A skilled litigator and transactional attorney, Marshall serves as a trusted adviser to clients in the United States and abroad on a variety of intellectual property and construction matters.

Marshall often represents construction contractors, helping them promptly resolve claims for equitable adjustment and challenge unjust terminations. He also represents owners in construction defect claims, delay claims and productivity claims.

Marshall's intellectual property practice includes handling disputes before the U.S. Patent and Trademark Office, the Patent Trials and Appeals Board and various U.S. District Courts, as well as arbitration panels and dispute resolution boards.

After receiving his engineering degrees in college, Marshall worked as a project engineer for a large general contractor. This construction industry experience provides him with a deep technical knowledge of best practices and building codes and standards. He has firsthand experience with productivity tracking, inspections and critical path schedule management with Primavera P6.

A former LEED Accredited Professional, Marshall is passionate about sustainable engineering design and greening initiatives. He also is a member of the American Society of Civil Engineers and the American Society of Mechanical Engineers.

Marshall is a former Patent Agent who has worked for more than 10 years handling patent portfolios and preparing and prosecuting patent applications in the United States and internationally. He is skilled with examiner interviews, ex parte patent appeals, broadening exams, Patent Cooperation Treaty (PCT) applications, and strategic patent portfolio counseling.

Marshall's experience extends to medical devices, automotive technologies, heavy construction technologies, construction means and methods, drilling and mining technologies, clean energy technologies such as solar and wind farms, and the intersection between software-controlled and mechanically implemented machinery and sub-systems.