Ian Simmons

Ian Simmons is a partner in O’Melveny’s Washington, DC office and a member of the Antitrust and Competition Practice. An alumnus of the US Department of Justice, Antitrust Division, Ian has twenty years of experience in antitrust litigation, with a particular emphasis on cartel class actions and matters involving intellectual property. 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 and has tried seven cases to verdict. He has been lead counsel in over twenty-five consolidated multi-district litigation (MDL) antitrust proceedings. Ian was named one of Law 360’s “2011 MVPs of the Year - Competition Practice.”

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