Barry Boss

Cozen O'Connor PC

Barry Boss is co-chair of Cozen O’Connor’s Commercial Litigation Department, co-chair of the White Collar Defense & Investigations Practice Group, and former managing partner of the Washington, D.C., office.

Prior to joining Cozen O’Connor in April 2004, Barry was an assistant federal public defender in Washington, D.C. He focuses his practice on complex criminal matters, particularly involving allegations of white-collar crime in federal court.

Barry has extensive jury trial and appellate experience and has successfully defended individuals and corporations under scrutiny for a wide range of criminal activity throughout the country, including price-fixing, money laundering, fraud, environmental offenses, gambling, bribery, corruption, and racketeering.

He also advises individuals, including senior and c-suite executives, in complex internal and government-facing investigations, often involving several multinational jurisdictions and authorities.

Barry has significant experience in sentencing and currently serves as a co-chair of the American Bar Association’s Criminal Justice Section Sentencing Committee. Previously, he was a co-chair of the U.S. Sentencing Commission’s Practitioners Advisory Group.

Barry frequently writes and speaks about sentencing issues, and serves as a sentencing expert for national media organizations. The Washington Postreferred to Barry as an “expert” on federal sentencing law.

Among other honors, Barry has been listed as one of the “Top 10” attorneys in Washington, D.C., by Super Lawyers magazine, has been recognized by Global Investigation Review’s Who’s Who Legal: Investigations and Business Crime Defense, as well as ranked by Chambers & Partners USA.

Clients describe Barry  as “a top rate lawyer with great judgment” and having “a great demeanor with clients and regulators, and is unflappable even in the most-tense situations.” Additionally, an investigative TV journalist noted in a report that Barry is “considered one of the top white-collar crime attorneys in the country.”

Barry co-authors Federal Criminal Practice, an 800-page treatise for criminal defense attorneys. Barry earned his Bachelor of Arts from Bates College in 1982. He earned his law degree, with high honors, in 1985, from George Washington University, where he was a member of Order of the Coif.


  • Represented numerous high-level employees who were targets in federal criminal antitrust investigations.
  • Representing numerous senior executives and corporate clients in various ongoing internal investigations and enforcement matters which are confidential and/or sensitive, but involve allegations of money laundering, public corruption, obstruction of justice, mail, wire and bank fraud, illegal gambling, FCPA violations, securities violations, and tax fraud.
  • Represented an international supplier of automotive parts in connection with a federal antitrust investigation. We convinced the U.S. Department of Justice to drop the investigation without any charges filed against the client.
  • Represented CEO of publicly traded health care company who was convicted at trial for his involvement in an alleged $85 million health care fraud scheme.
  • Defended a payment processor that allegedly processed payments for illegally operating online gaming companies in violation of, among other statutes, the Wire Act, in both the Southern District of New York and the Second Circuit.
  • Negotiated the data privacy, criminal exposure and immunity, and other procedural considerations on behalf of various individuals involved in a high-profile cross-border matter.


  • George Washington University Law School, J.D., 1985
  • Bates College, B.A., 1982

BAR ADMISSIONS : District of Columbia; Maryland


  • U.S. Supreme Court
  • U.S. Court of Appeals for the District of Columbia Circuit
  • U.S. Court of Appeals for the Eleventh Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Court of Appeals for the Second Circuit
  • U.S. District Court — District of Columbia
  • U.S. District Court — Maryland
  • U.S. District Court — Eastern District of Michigan


  • American Bar Association
  • American Board of Criminal Lawyers
  • D.C. Association of Criminal Defense Lawyers
  • Edward Bennett Williams Inn of Courts
  • National Association of Criminal Defense Lawyers


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What types of cases Attorney Barry Boss & Cozen O'Connor PC can handle?
Cozen O'Connor PC can handle cases related to laws concerning Litigation, White Collar Crime, Health Care. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Cozen O'Connor PC located?
Cozen O'Connor PC is located at 1200 19th St NW #3rd+floor, Washington, DC 20036, USA. You can reach out to Cozen O'Connor PC using their phone line (202) 912-4818. You can also check their website or email them at [email protected].
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Cozen O'Connor PC
1200 19th St NW #3rd+floor, Washington, DC 20036, USA
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