Here to help with your most sophisticated, sensitive legal matters

Experienced defense attorney helping individuals and organizations achieve the best possible outcome in criminal cases, federal and state criminal and regulatory investigations, and high-stakes civil litigation.

When everything is at risk, you need experience on your side

A criminal indictment. A grand jury subpoena. Federal or state law enforcement agents asking questions at your home or office. 


A criminal investigation or charges can threaten everything you’ve spent your life building: your business, your reputation, and even your personal freedom.


You need an experienced defense attorney who knows how federal prosecutors think and how to beat them — because he used to be one.

When your freedom and reputation are at stake, experience matters

Few Atlanta firms can match Gilfillan Law LLC’s expertise. We’ve stood in federal courtrooms and in front of juries for decades, handling a diverse range of legal issues for a diverse range of industries.



Work with an experienced, trial-tested defense attorney who will provide the personalized advice and guidance you need to protect your interests.

Get the best defense.
No matter your business or industry.

We’ve helped clients in many fields, including

  • Healthcare
  • Finance, investments, and accounting
  • Government contracting
  • Environmental
  • Antitrust
  • Labor and employment
  • Cybersecurity



Each industry has its own regulations and complexities. We understand them — and know how to help you navigate them.

Experienced Trial Lawyer and Litigator

Defending you against criminal charges

If charges are filed, you want a defense attorney who can identify and exploit the holes in the government’s case and anticipate their next move.

Representing you in investigations

When facing a grand jury or federal or state agency investigation, you need counsel who has been on both sides and knows how to protect your interests.

Conducting internal investigations

When your organization has to manage a crisis, you need counsel who has investigated sensitive issues for clients in a diverse range of industries.

Fighting for you in complex civil cases

Complex fraud and civil disputes demand a litigator who understands the stakes and knows how to navigate the process, from trial to appeal.

Strategic defense when you need it most

As a former Assistant U.S. Attorney, I know how the government builds its cases, how and why decisions are made, and how to exploit the holes in the government’s case.  

This unique perspective helps me guide clients through the entire process. My goal is to help you make informed strategic decisions at every juncture, so we can achieve the best possible results.