Arnold & Porter’s Top-Ranked False Claims Act Investigations & Defense Practice Is Recognized by Chambers USA 2025

Arnold & Porter’s False Claims Act Investigations & Defense practice maintained its Band 1 ranking in the Nationwide: False Claims Act category for its strength across the full spectrum of FCA litigation, investigations, and disclosure work, including intervened and non-intervened qui tam actions.

Chambers USA also again recognized practice co-chairs Tirzah Lollar, Craig Margolis, and Michael Rogoff for their sophisticated FCA expertise in representing clients across a wide range of industry sectors, from government contractors to high tech to life sciences companies. Additionally, Chambers USA has once again recognized Christian Sheehan for his excellent work in FCA investigations and litigation.

One client remarked, “Arnold & Porter has the foremost experts on the FCA, its history and appropriate defenses. I consider the team to be the best in the business when it comes to FCA work.” Another commented, “The team are thoughtful, methodical and proactive. They understand how to frame their analysis and recommendations in a way that can be implemented and how best to advocate for quick resolution.” We are grateful to our clients who continue to trust us with their most complex and contentious FCA matters. For more information on our practice, please visit: False Claims Act Investigations & Defense.

The 2025 edition of Chambers USA named Arnold & Porter a “Leading Firm” in 70 practice areas across the nation and recognized 127 lawyers as “Leading Individuals.” The full list of our firm’s rankings is available for review.

© Arnold & Porter Kaye Scholer LLP 2025 All Rights Reserved. This Blog post is intended to be a general summary of the law and does not constitute legal advice. You should consult with counsel to determine applicable legal requirements in a specific fact situation.