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


See list of lawyers globally
Shortcut Links
Recent Announcement
- Weil's 2022 Litigation Trends Report Firm Announcement — April 06, 2022
- Weil Shortlisted for Top 2022 Benchmark Litigation Honors Firm Announcement — January 28, 2022
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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Civil Litigation Exposure: A Global Tour
Speaker(s):
Adam C. Hemlock
June 28, 2022 — Lisbon, Portugal — Weil Antitrust/Competition partner Adam Hemlock was a panelist discussing the strategies for managing civil litigation risks in the United States, presented at the ABA’s Antitrust Law Section’s 14th International Cartel Workshop.
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What’s Missing in Your Internal Investigations Program? The Latest Takeaways for In-Person and Remote—and the Unexpected Pitfalls
Speaker(s):
Sarah Coyne
December 1, 2021 — National Harbor, MD — White Collar partner Sarah Coyne appeared on a panel at ACI’s 38th Annual International Conference on the FCPA discussing the new day-to-day “normal” in the wake of COVID-19, and outlining the pitfalls to avoid in internal investigations.
Latest Thinking
- Getting the Deal Through: Market Intelligence – Cartels 2022 Publication — Law Business Research Ltd. — By Adam C. Hemlock — PDF — April 2022
- Litigation Trends 2022 Publication — By Weil’s Litigation Department — Spring 2022
- Spotlight on DOJ’s Cybersecurity Focus Alert — Privacy & Cybersecurity — By Drew Tulumello, Arianna Scavetti and Jason Kleinwaks — PDF — March 15, 2022
- Getting the Deal Through: Market Intelligence – Cartels 2021 Publication — Law Business Research Ltd. — By Adam C. Hemlock — PDF — May 2021
- DOJ Brings More Indictments in Labor Markets Alert — By Carrie C. Mahan and Christopher Abbott — PDF — April 21, 2021
Firm News & Announcements
- Weil's 2022 Litigation Trends Report Firm Announcement — April 06, 2022
- Weil Shortlisted for Top 2022 Benchmark Litigation Honors Firm Announcement — January 28, 2022