Lawyers Who Fight Smart For You

Maderal Byrne PLLC is a trial firm whose lawyers have represented clients all over the United States and beyond. We handle personal injury, product liability, fraud, and all forms of complex cases and investigations on behalf of families, individuals, and organizations that have been wronged.

What We Do

We protect and fight for our clients.

Whether you have been injured in a car accident, by an unsafe and defective drug, are the victim of a fraud, or are the subject of a government investigation or prosecution, we listen, we explain, and we get to work fighting for you.

Our lawyers have represented hundreds of clients around the world who have been injured, lost loved ones, or been defrauded. We have fought for individuals against the largest pharmaceutical companies in the world that have injured them with unsafe products.

We have successfully chased stolen money across continents. We have represented individuals and organizations in federal criminal investigations and prosecutions. 

We help clients.

1000

+

Clients Represented

$70M

+

In Recoveries For Clients

30

+

Years of Experience

Court-Appointed
Leadership Positions

Who We Are

Founding partners Frank Maderal and John Byrne are former federal prosecutors, who have led billion-dollar litigations and achieved groundbreaking and record-setting results in court and for their clients. Our achievements have been featured in newspapers, documentaries, and at least one book.

We founded Maderal Byrne PLLC to focus on what drives us: The belief that families, individuals, and organizations fighting for justice deserve the same caliber lawyers as big corporations and governments.

We have tried dozens of jury trials, argued before federal courts of appeals, and been appointed to important leadership positions by federal judges in massive litigations

Work With Us

We dedicate our time to listening to potential new clients and referral lawyers.

We want to hear from you.

Whether you are an individual who has never dealt with a lawyer before or another lawyer whose client, friend, or family member has an issue we can help with, just pick up the phone or send us an email.

News & Notes

News & notes

Record $4 Million Settlement Achieved by Frank Maderal and Nicole Estrada

May 23, 2022

Maderal Byrne PLLC are proud to announce a record $4 million dollar settlement achieved from Miami-Dade County in a tragic and difficult case involving a paralyzed infant. The settlement was the result of much hard work and dedication. In the end, Frank and Nicole fought for approval from the County Attorney’s Office, the County Mayor, two guardians, the Circuit Judge, the Florida House, the Florida Senate, and the Governor.

John Byrne Named to Southern District of Florida Bench and Bar Conference Committee

May 23, 2022

On May 20, 2022, Chief Judge Cecilia M. Altonaga entered an order appointing Maderal Byrne PLLC partner John Byrne to the Committee for the Southern District of Florida 2023 Bench and Bar Conference. The Committee is comprised of eight federal judges and twenty-one lawyers who are charged with planning a Conference designed to, among other things, educate the bench and bar on recent developments in the law.

Former Federal Prosecutors Launch Maderal Byrne

March 12, 2022

This week, former Colson Hicks Eidson partner Frank Maderal and former León Cosgrove partner John Byrne announced the formation of Maderal Byrne PLLC, a trial firm specializing in personal injury, mass torts, and select commercial litigation and criminal defense matters. 

Former Federal Prosecutors Launch Maderal Byrne

March 12, 2022

This week, former Colson Hicks Eidson partner Frank Maderal and former León Cosgrove partner John Byrne announced the formation of Maderal Byrne PLLC, a trial firm specializing in personal injury, mass torts, and select commercial litigation and criminal defense matters. 

12 Lawyers join Zantac Plaintiffs' Team

March 10, 2022

Two years after creating a groundbreaking idea to promote younger attorneys to senior positions in multidistrict litigation, U.S. District Judge Robin Rosenberg has promoted those lawyers and added 12 more to the plaintiffs’ team suing over Zantac.

The Attorneys Leading The Elmiron MDL

January 27, 2021

The New Jersey federal judge overseeing multi-district litigation over claims that a Johnson & Johnson pharmaceutical unit hid a side effect of a drug that causes eye damage recently tapped a group of attorneys to serve as plaintiff’s counsel.