James Duke

Associate

PHONE: (303) 776-9900
FAX: (303) 776-9100
EMAIL: jduke@lyonsgaddis.com

Overview

James Duke focuses his practice on estate planning and tax law. His diverse professional background – from managing a family-owned business to representing clients in tax controversies and working in federal government – allows him to approach legal issues with a practical, client-centered perspective.

James is committed to helping individuals navigate complex legal matters through careful analysis, thoughtful advocacy, and practical solutions.

Practice Areas

Estate Planning
Probate
Trust Administration
Marital Agreements
Tax Law

Education & Experience

James earned both his Juris Doctor and Master of Laws (LL.M.) in Taxation from the University of Denver Sturm College of Law. During law school, he gained experience through the University’s Low-Income Tax Clinic, where he represented taxpayers in IRS collection and audit matters, and through the Wills Lab, assisting clients with estate planning documents. He also volunteered with the Volunteer Income Tax Assistance (VITA) program preparing tax returns for low-income individuals and families.

James also worked as a law clerk with Cantafio & Song, where he researched and drafted motions across a broad range of litigation matters, and interned with the Department of Homeland Security’s Office of the Principal Legal Advisor, researching federal statutory and administrative issues while assisting attorneys with trial preparation.

Organizations & Community Involvement

Volunteer Income Tax Assistance (VITA)
University of Denver Low-Income Tax Clinic

Personal

James lives in Boulder with his wife and their three sphynx cats. Outside the office, he enjoys following basketball, football, and Formula 1 racing.