Daniel Marx

Partner - Boston

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Daniel Marx’s litigation practice focuses on white-collar criminal matters, related regulatory enforcement actions, and complex civil litigation. Daniel has handled litigation matters in federal and state courts at both the trial and appellate levels.

Prior to joining Foley Hoag LLP, in 2008, Daniel worked as a litigation associate at national law firms in Washington, DC, and New York. He also served as a judicial law clerk to the Honorable Reena Raggi, of the U.S. Court of Appeals for the Second Circuit, and the Honorable Allyne R. Ross, of the U.S. District Court for the Eastern District of New York.


  • Yale Law School, J.D.
  • Yale College, B.A., summa cum laude, Phi Beta Kappa

Representative Experience

Criminal/Regulatory Matters

  • Represented management consulting firm in federal criminal investigation concerning health care fraud and economic crimes
  • Represented principal of private equity firm in federal prosecution concerning insider trading
  • Represented CEO of manufacturing company in federal criminal investigation concerning antitrust violations
  • Represented CEO of health care company in state prosecution for alleged Medicaid fraud
  • Represented senior executive of health care company in federal criminal investigation regarding alleged kickbacks
  • Represented senior executive of automobile-parts company in federal antitrust prosecution
  • Represented CEO of start-up company in federal prosecution concerning commercial kickbacks and securities fraud
  • Represented former CEO of mortgage company in various government investigations and related federal multi-district litigation regarding alleged accounting improprieties
  • Represented scientist in federal prosecution concerning research misconduct
  • Represented engineer in federal criminal investigation concerning export violations
  • Represented hedge fund and its manager in SEC administrative proceeding concerning short sales
  • Represented securities broker in SEC civil action concerning churning
  • Represented foreign bank in SEC investigation concerning collateralized debt obligations
  • Represented security technology company in state investigation concerning contracting
  • Represented investment bank and equity analysts in federal and state regulatory investigations regarding conflicts of interest
  • Represented non-profit research foundation in congressional investigation concerning relationships between medical device manufacturers and physicians

Civil Matters

  • Represented public technology company in litigation concerning trade secret theft
  • Represented biotech company in False Claim Act litigation brought by a former senior executive
  • Represented major pharmaceutical company in federal multi-district litigation regarding product-liability claims
  • Represented biotech company in arbitration against its broker concerning the auction-rate securities
  • Represented former consultant and advisor to start-up company in an equity dispute
  • Represented third-party auditor in litigation brought by trustee of bankrupt technology company
  • Represented taking authority in eminent domain litigation concerning fair market value of property acquired for urban redevelopment project

Pro Bono Matters

  • With the ACLU of Massachusetts, represented wrongfully convicted defendants in petition to Supreme Judicial Court to vindicate rights violated by state drug lab scandal
  • Represented indigent defendants charged with various white collar and drug offenses in federal criminal prosecutions
  • Represented indigent defendants charged with assault, robbery, firearms offenses, and other offenses in state criminal prosecutions
  • Represented civil liberties and criminal defender organizations as amici curiae in federal appellate litigation concerning the Interstate Agreement on Detainers

Foley Hoag Alerts & Updates


  • Massachusetts Super Lawyers, Rising Star (2013, 2014 and 2015)


  • Lawyers Committee for Civil Rights
  • Boston Bar Association
  • American Bar Association
  • Federal Bar Association
  • National Association of Criminal Defense Lawyers
  • Massachusetts Association of Criminal Defense Lawyers
  • Boston Bar Association Presentatio, "Chilling" Whistleblowers: Rule 21F-17(a) and the Current SEC Enforcement Landscape (November 16, 2015)
  • ACA Compliance Group Webinar, “SEC Trends and Initiatives” (October 8, 2015)
  • Whistleblower Risk and Compliance Issues, Life Sciences Industry Peer Exchange, NYSE Governance Services, Boston, MA (April 9, 2015)
  • Recent Developments in False Claims Act Litigation, Life Sciences Legal Forecast, American Legal Media, Boston, MA (February 25, 2015)
  • “Whistleblower Issues Under the False Claims Act, the Sarbanes-Oxley Act and the Dodd-Frank Act,” New England Corporate Counsel Association (October 2014) 
  • “SEC Enforcement: Rule 105 and Other Recent Priorities,” Hedge Fund Association, Boston Chapter (February 2014) 
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Court Admissions

  • U.S. District Court for the District of Massachusetts
  • U.S. Court of Appeals First Circuit
  • U.S. District Court for the District of Columbia
  • U.S. Court of Appeals, District of Columbia Circuit