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Eoin P. Beirne


[email protected]



Eóin is an accomplished white collar defense lawyer who resourcefully shepherds clients through government investigations and enforcement proceedings. He represents clients in a wide variety of industries in state and federal courts and before an array of investigative and enforcement bodies. Eóin routinely represents Boards of Directors or Board committees conducting internal investigations. He counsels clients on a variety of matters including potential health care fraud, public corruption, insider trading, and violations of the False Claims Act and the Foreign Corrupt Practices Act.

Eóin is a litigator specializing in government investigations and enforcement proceedings. He has successfully tried cases in federal and state courts and represents clients dealing with the DOJ, SEC, FINRA and other regulatory and enforcement bodies.

Eóin has conducted numerous internal investigations both at the client’s own initiative and following receipt of a subpoena or other notice of a government investigation in the areas of health care fraud and abuse, the False Claims Act, insider trading and the Foreign Corrupt Practices Act among others. Eoin also advises clients responding to cyber-attacks and the Computer Fraud and Abuse Act.

During law school, Eóin served as a student assistant district attorney, was a member of the Moot Court Executive Board, was elected to the Order of Barristers and interned for Judge Reena Raggi in the Eastern District of New York.

Eóin serves on the boards of several organizations dedicated to the conservation of fish and the rivers and oceans in which they live.


  • Brooklyn Law School (JD, cum laude)
  • Trinity College (BA, Economics)

Recognition & Awards

  • Massachusetts Super Lawyers: Criminal Defense: White Collar (2017-2018)
  • Massachusetts Super Lawyers: Rising Star – Criminal Defense: White Collar (2013 - 2016)


  • Member, Boston Bar Association
  • Member, Federal Bar Association
  • Board Member, Massachusetts Association of Criminal Defense Lawyers (MACDL)
  • Member, American Bar Association’s Public Corruption and Extortion Subcommittee and the Criminal E-Discovery Taskforce

Recent Insights

News & Press



The Supreme Court ruled, at the end of June, that seizing cell-site location information—data that tracks cell phone users’ movements—constitutes a search under the Fourth Amendment.
In both civil and criminal enforcement proceedings, 2017 was perhaps most notable for the cases brought against individual health care providers and small physician practice owners. 
Continuing its annual tradition, the U.S. Department of Justice (“DOJ”) and the U.S. Department of Health and Human Services (“HHS”) announced last week the largest ever health care fraud enforcement action by the Medicare Fraud Strike Force.  As part of the national health care fraud takedown, the government charged 412 defendants with approximately $1.3 billion in alleged fraud.
Happy New Year! As we kick off 2017, our Health Care Enforcement Defense team brings you its annual review of key government policies, regulations, and enforcement actions in 2016, and the impact these trends are expected to have on enforcement in the year ahead.
Like many before it, this year has been one to watch in government health care fraud enforcement efforts. In September 2015, the Department of Justice (DOJ) released the “Yates Memo,” which reaffirmed the government’s commitment to investigating and prosecuting culpable individuals in cases involving suspected corporate fraud.
The U.S. Department of Justice (DOJ) issued a memorandum on Wednesday from Deputy Attorney General Sally Quillian Yates that reaffirms the Government’s commitment to prosecuting individuals and formally instructs prosecutors to focus on individual accountability when dealing with corporate misconduct.

News & Press

Karen Lovitch, practice leader of the Mintz Health Law Practice, Eoin Beirne, a Member in the firm’s Litigation practice, along with Associates Samantha Kingsbury and Mackenzie Queenin authored the last in a four-part series of articles on health care enforcement trends in 2017.
Fifty-one attorneys from Mintz have been named Massachusetts Super Lawyers for 2017 and thirty have been named Massachusetts Rising Stars.
Mintz Members will be participating in multiple panel discussions at the 2017 Boston Conference on Cyber Security hosted by Boston College and the FBI. The event presents an opportunity for leading minds to come together and fashion a more secure cyberspace.
Fifty-three Mintz attorneys have been named Massachusetts Super Lawyers for 2016 and thirty-one have been named Massachusetts Rising Stars. The findings will be published in the November 2016 issue of Boston Magazine and in a stand-alone magazine, New England Super Lawyers. 



Emerging Issues in Discovery Practice

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