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Jonathan Warne

Jonathan Warne

Partner

CMS Cameron McKenna Nabarro Olswang LLP
Cannon Place
78 Cannon Street
London
EC4N 6AF
United Kingdom
Languages English

Jonathan heads the Litigation and Arbitration team. He has over 30 years of experience handling both domestic and cross-border disputes including financial services, company commercial, fraud and insolvency related litigation. He frequently deals with multi-party jurisdictional issues and has played a central role in developing the firm’s Singapore office. He has been involved in a number of the leading disputes arising out of the last financial crisis including Lehman Brothers and Kaupthing.

He has expertise in the developing regulatory arena. This includes experience of competition disputes and investigations generally. He has been involved in many of the leading pension litigation cases.

Jonathan has worked extensively with General Counsel and has led a GC thought leadership initiative over a number of years. To date, five reports have been published: “From In-House Lawyer to Business Counsel”, “General Counsel: Vague about Value?”, “The Influential GC”, “Room to Grow? How to manage and engage talent” and the most recent, “General Counsel: reaching new heights?”. The work has been commended in the Financial Times’ Innovation Awards for client service. 

Jonathan is named in the Legal 500 Hall of Fame.

He is also a Council Member of the Inter Pacific Bar Association.

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"An expert litigator and great tactician, who always gives extremely valuable, strategic advice."

Legal 500, 2020

"an extremely good litigator" and also remarks on his "exceptional client skills", saying that "his tact, diplomacy and approachability are second to none".

Chambers 2018

"a particularly impressive litigator", "a skilled strategist and has brilliant client skills".

Legal 500, 2017

“Very good for big disputes”

Legal 500

“Able and tenacious”

Chamber and Partners

“Shrewd and has excellent client skills”

Legal 500

“He’s down to earth and creates a very good empathy with the clients so they feel, early on, that he is on their side”

Education

  • 1984 – LL.B. Reading University  
  • 1985 – The Law Society’s Final Examination, Lancaster Gate, London
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Memberships

  • Commercial Litigators Forum
  • London Court of International Arbitration
  • Council Member of the Inter Pacific Bar Association
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Publications

  • Jonathan has worked extensively with General Counsel and has led a GC thought leadership initiative over a number of years.
  • To date, five reports have been published: “From In-House Lawyer to Business Counsel”, “General Counsel: Vague about Value?”, “The Influential GC”, “Room to Grow? How to manage and engage talent” and the most recent, “General Counsel: reaching new heights?”.
  • The work has been commended in the Financial Times’ Innovation Awards for client service.
  • He is general editor of Bloomsbury’s text on International Commercial Dispute Resolution.
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Expertise

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28 Jul 16
Gen­er­al Coun­sel ser­vices
05 Mar 20
Coronavir­us: key in­sur­ance con­sid­er­a­tions
As a res­ult of the con­tin­ued glob­al rise in con­firmed cases of Cov­id-19 (Coronavir­us) and con­sequent travel and quar­ant­ine re­stric­tions, un­der­stand­ably con­cerned in­di­vidu­als and busi­nesses are as­sess­ing...
21 July 2016
Gen­er­al Coun­sel Re­port: reach­ing new heights?
13 December 2015
Room to grow?
How gen­er­al coun­sel en­gage and man­age tal­ent