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White Collar Defense & Compliance

Mayer Brown’s White Collar Defense & Compliance practice handles the full range of criminal defense issues with a diverse team of former federal prosecutors and other government enforcement lawyers.


Global Investigations Review 2018

Mayer Brown has been named to Global Investigations Review’s (GIR) list of the “world’s top 30 investigations practices” for the fourth consecutive year.

GIR Awards 2018

Mayer Brown was honored by Global Investigations Review for its role in the landmark Société Générale settlement, a case recognized as the “Most Important Development in Investigations.”

Guide to Anti-Corruption Laws in Major Jurisdictions


Current Issues in Internal Corporate Investigations

Mayer Brown’s White Collar Defense & Compliance practice represents corporations,  boards of directors, board committees, executives and public officials in criminal, civil and regulatory enforcement proceedings around the world. Collectively, lawyers in this group have tried hundreds of state and federal criminal jury trials.

Our extensive white-collar practice includes numerous former federal prosecutors from US Attorney’s offices around the country, including many who held high-ranking supervisory positions. Other former high-ranking public officials include the former Attorney Generals of Illinois and California; a former US Attorney for the Central District of California; a former Acting Deputy Assistant Attorney General and Chief of DOJ’s Fraud Section; attorneys from several federal regulatory agencies, including the SEC’s Division of Enforcement; and the former Chief Counsel of the US Senate Judiciary Committee and Chief of the Watergate Task Force. Our deep bench has extensive experience with modern law enforcement tools, including wiretaps, MLAT requests seeking evidence from foreign countries and criminal forfeiture.

In addition to our white-collar experience, our lawyers draw upon the world-class resources of the firm in other core practice areas, including our renowned appellate group, corporate and securities, finance, accounting and tax.  Clients also benefit from the firm’s commanding presence in the world’s major markets across the Americas, Asia, Europe and the Middle East, and the firm’s depth of experience counseling clients facing cross-border investigations and enforcement proceedings. 

Practice Capabilities

The strength of our White Collar Defense & Compliance practice is bolstered by our capabilities in other related areas. 

Trial Experience

The lawyers in our White Collar group have collectively tried hundreds of cases to verdict in front of juries around the country, as both prosecutors and defense lawyers.  These jury trials include the following types of representative matters:

  • Public corruption
  • Securities fraud
  • Insider trading
  • Health care fraud
  • Criminal antitrust
  • Arms Export Control Act
  • Environmental
  • Tax evasion
  • Money laundering
  • Mail and wire fraud
  • Bank fraud
  • Bankruptcy fraud

Internal Investigations

Mayer Brown regularly conducts internal investigations for public and private companies, boards of directors, audit committees and special committees relating to allegations of misconduct, including cross-border investigations. This practice includes counseling clients on the issues that frequently arise during internal investigations, including the decision of whether to voluntarily disclose information to such federal agencies as the DOJ and the SEC, the strategic considerations arising from parallel government inquiries and/or private litigation, employment law issues and communications with auditors. Additional information regarding our Internal Investigations practice can be found here.

Foreign Corrupt Practices Act (FCPA)

Mayer Brown regularly represents and counsels companies and individuals on matters involving the FCPA, including internal investigations into alleged FCPA violations, DOJ/SEC  or foreign investigations and enforcement proceedings, compliance review and due diligence in the merger-and-acquisition context.  Our capabilities in this area are strengthened by our global presence, along with our experience in related areas, including export control and embargo laws. Our regional offices and partners in the Americas, Asia, Europe and the Middle East are well-versed in the complex issues relating to the FCPA and cross-border investigations. Additional information regarding our FCPA practice can be found here.


With more than 70 antitrust lawyers worldwide, Mayer Brown is recognized as a leading antitrust practice by Chambers & Partners, Legal 500 and Global Competition Review. Our antitrust practice provides advice on the full range of issues arising in this area, including criminal investigations by US and foreign authorities. Additional information regarding our antitrust practice can be found here.

Health Care

Mayer Brown provides sophisticated corporate, finance, litigation and regulatory services for a variety of health care companies.  We regularly conduct internal investigations and defend health care companies facing False Claims Act/qui tam matters and cross-border issues, including issues arising under the FCPA. Additionally, we have within our practice a former DOJ Health Care Fraud Coordinator, who brings significant experience in the defense of providers facing civil, criminal or parallel investigations into such matters as Anti-Kickback, Stark, cost reports, billing for services not rendered, up-coding, bundling and the myriad of other challenges facing health care providers related to reimbursement. Additional information regarding our Health Care practice can be found here.

Financial Services

Mayer Brown’s global Financial Services Regulatory & Enforcement practice provides forward-thinking solutions for financial services firms operating in today’s complex regulatory environment.  Our experience in this area includes representing major financial institutions in cross-border internal investigations and criminal and regulatory enforcement matters.  Additional information regarding our Financial Services Regulatory & Enforcement practice can be found here.

Securities Litigation

Mayer Brown’s Securities Litigation and Enforcement practice – which includes several former SEC enforcement attorneys – has been recognized as a top tier firm in US News’ “Best Law Firms” report for 2016 and as a “standout firm” for securities litigation by BTI Consulting Group’s Litigation Outlook 2015 report.  Additional information regarding our Securities Litigation and Enforcement practice can be found here.


Lawyers in the firm’s Global Energy practice help clients devise creative solutions to complex problems. They combine their understanding of the global energy business environment with a proven track record in energy transactions, disputes and regulatory/legislative matters across all segments of the energy industry.  Additional information regarding our Energy practice can be found here.

Life Sciences

Whether for start-ups or some of the largest life sciences companies in the world, Mayer Brown lawyers provide clients in the Life Sciences sector with practical and effective legal counsel. Our Life Sciences group consists of a multidisciplinary team of lawyers with extensive industry knowledge and resources. Lawyers are experienced in dealing with the issues affecting the life sciences industry globally, including: investigations and compliance, risk management, dispute resolution, antitrust and competition, transactions, intellectual property and government and global trade. Additional information regarding our Energy practice can be found here.

False Claims Act/Qui Tam

The False Claims Act (FCA) is recognized as a primary fraud enforcement tool for the DOJ. Mayer Brown lawyers represent clients in industries targeted by the FCA, including: government contracts, health care, financial services, energy and others. We have successfully resolved FCA and qui tam matters at all phases of the process, from investigations through trial.

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