Joseph De Simone: Lawyer with Mayer Brown LLP

Joseph De Simone

New York,  NY  U.S.A.
Phone212 506 2559

Peer Rating

Client Rating

Printer Friendly VersionEmail this PageDownload to My Outlook ContactsAdd lawyer to My FavoritesCompare this lawyer to other lawyers in your favorites

Experience & Credentials

Practice Areas

  • Banking & Finance
  • Emerging Markets
  • FCPA/Anti-Corruption and Anti-Bribery
  • Latin America
  • White Collar Defense & Compliance
  • Litigation & Dispute Resolution
  • Banking & Finance Litigation
  • Internal Investigations
  • Securities Litigation & Enforcement
Contact InfoTelephone: 212 506 2559
Fax: 212 849 5559
University Princeton University, A.B., 1988
Law SchoolFordham University School of Law, J.D., 1994
Admitted1996, New York; 1998, Arizona; 2001, US Court of Appeals for the Second Circuit; US District Court for the Southern District of New York; US District Court for the Eastern District of New York

Joseph De Simone is an experienced, well-respected litigator whose practice is focused primarily on securities and regulatory disputes, internal corporate investigations, Sarbanes-Oxley compliance, complex arbitrations, and general corporate litigation. According to Chambers USA 2007, Joseph wins respect for a 'business-oriented mentality' that helps to ease the passage of SEC investigations and securities-related disputes. . . . 'He not only knows the law, he understands its impact.' He is the Office Practice Leader of the Litigation Group in the New York office.

As co-leader of Mayer Brown's Securities Litigation and Corporate Governance Action group, Joseph represents corporate and individual clients across a broad spectrum of civil, criminal, and investigative cases. These include:

Securities Litigation. Represents issuers, underwriters, and individual officers and directors in various federal securities class actions and derivative actions; counsels clients and boards of directors in connection with securities law issues.

SEC and AG Enforcement. Represents corporations and individuals in investigatory proceedings and civil enforcement actions brought by the SEC and state attorneys general.

Internal Corporate Investigations. Conducts and participates in internal corporate investigations on behalf of client management groups, audit committees, or special litigation committees in industry sectors such as banking, retail, Internet, technology, and broadcasting and communications.

Sarbanes-Oxley Compliance. Counsels companies and their officers and directors on Sarbanes-Oxley litigation and compliance issues.

Arbitrations. Arbitrates complex civil disputes in various arbitral venues, including the American Arbitration Association and ICC.

General Civil Litigation. Represents corporate and individual clients in federal and state courts in a variety of civil actions, including commercial actions, contract disputes, breaches of fiduciary duty, employment, intellectual property, and mergers and acquisitions litigation.

Pro Bono. Has successfully represented indigent clients in political asylum applications, a habeas corpus petition, death penalty litigation, and a special skills visa application; in 1998, received the Thurgood Marshall Award from the Association of the Bar of the City of New York for death penalty litigation; in 2004, received the Legal Aid Society's Pro Bono Publico Award for outstanding work on a successful habeas corpus petition.

Between 1998 and 1999, Joseph sustained an active teaching role as Supervising Attorney for the Columbia Law School's Political Asylum Clinic. He lectured Columbia law students in seminars and supervised a student subgroup during the course of a successful political asylum application in US Immigration Court.

Prior to joining Mayer Brown in 2000, Joseph worked for another prominent law firm. Earlier, he served as Law Clerk to the Honorable Joseph McLaughlin, US Court of Appeals for the Second Circuit (1994-1995).


Documents by this lawyer on

Subscribe to this feed

US Second Circuit Heightens the Standard of Proof Required To Sustain Tipper/Tippee Insider Trading Convictions
Melanie M. Burke,Joseph De Simone,William Michael,Richard M. Rosenfeld,Matthew A. Rossi, February 26, 2015
On December 10, 2014, in United States v. Newman, et al., the US Court of Appeals for the Second Circuit clarified the elements required to establish insider trading in tipper/tippee cases by holding that “in order to sustain a conviction for insider trading, the government must prove beyond...

Increased Public and Private Scrutiny of High-Frequency Trading
Joseph De Simone,Jerome J. Roche,Matthew Rossi, May 16, 2014
Following the publication of Michael Lewis’ new book, Flash Boys: A Wall Street Revolt (“Flash Boys”), plaintiffs’ lawyers and US government regulators have increasingly focused their attention on financial institutions participating in high-frequency trading...

Cosmetics Company Agrees to Pay US$135M to Settle FCPA Claims
Joseph De Simone,Richard M. Rosenfeld,Allison J. Zolot, May 12, 2014
On May 1, 2014, it was announced that Avon Products, Inc., reached a settlement with US regulators over a long-standing federal probe into whether the cosmetics company paid bribes in China and other countries to gain favors. New York-based Avon agreed to pay $135 million in fines and other costs...
Profile Visibility
#8,573 in weekly profile views out of 100,381 lawyers in New York, New York
#111,660 in weekly profile views out of 1,694,340 total lawyers Overall

Office Information

Joseph De Simone

1675 Broadway
New YorkNY 10019-5820


Professional Networking for Legal Professionals Only

Quickly and easily expand your professional
network - join the premier global network for legal professionals only. It's powered by the
Martindale-Hubbell database - over 1,000,000 lawyers strong.
Join Now