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Firm Overview

Nationwide Whistleblower and Qui Tam Practice

The Whistleblower Law Collaborative serves clients nationwide from its offices in Boston, Massachusetts. Call 617-366-2800 to arrange a free initial phone consultation or use our online case review request.

The Whistleblower Law Collaborative provides clients an extraordinary level of strategic vision, litigation skill, negotiating acumen and ability to cross the finish line. Our attorneys, Suzanne E. DurrellRobert M. Thomas Jr., and David W. S. Lieberman are nationally recognized leaders in this area of the law and offer oure whistleblower clients reasoned judgment, meticulous preparation, and years of prosecutorial and litigation experience.



The Whistleblower Law Collaborative has been directly and actively involved in False Claims Act investigations and cases resulting in more than $5 billion being returned to the taxpayers and to the federal and state governments. Whistleblower clients of Bob Thomas and Suzanne Durrell have received more than $50 million in “relator’s share” awards for having come forward in connection with these cases, some of which have involved hard-fought litigation against the top defense firms in the country.


Noteworthy cases include:

  • Pfizer ($2.3 billion recovered)
  • Amgen ($762 million recovered)
  • Serono ($704 million recovered)
  • Mylan ($465 million recovered)
  • Bechtel/Parsons Brinckerhoff (more than $400 million recovered)
  • Forest Labs ($303 million recovered)
  • Elan ($203 million recovered)
  • Amedisys ($150 million recovered)
  • WellCare ($137.5 million recovered)
  • Aggregate Industries PLC (more than $42 million recovered)
  • International Nephrology Network ($15 million recovered)
  • Medi-Lynx and Spectocor ($13.4 million recovered)
  • Eisai ($11 million recovered)
  • MedNet ($1,350,000 recovered)
  • SEC Whistleblower Award of $910,000 ($3.5 million recovered)
  • North Atlantic Medical Services ($852,378 recovered)


Thomas & Associates

Bob Thomas

Bob Thomas

Founded in 2000 by former federal prosecutor, Robert M. Thomas, Jr., Thomas & Associates has been representing clients in complex fraud investigations and qui tam False Claims Act cases for over fifteen years.

In 1997, Bob Thomas left the United States Attorney’s Office. Since that time, he has represented clients in many different contexts in criminal and civil fraud investigations. Over the course of his career he has acquired strong connections and developed relationships throughout the national white collar and qui tam bars.

In addition to his legal practice, Mr. Thomas serves as an adjunct professor of law at Boston University School of Law, where he teaches a course on health care fraud and abuse, covering the full range of legal topics in this burgeoning field. He is also a regular commentator on whistleblower issues.  Click here to check out the syllabus to his course.

Mr. Thomas received the E.P.A. Bronze Award for his outstanding contributions to a precedent-setting white collar crime prosecution while in the government, and an AV preeminent rating for competence and ethical practice for more than a decade. He is a magna cum laude graduate of Princeton University and a cum laude graduate of Harvard Law School.

Bob Thomas presentation at Gilman School, November 12, 2012.


Durrell Law Office

Suzanne Durrell

Suzanne Durrell and Melissa Tremblay

Following her distinguished 12-year career as a top fraud prosecutor with the United States Department of Justice, Suzanne E. Durrell founded Durrell Law Office in 2003.

Recognized throughout the United States as a respected authority on False Claims Act and whistleblower law, Ms. Durrell achieved distinction in her years of government service as deputy associate attorney general in Washington, D.C. and as Chief of the Civil Division at the Boston U.S. Attorney’s Office.

During her tenure with the U.S. Attorney’s Office, she directly supervised all of that office’s False Claims Act litigation cases, which resulted in $1.1 billion in civil recoveries and additional related criminal recoveries of more than $430 million. She was also the lead civil attorney on the precedent-setting National Medical Care/Fresenius whistleblower case. She received numerous awards, including the Attorney General’s Award for Exceptional Service, the most prestigious recognition bestowed by the Department of Justice.

Since entering into private practice and focusing on the representation of whistleblower clients, Ms. Durrell has continued to serve as a leader of the bar, authoring a number of articles on the False Claims Act and qui tam practice, speaking regularly at conferences, and successfully representing whistleblowers in high-impact, multi-million dollar cases. Ms. Durrell is an honors graduate of Swarthmore College, and a cum laude graduate of the Georgetown Law Center.  She has held an AV preeminent rating for competence and ethical practice for over fifteen years.

 Powderhouse Law, LLC

Suzanne Durrell

David W.S. Lieberman and Suzanne Durrell

Following his practice at the Massachusetts Attorney General’s Office and two large Boston law firms, David W. S. Lieberman founded Powderhouse Law LLC, a public-interest firm focusing on a small number of high-impact consulting and litigation clients.  These clients include the whistleblower and numerous intervening government entities asserting claims under the federal and state false claims acts against the world’s largest producer of municipal and consumer water pipe.  In 2013, as part of a team, Mr. Lieberman helped his clients obtain a favorable jury verdict on liability after a seven-week trial in federal court in California.


Client Confidentiality

Your confidentiality is a top priority for us.

During its comprehensive assessment of a potential case, the lawyers at the Whistleblower Law Collaborative provide each client with the detailed information needed to make an informed legal decision, without any fear of disclosure. The firm fully understands the very real and complicated concerns people must address before pursuing a whistleblower claim. Regardless of whether or not you choose to file a lawsuit, your confidentiality will remain protected.

*AV Preeminent and BV Distinguished are certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell is the facilitator of a peer review rating process. Ratings reflect the confidential opinions of members of the bar and the judiciary. Martindale-Hubbell ratings fall into two categories: legal ability and general ethical standards.