portfolio, managing licensing, due diligence, and technology transfer across the respiratory sector. He is a named inventor on more than 20 granted patent families in medical and drug delivery technology, giving him direct, first-hand insight into the inventive process that is central to patent validity and infringement analysis. Mr Sarkar has provided expert analysis in Hatch-Waxman litigation involving inhaler technology, breath actuation, and dose counter mechanisms. His technical expertise spans the f...