About

David A. Rockstraw, Ph. D., P. E.

Expert Witness, Chemical Engineering Consultant, & Process Forensic Analyst

Dr. Rockstraw has worked in the chemical processing industries; academia; government labs; and private practice as consultant, R&D engineer, expert witness, and forensic analyst. He has a diverse breadth of experience with expertise in a wide cross-section of technical and procedural areas of the chemicals & materials industry, including: commodity chemicals; energy; water; petrochemicals; pharmaceuticals; agricultural chemicals; fluorochemicals; monomers, polymers and plastics; plutonium processing; membrane/electromembrane processes; safety; biofuels; processed foods; and academic administration. Rockstraw’s career emphasized process design, analysis, simulation, scale-up, and commercial start-up; though he has also been involved in a wide range of fundamental research studies. Rockstraw has provided expert testimony in deposition, trial, arbitrations, inter partes reviews (IPR), and post grant reviews (PGR).

He has testified in Federal and International Courts, before the International Trade Commission, and has sat in the witness chair for up to 20 hours in a single trial.​  He has also appeared before the European Patent Office (Germany), and the Vienna International Arbitral Centre (Austria), as well as had testimony entered before the International Court of Arbitration of the International Chamber of Commerce (France), the Superior Court of Justice (Canada).

In addition, Rockstraw has extensive training and skills with process simulation software (Aspen, HYSYS, ChemCad); thorough literature search library skills; the ability to climb steep learning curves; and strong laboratory skills to collect statistically significant data when needed. Rockstraw rented lab space at a major academic institution on the east coast, relocated temporarily to the region, then spent three weeks performing chemical reaction engineering in support of a patent infringement litigation. 

Listen to David Rockstraw speak with Noah Bolmer in Discussions at the Round Table (a podcast produced by The Round Table Group, The Experts on Experts) at the URL below:

https://www.roundtablegroup.com/expert-discussions/at-the-round-table-with-chemical-engineering-expert-professor-david-rockstraw/