Jon Roellke focuses on antitrust, trade regulation, and other commercial litigation, primarily counseling clients in the financial services and high technology industries. He handles class action and other complex litigation, advises clients on enforcement matters before state and federal agencies, and regularly counsels on competition issues, including refusals to deal, distribution and franchising restraints, tying arrangements, group purchasing, price discrimination, exclusive dealing, leveraging, joint ventures, and trade association activities.
Recognized annually in Chambers USA as a leading lawyer in antitrust, Jon’s clients describe him as “a fabulous lawyer who has been a great all-around antitrust counselor.” Legal 500, which also ranks Jon for his antitrust work, notes that his “legal acumen is priceless” and his advice is “practical and on-point.” Jon serves as counsel to a number of financial markets organizations, including the Securities Industry Financial Markets Association, the Investment Company Institute, and the Federal Reserve’s Financial Markets Lawyers Group and Alternative Reference Rate Committee.
Recognized, Antitrust, Trade Regulation and Commercial Litigation, Lawdragon 500 Leading Litigators in America (2022, 2024)
Ranked, Antitrust, District of Columbia, Chambers USA (2007–2021)
Ranked, Antitrust: Litigation Specialists , District of Columbia, Chambers USA (2019, 2023)
Member, Practice Group of the Year, Competition, Law360 (2017–2021)
Recognized, US News & World Report and Best Lawyers 2017 Practice Group of the Year for Antitrust Law
Recommended, Antitrust: Cartel, The Legal 500 US (2021)
Recommended, Antitrust: Civil litigation/class actions: defense, The Legal 500 US (2021–2023)
Recommended, Antitrust: Merger control, The Legal 500 US (2021)
Recommended, The Legal 500 US, Antitrust (2012–2014, 2016, 2019, 2020)
Recommended, Dispute resolution: Financial services litigation, The Legal 500 US (2019)
Advisor, Georgetown University Law Center National Trial Team (1991–1996)
Member, American Bar Association, Antitrust and Commercial Litigation Sections
Member, American Bar Association, Financial Services Committee, Antitrust Section
Member, District of Columbia Bar Association, Antitrust and Litigation Sections
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