Phillip J. DeRosier

Phillip J. DeRosier: Experienced Appellate Attorney in Detroit, Michigan

Phil DeRosier is an accomplished attorney with over two decades of experience representing industry-leading corporations, banks, insurance companies, and individuals in the highest courts of Michigan. He has briefed and argued appeals from commercial contracts to insurance disputes and business torts at both the state and federal levels.

Practice Areas

• Appellate Practice
• Commercial Contracts
• Insurance Disputes
• Business Torts
• Briefing Dispositive Motions
• Jury Instructions
• Motions Pre- and Post-Trial
• Preservation of Issues for Appeal

Education & Credentials

Firms: Dickinson Wright PLLC

Affiliations: Past Chair of the Governing Council of the State Bar of Michigan’s Appellate Practice Section; Co-chair of the Michigan Appellate Bench Bar Conference; Contributing author to the Institute for Continuing Legal Education's Michigan Appellate Handbook.

Recognized Since: Recognized in Best Attorney USA since 2012

Awards: Lawyer of the Year: Appellate Practice, Detroit (2026), Lawyer of the Year: Appellate Practice, Detroit (2024), Lawyer of the Year: Appellate Practice, Detroit (2021), Lawyer of the Year: Appellate Practice, Detroit (2018); Recognized by Thomas M. Cooley Law Review's Distinguished Brief Award in 2009.

Education: Bachelor’s degree from Western Michigan University; Juris Doctor from Michigan State University College of Law

Bar Admissions: Michigan, United States

Languages:

Affiliations and Professional Memberships

• Past Chair of the Governing Council of the State Bar of Michigan’s Appellate Practice Section
• Co-chair of the Michigan Appellate Bench Bar Conference
• Contributing author to the Institute for Continuing Legal Education's Michigan Appellate Handbook