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James O'Connell
James J. O'Connell
Washington +1 202 662 5991 Download V-card

Jim O’Connell advises international and US clients on their critical antitrust matters, including mergers and acquisitions, joint ventures, licensing arrangements and other business practices, government investigations, and litigation. His clients and peers recommend him for his knowledge of antitrust law, as well as for his experience and his intimate understanding of the people and processes of the US antitrust enforcement agencies, to help them navigate the antitrust regulatory process successfully and efficiently.  In connection with his merger practice, he also regularly helps clients assess their pre-merger notification obligations under the Hart-Scott-Rodino Act and foreign merger control regimes.


  • Representation of Facebook in obtaining merger review clearance for various acquisitions, including that of Instagram.
  • Representation of Chemtrade Logistics Inc. in obtaining merger review clearance for its $860 million acquisition of General Chemical Corp.
  • Representation of Stryker Corporation, the medical devices and equipment manufacturing firm, in obtaining merger review clearance for several transactions.
  • Advised MDA Corp. regarding the clearance of its acquisition of Space Systems/Loral.
  • Representation of Niacet Corp. in obtaining merger review clearance of its acquisition of certain specialty chemicals business lines from Kemira Oyj.
  • Represented Exxon Mobil in obtaining antitrust clearance for its $41 billion acquisition of XTO Energy, the largest transaction in the history of the natural gas industry.
  • Represented Prysmian S.p.A. in obtaining merger review clearance for its acquisition of Draka Holding N.V.
  • Advised Newport Television LLC in connection with the sale of broadcast television stations to Sinclair Broadcasting, Nexstar Broadcasting, and Cox Media Group.
  • Represented oilfield services company Ameron International in obtaining antitrust clearance for its acquisition by National Oilwell Varco.
  • Advised Joy Global regarding its acquisition of LeTourneau Technologies from Rowan Companies and its sale of LeTourneau’s drilling systems and offshore products businesses to Cameron International.


  • Advise one of the world’s largest derivative products markets regarding various matters.
  • Advise Dow Corning Corporation regarding various matters, including its manufacturing operations in China.
  • Representation of Expedia in connection with the Antitrust Division’s investigation of the Google/ITA Software transaction and the Federal Trade Commission’s investigation of Google’s search-related conduct.
  • Advise provider of television programming regarding competition issues in the cable and satellite television industry.
  • Advise numerous innovator pharmaceutical companies about competition issues relating to settlements of patent infringement litigation brought under the Hatch-Waxman Act.
  • Provide antitrust guidance to various television broadcasting companies.
  • Provide assistance to clients regarding potential competition law issues arising under China’s Anti-Monopoly Law.
  • Develop successful and cost-effective strategies for responding to requests for information from the Antitrust Division and the Federal Trade Commission.


  • Advised a leading technology company in connection with antitrust and patent infringement litigation arising out of the assertion of standard-essential patents subject to a FRAND commitment.

Pro Bono

  • Represented the executor of the estate of a mentally ill individual who died while in custody at the Alexandria Adult Detention Center (Walker v. Correct Care Solutions, LLC).
  • Regular outside counsel to the Mountaineering Section of the Potomac Appalachian Trail Club.

Memberships and Affiliations

  • Non-Governmental Advisor, International Competition Network
  • Member of the American Bar Association’s Section of Antitrust Law and Chair of the Editorial Board of Antitrust, the Section’s magazine
  • Instructor, University of Virginia Law School (Advanced Antitrust Seminar)