Theresa C.Martin


Washington + 1.202.879.3617

Theresa Coughlin Martin has represented clients across a broad range of complex matters including antitrust litigation, commercial arbitration, and contractual disputes. She has extensive experience with class action lawsuits, multidistrict litigation, and state attorney general investigations and has worked with a wide variety of clients including those in the automotive, aerospace, and pharmaceutical industries.

Theresa has represented multinational companies under investigation by the United States Department of Justice (DOJ) and international competition authorities related to allegations of bid-rigging, price-fixing, and market allocation and has continued her representation in related civil litigation. She also has experience defending companies in investigations and lawsuits brought by state attorneys general. Theresa has defended clients in DOJ challenges to proposed acquisitions. She defended Electrolux Corporation at trial regarding the DOJ's challenge to the proposed acquisition of General Electric's appliance business.

Theresa also was part of a team that successfully settled a private arbitration before the International Chamber of Commerce on behalf of a global engineering and aerospace company.

Theresa counsels clients on electronic discovery strategy and legal requirements including litigation holds, cost considerations, spoliation, social media, and predictive coding. She also provides related CLE programs to colleagues, both internally and externally.

Theresa is a member of the Washington Office's Recruiting Committee. She is also committed to pro bono service and currently serves as a member of D.C.'s Children's Law Center's advisory board. Most recently, Theresa obtained a favorable result for a client in a contested adoption matter in D.C. Superior Court after a full evidentiary hearing.


  • Sanofi defeats class certification in putative nationwide consumer class actionThe United States District Court for the District of New Jersey recently denied a motion for class certification brought by plaintiffs seeking to represent all consumers nationwide who purchased insulin products sold by Jones Day’s client Sanofi-Aventis U.S. LLC.
  • Global engineering and aerospace company resolves ICC dispute with its engine supplierJones Day successfully settled a private arbitration before the International Chamber of Commerce ("ICC") on behalf of a global engineering and aerospace company.
  • Electrolux attempts acquisition of GE appliances businessJones Day represented Swedish appliance maker AB Electrolux as antitrust and labor counsel in its attempted $3.3 billion acquisition of the appliances business of General Electric.
  • Yazaki defends against automotive wire harness antitrust class actionsJones Day represents Yazaki North America and Yazaki Corporation in connection with numerous antitrust class action complaints alleging that Yazaki and other auto parts manufacturers violated the Sherman Act by engaging in bid-rigging and price-fixing in sales of automotive wire harnesses and related products.
  • Jones Day secures third party custody for long time foster parentJones Day obtained a custody order awarding primary physical custody and joint legal custody of a four year old child to our client who had raised the child essentially from birth.
  • Yazaki defends against antitrust investigationsJones Day represented Yazaki Corporation and its U.S. subsidiary, Yazaki North America, Inc. ("YNA"), in connection with a criminal antitrust investigation by the U.S. Department of Justice into alleged bid rigging and price fixing related to automotive wire harnesses and certain so-called "related products," carried out at the same time as similar investigations by foreign antitrust enforcers in Japan, Europe and Canada.
    • June 18, 2015
      The Role of Social Media in E-Discovery: Current Developments for All Attorneys, WestLegalEd Webcast