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Pamela J. Marple, Chair of the D.C. Litigation practice, also manages the day-to-day business of the firm in D.C., responsible for the litigation practice as well as overall office operations, management and recruiting. For 30 years, Ms. Marple’s practice has focused on regulatory and commercial litigation and counselling, government investigations, including congressional investigations, and corporate compliance and strategy. Ms. Marple has represented clients before a broad range of courts and agencies, as a trial attorney for the U.S. Department of Justice, a senior investigative counsel for Congress, and a commercial litigation partner in private practice. Increasingly, Ms. Marple advises companies on regulatory and compliance matters, including those related to competitive and antitrust matters, Multilateral Development Bank procedures, including before the World Bank, and parallel inquiries and investigations involving the FTC, the Department of Justice, state Attorneys General, Inspectors General, Congressional Committees, and private litigants. Based on her broad experience, Ms. Marple provides strategic responses to corporations, associations and individuals involved in government inquiries, corporate investigations, and complex private litigation.


  • Antitrust and trade regulation
  • Banking and financial services litigation
  • Commercial litigation
  • Securities litigation and regulatory enforcement
  • White collar defense, regulatory and congressional investigations



  • Represent executives of generic drug companies in antitrust litigation brought by state Attorneys General and private plaintiffs (MDL).
  • Represented Forbes Global 200 electronics company in antitrust class actions pertaining to the SRAM, LCD and ODD markets (NDCA, Japan)°
  • Defend large construction supplier in supply chain arbitration alleging breach of contract claims implicating substantial corporate exposure, resulting in complete dismissal of claims without admissions (AAA).
  • Represent foreign investors in $80 million claim against sovereign under Bilateral Investment Treaty (BIT) protections (DC).
  • Represent importer plaintiffs in Court of International Trade actions alleging statutory and constitutional violations of Section 301 of the Trade Act of 1974 (CIT).
  • Represent Fortune 100 company in U.S. Court of Appeals for the Federal Circuit under Section 1603 of ARRA seeking over $40 million in damages against the federal government (CFC, Fed Cir).
  • Represent CEO of Carlyle Group entity in a billion-dollar receiver action based on allegations arising from the RMBS liquidity crisis (DDC; Guernsey).
  • Represent Mid-Atlantic Sports Network (MASN), a regional broadcasting network in litigation regarding telecast right valuation (NY).
  • Represent technology company during Inspector General investigation and subsequent False Claims Act litigation (DOJ IG; EDPA).
  • Represent Section 1603 renewable energy applicant during recapture action; represent charitable corporation during Federal Debt Collection proceedings. (DC)
  • Represented aviation company in litigation against global security company seeking $70 million in damages (VA)° and financial institutions in the U.S. Court of Federal Claims seeking hundreds of millions of dollars in damages based on accounting and financial rule changes (CFC).°
  • Counsel high technology companies, including streaming services, research and development technology company, and online database providers, regarding competition and antitrust issues related to agreements and pending litigation.
  • Represent government contractor responding to DOJ inquiry involving allegations of price-fixing, collusion, and false claims in government contracts worth over $400 million. (DOJ, DLA)
  • Counsel and represent multiple entities, including medical clinic, credit processing company and insurance association, on antitrust issues and responses to FTC price-fixing and other antitrust allegations and/or CID requests. (FTC)
  • Represent executives of generic drug companies in DOJ antitrust investigations (DOJ, FTC).
  • Served as the Compliance Monitor for a global medical device corporation during three-year resolution related to World Bank Group investigation, resulting in timely release of the company from debarment. (World Bank, Multilateral Development Bank, Japan)
  • Represented media company responding to audit by the HHS Inspector General and investigation by congressional committee. (HHS and House and Senate Commerce Committees)
  • Counsel large entertainment conglomerate on international compliance issues, as well as conduct internal inquiries and propose policy and procedure implementation. (Japan)
  • Advise Fortune 100 public packaging company on government contract and other regulatory compliance issues. (DC)
  • Counsel domestic genomics company and international telecommunication company on OFAC and Anti-Corruption obligations and procedures.
  • Represent executive of Forbes Global 200 electronics company in antitrust investigation into auto parts. (E.D. MI, Japan)
  • Represent in-house counsel during global corporation internal investigation and federal government disclosure and review.
  • Represented global bank in tax evasion investigation. (SDNY and DDC).°
  • Represented companies and individuals in numerous agency Inspector General Investigations involving allegations of false claims, accounting improprieties, fraud, undue influence, and ethics violations° and represented insurance company and top executives as well as Fortune 500 company in Foreign Corrupt Practices Act investigations, resulting in no actions or penalty being imposed against any client. (DDC).°
  • Represented top executives of AIG Financial Products during a number of SEC and DOJ investigations from 2003 to 2010, resulting in no actions being brought against any client. (DDC, SDNY); top executive of prominent trading company in SEC and Financial Industry Regulatory Authority (FINRA) investigations. (SDNY and DDC) and numerous employees and officials of a large telecommunications company in an SEC investigation concerning alleged accounting improprieties. (DDC)°
  • Represented companies investigated by State Attorneys General offices in the areas of antitrust, consumer protection, fraud and abuse, and obstruction of justice. (NY, CA, LA, IL, MD)°
  • Conducted internal investigations within companies and organizations to determine exposure and self-reporting and other strategies in a variety of industries, including insurance, renewable energy, electronics and transportation.°
  • Obtained declinations and/or reasonable resolutions for public officials, federal employees and lobbyists during ethics investigations before DOJ's Public Integrity Section, DOJ's Office of Professional Responsibility, and the Senate and House Ethics Committees.°
  • Counsel and represent renewable energy entities during federal agency communications, information requests, and litigation issues related to ARRA’s Section 1603 provisions.
  • Obtained resolution favorable for literary trust in State of Maryland v. Katherine Anne Porter Trust. (Md. Cir.) (fraud and abuse of trust litigation).°
  • Obtained release of records and other relief for Freedom of Information Act requester in Lowy v. IRS. (N.D.Cal.)°
  • Lead counsel for the government in constitutional and regulatory cases of national importance while a DOJ attorney, including defense of the Brady Handgun Violence Control Act (the Brady Bill, the Telephone Consumer Protection Act, and the promulgation and execution of a variety of agency regulations including those implemented by the FDA, HHS, and the Treasury Department.°
  • Represent large media conglomerate during House investigation into procurement arrangements with HHS.
  • Represent substance abuse treatment company in House investigation into opioid addiction treatment industry.
  • Represent data resource company in House and Senate investigations into data privacy and regulatory issues of social media providers.
  • Represent electric power utility company in House and Senate investigations into financial issues surrounding regional power sector.
  • Represent former government official in Senate Intelligence Committee investigation related to Russia and the 2016 election.
  • Represent medical research entity during House Panel investigation.
  • Represented law firm investigated by the Senate Permanent Subcommittee on Investigations Social Security Administration issues.°
  • Pursued investigation against federal judge Thomas Portious during impeachment proceedings as special counsel for House Judiciary Committee, ultimately resulting in his impeachment from the federal bench.°
  • In the Senate, managed investigative teams and strategy during several high-profile committee investigations, questioned witnesses during public and classified hearings, and worked closely with members and their staff.°

