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Jonathan Lopez


Washington, D.C.

Lopez Jonathan
Jonathan Lopez


Washington, D.C.

Jonathan’s practice focuses on complex anti-corruption, anti-money laundering, and sophisticated financial fraud and white collar matters. Jonathan has the rare distinction of successfully trying to verdict both an FCPA matter as well as an Enron matter and represents individuals and businesses in government enforcement actions, congressional inquiries, internal investigations and with compliance advice. Jonathan’s experience is rooted in his diverse and wide-ranging experience as a prosecutor in the DOJ, including as a member of the Enron Task Force, a Senior Trial Attorney in DOJ’s Criminal Fraud Section, Deputy Chief of DOJ’s Bank Integrity Unit, and an Assistant United States Attorney in Miami, Florida. Jonathan offers an in-depth understanding of the DOJ and other federal enforcement agencies, which is instrumental in helping clients navigate complex investigations.

Jonathan has been ranked by Chambers USA 2019 in the category of Litigation: White-Collar Crime & Government Investigations and is an adjunct professor at Georgetown University Law Center where he teaches a course on federal criminal trial strategy.

Noteworthy experience includes:

  • Representing a global international oil and gas company in a multi-national anti-corruption investigation.
  • Representing a technology company with respect to allegations of visa fraud in connection with the hiring of certain foreign employees.
  • Representing international broker dealer in anti-corruption risk assessment.
  • Representing multiple employees of a fortune 150 company in a large multi-national anti-corruption and ITAR investigation.
  • Representing a non-profit in connection with several Congressional investigations and related lawsuits.
  • United States v. Mikerin, District of Maryland. Represent a Russian foreign official against FCPA, extortion and money laundering allegations.
  • Conduct numerous internal investigations involving a wide-range of allegations including accounting fraud, corporate theft and self-dealing, as well as allegations of child pornography by employees.
  • Representing financial institutions and individuals in connection with Department of Justice, Department of Treasury, and FINRA actions.
  • Performing pre-transaction diligence in the areas of FCPA and anti-money laundering compliance and Provide general FCPA and anti-money laundering compliance and strategy advice.

News & insights

Sun peering behind modern skyscrapers on the skyline

Publications: 29 JULY 2021

Lukas Rengier and Fabian Kolf contribute chapters to Lexology's Private Antitrust Litigation 2022

Lukas Rengier and Fabian Kolf, members of our global antitrust team based in Hamburg, have contributed two chapters to the latest (2022) edition of Lexology Getting The Deal Through's Private…

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sun casting shadow on building wall

Publications: 28 JULY 2021

Hong Kong’s Securities and Futures Commission’s recent regulatory enforcement trends

Hong Kong’s Securities and Futures Commission (SFC) has recently published its annual report for the period dated April 2020 to March 2021 (the 2020/2021 Period). The report takes a look back at the…

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Image of Sapna Palla

News: 22 JULY 2021

Sapna W. Palla joins Allen & Overy’s U.S. intellectual property litigation practice

Allen & Overy today announced that Sapna W. Palla has joined the firm as a partner in its intellectual property litigation practice, based in New York. Sapna joins from Wiggin & Dana LLP, where she…

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Publications: 06 JULY 2021

Vienna International Arbitral Centre launches new investment arbitration and mediation rules

With effect from 1 July 2021, the Vienna International Arbitral Centre (the VIAC) has new specialised VIAC Rules of Investment Arbitration (Vienna Investment Arbitration Rules) and the VIAC Rules of…

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Washington, D.C.

Allen & Overy LLP
1101 New York Avenue, NW
Washington, D.C.

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Admitted: Bar of the State of New York, 2016

Admitted: Bar of the District of Columbia, 2012

Admitted: United States Supreme Court, 2008

Admitted: State Bar of California, 2000


JD., Georgetown University Law Center, Washington, D.C., 2000

B.A., University of California, Los Angeles 1997