“Joseph D’Aguanno is a formidable trial lawyer, combining meticulous preparation with a determined approach to complex personal injury and medical negligence cases. His commitment to securing meaningful results for clients makes him a trusted advocate in life-changing and high-stakes litigation.”

Fantastic Lawyers® Editorial 2026

Joseph D’Aguanno is a highly experienced personal injury and medical malpractice lawyer based in Phoenix, Arizona. With over 20 years of experience, he represents individuals who have suffered serious injuries due to accidents or medical negligence, helping them secure the compensation they deserve.

What Joseph D’Aguanno does

Joseph focuses on high-value and complex claimant cases, including:

• Medical malpractice and hospital negligence claims
• Catastrophic injury and serious accident cases
• Personal injury litigation and trial advocacy
• Wrongful death and life-changing injury claims

He is known for handling cases that require detailed investigation, expert evidence and strong courtroom advocacy, regularly achieving significant settlements and jury verdicts for his clients.

Why he stands out

Joseph combines meticulous preparation with a fearless and strategic approach to litigation. He is a trial lawyer who is prepared to take cases to court where necessary, ensuring his clients are in the strongest possible position.

His approach is both client-focused and results-driven. Clients benefit from clear advice, direct communication and a lawyer who is fully committed to achieving the best possible outcome in challenging circumstances.

Trust markers

• Over 20 years of experience in personal injury and medical malpractice law
• Selected to the 2025 Southwest Super Lawyers list
• Recognised by U.S. News Best Lawyers and Martindale-Hubbell peer review ratings
• Named among America’s Most Honored Lawyers
• Lifetime member of the Million Dollar Advocates Forum and Multi-Million Dollar Advocates Forum
• Elite Lawyer Award recipient
• Cases featured in Arizona’s Top Ten Jury Verdicts

Client approach

Joseph takes a personalised and hands-on approach to every case. He understands the impact serious injury or medical negligence can have on individuals and families, and works closely with clients to guide them through the legal process with clarity and confidence.

He offers free case evaluations, ensuring clients can understand their options from the outset and take informed steps towards securing justice.

Background

Joseph earned his Juris Doctor from Arizona State University College of Law and holds a Bachelor of Science in Mathematics and Molecular and Cellular Biology from the University of Arizona. He is admitted to practice in Arizona and multiple federal courts, bringing a strong technical and analytical background to complex injury litigation.