Cleary Gottlieb Steen & Hamilton (London)

Jonathan Kelly

Cleary Gottlieb Steen & Hamilton (London)

Jonathan Kelly is partner with Cleary Gottlieb Steen & Hamilton in London. His practice focuses on substantial English and international commercial litigation and arbitration. He has advised on a wide range of disputes, involving antitrust and competition, banking and financial services, corporate and private equity, regulatory enforcement and investigations, and sovereign immunity. Jonathan has significant experience in banking and financial services disputes, and regulatory investigations. Jonathan repeatedly has been recognized by legal and business directories as one of the leading practitioners in his field. He has been described as having "a first class reputation," as being "immensely well respected," and as providing "keen and insightful, clear, concise and laser-like advice that adds value." In the areas of banking and financial services, legal directories have cited Jonathan as "one of the elite names in finance litigation" and as one of "the City’s leading banking and financial services litigators." Jonathan joined the firm as a partner in 2010 after 23 years at Simmons & Simmons, where he had trained, qualified as a solicitor in 1989, became a partner in 1995 and was head of the firm’s financial markets litigation group. He worked in Hong Kong and London while with Simmons & Simmons.


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Cleary Gottlieb Steen & Hamilton (Brussels)
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Cleary Gottlieb Steen & Hamilton (London)
Cleary Gottlieb Steen & Hamilton (Brussels)
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3201 Bulletin

Jonathan Kelly, Paul Gilbert, Paul Stuart, Ranulf Outhwaite The UK Competition Authority grants a claim for damages against a railway company (Achilles / Network Rail Infrastructure)


The Competition Appeal Tribunal (CAT) has granted a claim for damages by Achilles Information Limited (“Achilles”) against Network Rail Infrastructure Limited (“Network Rail”). The Judgment is the CAT’s first damages award arising from a standalone claim since 2016, and follows the CAT’s (...)

Jonathan Kelly, Nicholas Levy, Paul Gilbert, Paul Stuart, Fay Davies The UK Court of Appeal clarifies the ability of parties that settle EU Commission antitrust investigations to challenge the Commission’s findings in follow-on damages actions (Trucks Cartel)


The Court of Appeal has handed down an important judgment clarifying the ability of parties that settle European Commission (Commission) antitrust investigations to challenge the Commission’s findings in follow-on damages actions. The judgment concerns an appeal relating to a preliminary (...)

Sunil Gadhia, Nicholas Levy, Paul Gilbert, David Little, Vassilena Karadakova, Jonathan Kelly, James Brady-Banzet The UK FCA fines companies sharing strategic information on a bilateral basis during an initial public offering (Hargreave / Newton / RAMAM)


This article has been nominated for the 2020 Antitrust Writing Awards. Click here to learn more about the Antitrust Writing Awards. On 21 February, the UK Financial Conduct Authority (the “FCA”) found that Hargreave Hale Ltd (“Hargreave Hale”), Newton Investment Management Limited (...)

Jean-Yves Garaud, Aren Goldsmith, Jonathan Kelly, Paul Stuart, Romina Polley, Rüdiger Harms The EU Court of Justice rules that jurisdiction clauses subject to EU law may be enforced by Member States in actions for damages for abuse of dominance (Apple / MJA)


European Court of Justice Issues Important Judgment Related to Jurisdiction Clauses for Antitrust Actions* In a recent judgment providing a preliminary ruling in the case, Apple Sales International et al. v. (C-595/17, October 24, 2018), the Court of Justice of the European (...)


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