FacultyFaculty/Author Profile
Ian Simmons

Ian Simmons

O'Melveny & Myers LLP

Washington, DC, USA

As co-chair of the Firm’s Antitrust and Competition Practice, Ian Simmons has been lead counsel in more than 30 multi-district litigation (MDL) antitrust proceedings and has achieved precedent-setting results. In addition to his extensive experience with cartel cases, Ian litigates matters involving intellectual property issues, including the competitive implications of standard essential patents and FRAND obligations. He pays particular attention to global economic pressures that may affect his clients and has taken more than 30 depositions of economists.

An alumnus of the US Department of Justice Antitrust Division, Ian uses his prosecutorial skills to maximize his clients’ interests. He has argued before the US Court of Appeals for the Second, Third, Fourth, Seventh and Ninth Circuits and the highest courts in New York and South Dakota. Ian has tried seven cases to verdict. His efforts were recognized by Law360, which named Ian an MVP of the Year in Competition in 2011.

Chambers USA regularly ranks Ian for his work in antitrust litigation, and notes his “fine reputation for his multijurisdictional cartel defense work” and reports that clients describe him as “outstanding and incredibly skilled,” commend his “detail-oriented work,” and praise his “encyclopedic knowledge.” Ian is consistently recognized for his work in antitrust by Legal 500, which labels O’Melveny’s team as “top-drawer,” and by Global Competition Review who recently lauded him for his Samsung victory against Qualcomm in 2017, and shortlisted him for “Litigator of the Year” at the 2015 Global Competition Review awards. Ian has also been named a 2017 Antitrust Trailblazer by the National Law Journal and a leading lawyer within the forthcoming 2017 edition of Who's Who Legal: Litigation.

Ian Simmons is associated with the following items:
CHB Chapters  CHB Chapters Everyone Is Entitled to His Own Opinion...Reflections on the Cross-Examination of Expert Witnesses, Antitrust, Vol. 25, No. 3 (Summer 2011) - Fundamentals of Taking and Defending Depositions 2018, Friday, March 09, 2018
Expert Witness Depositions (Substantive Outline) (December 2017) - Fundamentals of Taking and Defending Depositions 2018, Friday, March 09, 2018

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