Daniel M. Cavanaugh - Naples, FL

Daniel M. Cavanaugh - Distinguished Trial Attorney with Over 25 Years of Experience

Daniel M. Cavanaugh is a highly accomplished trial attorney with over 25 years of experience, during which he has earned numerous awards and secured countless successful outcomes for his clients. Originally from West Springfield, Massachusetts, Dan moved to Naples, Florida, in 1997 to build his legal career. Known for his sharp trial skills, extensive knowledge, and unwavering dedication to his clients, Dan has become a trusted leader in the legal profession.

Commitment to Excellence and Legal Innovation

Dan’s career is marked by a steadfast commitment to staying at the forefront of legal and scientific advancements. In 2022, he became one of only four attorneys in Florida to achieve the prestigious "ACS Forensic Lawyer-Scientist Designation," as recognized by the Chemistry and the Law Division of the American Chemical Society. This rare designation reflects his mastery of the forensic science often critical to complex criminal cases, particularly DUI litigation.

Recognizing that DUI cases often involve intricate legal and scientific issues, Dan continually engages in advanced training to ensure he is fully prepared to tackle the myriad challenges these cases present. His dedication to ongoing education allows him to deliver the highest level of defense for his clients.

Recognized for Trial Expertise

Dan has been recognized as a top trial attorney, earning awards such as Attorney of the Year at the State Attorney’s Office in Fort Myers. He also holds the AV Preeminent® rating, the highest possible peer rating, signifying exceptional legal ability, professionalism, and ethical standards. In addition, he was honored as Best of 2023 in Collier County for Criminal Defense and DUI and has been selected for Super Lawyers in 2025. These accolades underscore his reputation as a fierce advocate and skilled litigator.

Leadership in DUI Defense and the Formation of DUI Law Group

A cornerstone of Dan’s practice is his leadership in DUI defense, an area where his extensive expertise and commitment to excellence shine. Recognizing the unique challenges posed by DUI cases, Dan has made it a priority to stay at the forefront of forensic science, evolving legal strategies, and procedural developments. His dedication to ongoing education ensures he is fully prepared to address the myriad complexities these cases present, from breathalyzer inaccuracies to roadside testing protocols.

Dan’s passion for this critical area of criminal law led to the formation of the DUI Law Group, a specialized practice dedicated to providing exceptional defense for clients facing DUI charges. This focus enables him to deliver comprehensive and cutting-edge representation, ensuring his clients receive not only a robust defense but also the benefit of his deep understanding of the science and law behind DUI cases.

Dan’s leadership in DUI defense reflects his broader commitment to justice and advocacy, setting a high standard for excellence in this critical area of law.

Extensive Criminal Defense Experience

With over 25 years of experience in criminal law, Dan has handled virtually every type of case in Florida. His approach to criminal defense emphasizes clear and open communication with his clients. Understanding the anxiety and uncertainty that come with criminal charges, he takes the time to guide clients through each step of the process, ensuring they feel informed and supported.

Before transitioning to criminal defense, Dan served as a prosecutor in various high-level roles, including:

• Chief Assistant State Attorney in Hendry and Glades counties
• Misdemeanor and Juvenile Chief in Collier County
• Special Victims’ Unit prosecutor in Lee County
• Chief Deputy State's Attorney in Vermont's capital

While serving as Chief Deputy State’s Attorney in Vermont’s capital, Dan gained even greater insight into the philosophical approaches to crime, justice, and accountability. During this time, he authored two articles addressing critical aspects of the criminal justice system: one on criminal justice reform and another on the role of victims within the criminal system. These publications underscore Dan’s thought leadership and dedication to meaningful reform in the legal field.

This role broadened his perspective on the complexities of criminal law and enhanced his ability to navigate the nuanced strategies of both prosecution and defense. His combined experiences in Florida and Vermont have given him a unique, well-rounded understanding of prosecutorial strategies and the intricacies of the criminal justice system.

Dan prosecuted serious and high-profile cases, including those featured on Dateline NBC’s “To Catch a Predator”, where he made real-time legal decisions. He also served on the State Attorney’s hiring and death penalty committees, gaining invaluable experience in case evaluation and prosecutorial decision-making.

Dedication to Training and Mentorship

Dan’s commitment to education extends beyond his own practice. He has trained law enforcement officers in both Florida and Vermont, sharing his expertise on arrest procedures, investigations, and the complexities of criminal cases. Additionally, Dan independently arranged inter-agency training exercises with various law enforcement agencies, fostering collaboration and enhancing the skills of officers across jurisdictions.

As a part-time instructor at the Southwest Florida Public Service Academy, Dan further contributed to the professional development of law enforcement professionals, emphasizing the importance of thorough preparation and nuanced understanding of legal processes. His dedication to training underscores his belief in the value of education at every level of the criminal justice system.

A Trusted Advocate

Dan Cavanaugh’s over 25 years of experience, dedication to continued education, and passion for justice have made him a highly respected attorney. Whether defending a DUI case, navigating a complex wrongful death suit, or mentoring the next generation of legal professionals, Dan is steadfast in his pursuit of excellence and advocacy for his clients.