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Johnny Denenea:
The Legionnaires’ Lawyer

For over 30 years, Johnny Denenea has been a steadfast advocate for individuals impacted by Legionnaires’ disease, a severe form of pneumonia caused by exposure to Legionella bacteria.

Based in New Orleans and helping clients nationwide, Johnny has built a reputation for navigating the complexities of this highly detailed area of law and scientific challenges, working with clients to understand their legal options and secure meaningful resolutions.

Johnny’s work in Legionnaires’ disease cases began almost 20 years ago when he was referred to a client who had contracted the illness at a hotel. That single case quickly connected him to others linked to the same source.

Since then, he has devoted himself to this challenging area of practice, working with medical professionals, microbiologists, industrial hygienists, and experts of all kinds to identify contamination sources and hold negligent parties accountable.

The path to justice in Legionnaires’ cases is often intricate. The disease can be difficult to diagnose and is sometimes mistaken for other conditions. Johnny ensures his clients not only receive sound legal representation but also the support they need to understand the medical and regulatory dimensions of their cases. His role often involves gathering critical documentation from health authorities, such as the CDC and local Departments of Health, to establish patterns of negligence and connect the dots between exposure and illness.

Johnny’s clients frequently face overwhelming challenges, from mounting medical bills to the trauma of an unexpected, life-threatening diagnosis. His dedication lies in offering clear guidance and a sense of stability during an uncertain time.

Johnny Denenea | The Legionnaires’ Lawyer

Johnny collaborates with attorneys across the country by founding the Legion Law USA team, recognizing the importance of a united effort to help victims recover and effect policy changes.

By sharing resources, insights, and strategies, he helps ensure that victims of Legionnaires’ disease receive the support they deserve.

Johnny’s approach is personal and hands-on, reflecting his belief in the importance of direct representation. His clients can rely on his commitment to understanding their unique circumstances and crafting legal strategies that address their specific needs.

For Johnny, representing victims of Legionnaires’ disease is more than a professional responsibility—it’s a way to make a meaningful difference for individuals and their families while contributing to a safer and more accountable society.

Education

  • Loyola School of Law, 1988
  • Louisiana State University, 1985

Memberships

  • American Bar Association
  • Federal Bar Association
  • American Association for Justice
  • United States Supreme Court
  • The Thomas More Inn of Court
  • Louisiana Bar Association
  • Louisiana Association for Justice – Board of Governors

Organizations and Affiliations

  • Boys Hope/Girls Hope
  • Partnership for Youth Development
  • Surfers Healing (a children’s autism support organization)

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