°The above representations were handled by Ms. Marple prior to her joining Greenberg Traurig, LLP.

  • Impeachment Counsel, U.S. House of Representatives, House Judiciary Committee
  • Chief Counsel, U.S. Senate, Permanent Subcommittee on Investigation
    • Deputy Chief Counsel, Special Investigation of Campaign Finance Activities
  • Governmental Affairs Committee
    • Counsel, Judiciary Committee
  • Honors Trial Attorney, U.S. Department of Justice, Civil Division

Reconocimientos y Liderazgo

  • Listed, The Legal 500 United States
    • Dispute Resolution - Corporate Investigations and White-Collar Criminal Defense: Advice to Corporates, 2020-2021
    • Dispute Resolution - Corporate Investigations and White-Collar Criminal Defense: Advice to Individuals, 2020-2021
  • Listed, The Best Lawyers in America
    • Commercial Litigation, 2021-2024
    • Litigation - Regulatory Enforcement (SEC, Telecom, Energy), 2020-2024
  • Listed, Super Lawyers magazine, Washington, D.C. Super Lawyers, 2016-2023
  • Team Member, National Law Journal, “Washington, D.C. Litigation Department of the Year - White Collar Defense & Special Investigations,” 2022
  • Member, Women's White Collar Association
  • Member, District of Columbia Bar Association
    • Member and Former Co-Chair, Administrative Law and Agency Practice Section, Steering Committee


  • J.D., cum laude, University of Wisconsin Law School
    • Editor, Wisconsin Law Review
  • B.A., University of Virginia
Con licencia para ejercer en
  • District of Columbia
  • U.S. District Court for the Eastern District of Michigan
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. Court of Federal Claims
  • U.S. District Court for the District of Columbia
  • U.S. Tax Court