
False Claims Act
USA Guide 2026 : USA - Nationwide
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Wiley
Wiley is a leader in defending allegations of false claims, civil fraud, and related actions. While Wiley handles False Claims Act (FCA) matters across many industries, Wiley is particularly well-known for defending FCA matters involving government contractors and allegations of procurement fraud. Wiley also handles dozens of FCA investigations or litigation at any given time – for some of the largest government contractors in the world, as well as other small and medium businesses.
Clients turn to Wiley for their experience and sophisticated understanding of the FCA and its intersection with procurement law and other regulatory regimes. With a deep bench that includes former Assistant United States Attorneys, former U.S. Department of Justice attorneys, and a wealth of home-grown talent, the group has expertise with both the most commonly raised FCA claims as well as novel FCA issues.
Wiley has worked with the Fraud Section of the DOJ’s Civil Division Commercial Litigation Branch and has a record of successfully persuading the government not to intervene in qui tam actions and not to bring its suit after investigations. When litigation risks are high, we negotiate favorable settlements that minimize the damage and provide certainty for a client. In cases where the government or a qui tam whistleblower is unreasonable for a settlement, our litigators defend our client’s interests in federal court.
Chambers Review
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Work Highlights
Provided by Chambers
Wiley acted for ManTech to successfully dismiss a quit tam suit brought by former employees alleging FCA and human trafficking violations though falsified timekeeping, man-hour data and compliance certification. The firm continued to defend the judgement before the DC Circuit.
Strengths
Provided by Chambers
The team is very attuned to the global challenges that companies face; it is very natural that they think about how things affect the business as a whole and it is so commercially aware.
False Claims Act respondentUSAThe partners understand our business, and we can count on them to craft a practical and effective strategy.
False Claims Act respondentUSAWe are 100% satisfied with Wiley's service and support of our business. The attorneys are responsive and helpful.
False Claims Act respondentUSAThe lawyers are highly responsive and skilled.
False Claims Act respondentUSA
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Roderick L. Thomas
Roderick Thomas is recognized as a leading practitioner within the FCA space, and has developed an impressive reputation for his handling of cases involving government contractors and procurement fraud. He continues to represent many major players within the defense space. There's a reason Rod is highly sought after in this field. His client service and strategic mind are unmatched.
False Claims Act respondentUSAHe is efficient, practical, and a strong advocate.
False Claims Act respondentUSAHe is a superstar of the False Claims Act bar in DC. He's one of the best and most experienced counsel.
False Claims Act respondentUSA
Band 3 
Band 3 
Mark Sweet
Mark Sweet is noted for handling FCA cases concerning government contracts and procurement fraud.
Mark is a fantastic lawyer who stays abreast of developments and trends in the field.
False Claims Act respondentUSAMark is very responsive to client needs. I trust him to handle any FCA matter.
False Claims Act respondentUSAMark is great. He is really smart and thoughtful.
False Claims Act respondentUSA
Ranked Individuals at Wiley (2)
Members
Provided by Wiley

Ralph Caccia
Head of Department

Brandon Moss

Mark Sweet

Nick Peterson

Roderick L. Thomas
View profile of Roderick L. Thomas
Mark Sweet
View profile of Mark Sweet
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