David J.DiMeglio

Partner-in-Charge Los Angeles

Los Angeles +

David DiMeglio's practice focuses on complex civil litigation, particularly toxic torts and product liability, with an emphasis on disputes arising out of Latin America. Over the last 30 years, he has defended mass tort and other cases across the U.S. and coordinated the defense in foreign, parallel proceedings for clients in the energy, oil & gas, mining, pharmaceuticals, electronics, agriculture, manufacturing, and consumer products industries. David also has defended against claimed violations of federal and state environmental laws, including Proposition 65; breach of contract; fraud; unfair business practices; employment discrimination; and wrongful termination. He is Partner-in-Charge of the Los Angeles Office.

David's trial experience includes a high-profile case for IBM involving complex issues of chemical exposure and alleged health effects. After a five-month trial, the California jury returned a unanimous defense verdict, recognized as one of the top defense verdicts of 2004. He also was trial counsel for Dole in a closely watched trial involving foreign plaintiffs who claimed their exposure to a pesticide caused sterility. The jury returned a defense verdict for half the plaintiffs, and post-trial rulings knocked out the rest. David co-leads the defense of a major energy company battling a fraudulent multibillion dollar judgment in Ecuador and related foreign judgment enforcement proceedings. He has led internal investigations in multiple countries.

David co-leads a firmwide pro bono initiative representing mostly women and unaccompanied children in immigration and asylum proceedings. He is on the board of the Constitutional Rights Foundation, promoting our youth's active and responsible civic participation.


  • Chevron secures significant wins in paraquat multidistrict litigationJones Day secured two important wins for client Chevron in the paraquat multidistrict litigation (MDL).
  • Chevron prevails in international arbitration against Republic of EcuadorWith valuable assistance from Jones Day, Chevron Corporation obtained a unanimous award on the merits by an international arbitration tribunal against the Republic of Ecuador in a PCA arbitration under the U.S.-Ecuador bilateral investment treaty.
  • GlobalFoundries wins complete victory on summary judgment and motion to exclude expertsJones Day won a complete victory on behalf of GlobalFoundries U.S., Inc. on its motions for summary judgment and to exclude plaintiff's experts regarding personal injury claims arising from an alleged exposure to chemicals in the workplace.
  • Global technology company conducts internal investigation into allegations of fraud and employee misconduct in BrazilJones Day represented a global technology company in an internal investigation into allegations of fraud and employee misconduct in Brazil.
  • Global technology company conducts internal investigation into allegations of fraud and corruption in South AmericaJones Day represented a publicly-traded global technology company in an internal investigation into allegations of fraud, corruption, and employee misconduct in South America.
  • Chevron defends against allegations of environmental damage from oil seeps off coast of BrazilJones Day is serving as lead U.S. counsel for Chevron with respect to various legal and administrative proceedings arising out of oil seeps that occurred off the coast of Brazil in November 2011 and March 2012.
  • Jones Day obtains asylum for two unaccompanied minorsJones Day obtained asylum for two unaccompanied alien children ("UACs") seeking refuge in the United States.
  • Yamaha successfully defends nationwide litigation of product liability cases and claims involving the Rhino side-by-side ("SxS") vehicleJones Day leads Yamaha's defense of Rhino cases and claims pending in the United States.
  • Clearlight Cream sells Bocchi LaboratoriesJones Day advised Clearlight Cream, Inc. in connection with its sale of Bocchi Laboratories, Inc., a contract manufacturer of health and beauty items, over-the-counter preparations and private label products, to Shadow Holdings, LLC.
  • Dole defends against multiple cross-border mass tort cases alleging injuries from pesticide exposureJones Day defended Dole Food Company, Inc. in multiple toxic tort lawsuits brought by agricultural workers from 13 countries claiming that the use of the pesticide dibromochloropropane (DBCP) on banana farms in Latin America, Africa, and the Philippines during the 1970s caused adverse health effects.
  • Dole defends against toxic tort actionJones Day represented Dole Food Company in a five-month toxic tort jury trial in Central Civil West Court, Los Angeles.
  • Wyeth wins summary judgment in product liability case involving pharmaceutical product EffexorJones Day represented Wyeth in a unique products liability matter relating to Wyeth's $4 billion a year pharmaceutical product Effexor.
    • January 25, 2017
      How to Deal with Ethical Lapses (Real or Perceived) Once They've Occurred, Jones Day MCLE University
    • January 27, 2016
      Lawyers Behaving Badly: How to Avoid Being Tomorrow's Headline, Jones Day MCLE University