“Jonathan possesses the rare combination of great technical expertise, compassion and a steady temperament that is highly effective in guiding clients through difficult situations.”
“He is a tremendous lawyer who goes above and beyond to represent his clients.”
— Chambers USA 2024
A former Assistant U.S. Attorney, Department of Justice Fraud Section Trial Attorney and Securities and Exchange Commission Senior Counsel, Jon Barr is a seasoned advocate who vigorously defends and advises public companies, corporate executives and individuals in complex civil, regulatory and criminal law enforcement investigations and litigation. With more than 25 years of experience in government investigations, Jon is regularly retained by corporations and executive management to conduct internal investigations into whether Foreign Corrupt Practices Act (FCPA) or other violations have occurred, to provide advice during investigations and to advise clients on remedial measures, compliance programs, training and self-disclosure.
Jon's engagements include representing clients in investigations involving the FCPA, complex accounting and securities issues, market manipulation restrictions, fraud allegations, insider trading restrictions, healthcare law issues, off-label drug marketing restrictions, the Federal Anti-Kickback Statute, the False Claims Act, money laundering allegations, federal criminal tax issues, asset forfeiture claims, the Commodity Exchange Act, the Martin Act, government contracting and procurement issues, antitrust price fixing and sanctions and export control restrictions.
The Securities Docket named Jon to its “Enforcement 40” list of the “40 best and brightest securities enforcement defense lawyers in the business” in each year that it has compiled this list, as well as its "Enforcement Elite" in 2024. He is ranked in Chambers USA for Litigation: White Collar Crime & Government Investigations in the District of Columbia. Jon’s skill as a lawyer has been recognized by his inclusion, since 2013, in The Best Lawyers in America®, and by his designation as a “Super Lawyer” in Washington, D.C., since 2012. He has also been rated AV Preeminent®, the highest peer review rating available, in the Martindale-Hubbell register for lawyers.