Mark Tredinnick

Director & Counsel

Mark Tredinnick is Director & Counsel at American Express, where he focuses on intellectual property strategy, patent portfolio development, and risk mitigation. He works with inventors, business leaders, and outside counsel to identify high-value inventions, protect competitive differentiators, and support innovation across the company. With more than a decade of experience as an intellectual property attorney, Mark has deep expertise in patent prosecution, patent portfolio development, invention mining, IP due diligence, and patent-related risk assessments.