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Theodore Voorhees, who served as Chair of the ABA Antitrust Section in 2012-2013, is a senior antitrust advisor and litigator in the firm's Washington, DC office representing clients in the e-commerce, chemicals, outdoor sports equipment and apparel, food and beverage and agricultural commodities industries, among others. Much of Mr. Voorhees' antitrust advisory work focuses on pricing and distribution arrangements in the United States, and counseling trade associations on antitrust compliance matters.

On consumer protection matters, Mr. Voorhees has represented clients in proceedings before the Federal Trade Commission on advertising and marketing matters and before the Consumer Product Safety Commission on product safety matters. He has advised clients on advertising substantiation and the legal issues posed by the emerging field of neuromarketing.

Mr. Voorhees' practice also encompasses risk assessment, risk management and litigation defense in product liability and toxic tort matters, especially industry-wide risks posed by emerging technologies. He has counseled corporate and trade association clients on product liability risk assessment and management in the nanotechnology, software, mining, medical devices, construction equipment, pharmaceutical, chemical, food, and beverage alcohol industries. Mr. Voorhees has lectured at numerous conferences on a broad range of risk assessment issues including nanotechnology, the growing controversy over the causes of the obesity epidemic, and product liability risks facing trade associations that lobby the government on health and safety matters.

  • Antitrust advisor to numerous clients on pricing policy issues following Supreme Court Leegin decision.
  • Antitrust advisor to air freight carrier on market access issues.
  • Antitrust advisor to light trucks manufacturer in connection with issues presented by joint venture.
  • Conducted advertising substantiation audit for national consumer products company.
  • National counsel to trade associations in commodities, chemicals and alcoholic beverages industries on antitrust, product liability, marketing and related matters.
  • National coordinating counsel for professional society in multi-state welding toxic tort litigation and for medical device manufacturer in orthopedic product liability litigation.
  • National coordinating counsel for trade association in multi-state vinyl chloride toxic tort litigation.
  • Counsel to biotech company in successful defense of wrongful death litigation arising out of a clinical trial conducted in Illinois.

Pro Bono

  • Represented veteran seeking rating increase for service-connected disability.
  • Represented prison inmates in parole hearings.
  • Provided counseling to advocacy organizations for the elderly in connection with the drafting and publication of a book advising custodial grandparents of their rights and available government resources to assist in caring for their grandchildren.
  • Represented numerous pro bono clients in civil rights and housing litigation.

Previous Experience

  • Mr. Voorhees has served in multiple Officer roles in the ABA Section of Antitrust Law including as Chair (2012-2013), Chair-Elect, Vice Chair, International Officer, Section Delegate and Publications Officer. He has also served continuously as one of the co-teachers of the firm’s Advanced Antitrust Seminar taught at the University of Virginia School of Law since the early 1980s.
  • Chambers USA Guide for Products Liability (2006-2013)
  • Best Lawyers in America for Antitrust Law and Product Liability Litigation/Defendant (2008-2018)
  • Global Competition Review, Thought Leaders - Competition (2018)
  • The International Who's Who of Competition Lawyers & Economists (2014)
  • Washington DC Super Lawyers for Antitrust and Product Liability Litigation (2012-2018)
  • Washingtonian, "Top Lawyer" for Antitrust (2013)
  • Who's Who Legal, Competition (2013-2019)
  • PLC Which Lawyer 2009 Yearbook, for Competition/Antitrust, Life Sciences/Product Liability, and Dispute Resolution (rated as "Leading Individual")
  • PLC Life Sciences, Which Lawyer? for Product Liability (2008-2012)
  • Practical Law Company's Cross-border Life Sciences Handbook, Recommended rating for his industry litigation and antitrust expertise (2006-2009)
  • Practical Law Company's Cross-border Competition Handbook, Recommended rating in competition and antitrust expertise (2006-2009)
  • Practical Law Company's Dispute Resolution Handbook, Highly Recommended rating as both a product liability and an antitrust litigator (2003-2004; 2004-2005; and 2005-2006)
  • Global Counsel 3000, rated as one of eight "highly recommended individuals" for Litigation and Arbitration (2001)