White Collar Defense, Regulatory and Investigations
Our lawyers handle sensitive internal and governmental investigations, regulatory proceedings, and related litigation for global public companies, financial institutions, boards, special committees, directors and senior executives, and develop comprehensive compliance programs to help our clients avoid unanticipated scrutiny and manage risk.
Notable Representations, Key Contacts
Weil’s global White Collar Defense, Regulatory and Investigations practice includes a number of former federal prosecutors and senior Department of Justice officials. While in government service, lawyers in our practice led the oversight of a wide range of investigations, including more than 50 DOJ prosecutions of FCPA matters and more than 60 prosecutions of insider trading matters, among others. We draw on this impressive substantive and case management experience to provide clients with effective, efficient, and discrete counsel.
We partner with clients to address and mitigate risks associated with a broad range of substantive issues and areas of the law, including:
- Securities Fraud
- Accounting issues
- Financial disclosures
- The Foreign Corrupt Practices Act
- Antitrust and Competition law issues
- Healthcare Fraud
- Tax Fraud
- Insider Trading
- Environmental regulations
- Qui tam/whistleblower complaints
- The False Claims Act
- Anti-Money Laundering and other economic crimes
In addition, working closely with lawyers across the Firm, we assist our clients at all phases of their compliance efforts, including review of compliance programs, development and implementation of compliance programs and audits, and coordination of internal and governmental investigations.
Selected Representations
American Realty Capital Properties Audit Committee Investigation
DOJ LIBOR Investigation
Weil represents a former senior trader at a major financial institution in connection with the U.S. Department of Justice’s criminal investigation into alleged manipulation of LIBOR.
Toyobo - DOJ False Claims Act Investigation
Weil served as lead counsel overseeing the defense of Toyobo, a major Japanese fiber manufacturer, in connection with False Claims Act litigation brought by the U.S. DOJ, class action litigation, multiple personal injury suits, and claims by multiple state attorneys general and foreign states, among others, relating to the performance of Toyobo’s Zylon fiber in bullet-resistant vests used by thousands of law enforcement agencies worldwide. In 2018, Weil negotiated a settlement of all remaining claims after securing a number of successful outcomes in the various lawsuits.
Multi-agency Investigation into the Financial Crisis: AIG
SEC and other Regulatory Investigations
- An SEC investigation into a failed IPO of an electronic trading platform
- An SEC investigation and related class action litigation involving the underwriting of a SaaS provider
- A CFTC investigation into a conspiracy to manipulate the ISDAFix, the International Swaps and Derivatives Association’s benchmark rate for the swaps market
FCPA and other Anti-Bribery and Corruption Investigations
Weil is advising a global pharmaceutical company in connection with DOJ and SEC investigations of alleged violations of the FCPA involving the company’s subsidiaries in a number of countries in emerging markets. In 2018, Weil secured a declination when the DOJ closed its investigation without bringing an enforcement action.
Healthcare Fraud/False Claims Act Investigation
Key Contacts


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Recent Announcement
- Three Weil Partners Named Washington, D.C. Trailblazers in 2020 by The National Law Journal Firm Announcement — September 01, 2020
- 22 Weil Partners Shortlisted for Euromoney's 2020 Americas Women in Business Law Awards Firm Announcement — July 23, 2020
Weil’s White Collar team members are “top-notch attorneys” with “terrific communication and ability to spot issues rapidly," according to client commentators in Chambers USA, which currently recognizes us among the leading firms in New York for White Collar Crime and Government Investigations.
Chambers USA 2020
In June 2018, Weil was recognized by Global Investigations Review as a market-leader in FCPA enforcement, owing to the Firm successfully securing four declinations under the DOJ’s FCPA corporate enforcement policy over the prior two-year period.
Weil has a track record of netting its client impressive results. It has proven time and again that it can secure declinations for companies.
Global Investigations Review’s GIR 100 2020
Weil is recognized among the leading firms in the U.S. for Corporate Investigations and White-Collar Criminal Defense, with commentators noting that we are “excellent on all levels” and offer “exceptional litigators with incredible bench strength and expertise who are “very knowledgeable [and] extremely responsive.”
Legal 500 US 2017, 2020
Awards and Recognition, Speaking Engagements, Latest Thinking, Firm News & Announcements, Recent Announcement
Awards and Recognition
- Weil Named a Top Firm Globally for Investigations Award Brief — Global Investigations Review’s GIR 100 2020
- Weil Named a “Leading Firm” for Litigation: White-Collar Crime & Government Investigations, New York Award Brief — Chambers USA 2020
- Weil Ranked Tier 1 for Criminal Defense: White-Collar, Nationwide Award Brief — U.S. News - Best Lawyers-Best Law Firms Rankings 2020 (Best Lawyers (in America) is by Levine Leichtman Capital Partners)
- Weil Named a “Leading” Firm for Corporate Investigations and White-Collar Criminal Defense Award Brief — Legal 500 US 2020
- Weil Named a Leading Firm for Cartel Investigations Award Brief — Legal 500 US 2020
Speaking Engagements
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Whistleblowers: Best Practices for Responding to Their Allegations of Wrongdoing
Speaker(s):
Holly E. Loiseau
September 30, 2020 — Virtual Event — Corporate Counsel Women of Color Sixteenth Annual Career Strategies Conference
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CNN Newsroom with Brooke Baldwin
Speaker(s):
Sarah Coyne
February 12, 2020 — New York, NY — Sarah Coyne, partner in Weil’s White Collar Defense, Regulatory and Investigations practice, appeared on the program CNN Newsroom with Brooke Baldwin to discuss current events.
Latest Thinking
- DOJ Antitrust Division Issues Guidance on Case Selection of Criteria for Use of Arbitration Alert — Antitrust/Competition — By Adam C. Hemlock, Eric S. Hochstadt, Carrie C. Mahan and Anthony Duh — PDF — December 14, 2020
- How to build a data driven compliance programme Publication — Global Investigations Review — By Steven A. Tyrrell — December 10, 2020
- Supreme Court to Review SEC's Disgorgement Power Alert — White Collar Defense, Regulatory and Investigations — By Jessica N. Djilani, Kaela Dahan and Cecile Casali — PDF — November 08, 2019
- Defending Plea Agreements in Cartel Cases Publication — ABA Cartel and Criminal Practice Committee Newsletter — By Sarah Coyne, Adam C. Hemlock and Liz McLean — September 04, 2019
- DOJ Updates Guidance for Evaluating Corporate Compliance Programs Alert — White Collar Defense, Regulatory and Investigations — By Sarah Coyne and Adam Safwat — PDF — May 01, 2019
Firm News & Announcements
- Weil Advises Blackstone Growth in its Investment in ISN Deal Brief — December 17, 2020
- Global Investigations Review Again Recognizes Weil Among the Top International Investigations Firms in 2020 Firm Announcement — October 23, 2020