Sophie Lamb is described as “a widely respected arbitration practitioner” and “an exceptional lawyer, highly dedicated and completely committed to her work.”


Chambers Europe 2014

Sophie J. Lamb

  • 99 Bishopsgate
  • London EC2M 3XF
  • United Kingdom

Sophie J. Lamb is a partner in the London office of Latham & Watkins where she leads the International Arbitration Practice. Ms. Lamb is an expert in the field of international commercial and investment arbitration and an accomplished courtroom advocate. Her practice focuses on international arbitration, public international law, complex litigation in the English and overseas courts, and business and human rights counselling. 

Described by Legal Business as “one of the leading arbitration lawyers of her generation,” Ms. Lamb is consistently ranked by the principal legal directories among the world's best lawyers in her chosen fields. The Lawyer Hot 100 2014 identified Ms. Lamb as one of the UK's most innovative and inspirational lawyers for her successes “in billion dollar, high profile, politically sensitive and often market-shaping arbitration cases and related court trials.”  

Ms. Lamb has acted as an adviser and/or advocate in more than 100 international commercial arbitrations across a range of industry sectors including automotive, banking and financial services, energy and natural resources, insurance, pharmaceuticals, private equity and telecommunications.‎ She is also widely recognized for her experience in international investment and inter-state disputes. She sits as arbitrator in all such cases.   

Ms. Lamb also acts in complex commercial, corporate and international litigation and appellate cases in the English and overseas courts. A former barrister, she has full rights of audience in the superior English courts and has appeared as advocate at every level, including the UK Supreme Court. Significant work includes partnership and joint venture disputes, banking law, company law, class action defense work, environmental litigation, public law and human rights law.‎ Ms. Lamb also appears as advocate in arbitration related court proceedings.

Ms. Lamb’s representative matters include acting for:

  • Royal Dutch Shell and Shell Petroleum Development Company in group action (environmental) litigations concerning overseas activities. These cases, currently in a jurisdictional phase, have been identified by The Lawyer as among the most significant of 2016.
  • Exxon Mobil and Murphy Oil in their successful NAFTA arbitration against Canada under the ICSID, Additional Facility Rules over performance requirements*
  • Ust-Kamenogorsk Hydropower Plant, a subsidiary of Samruk Energy, as advocates to the appellant in the UK Supreme Court on a landmark arbitration appeal to determine whether the English Court has jurisdiction to grant an anti-suit injunction in circumstances where no arbitration is intended or in prospect*
  • Mobile TeleSystems in its US$2.5 billion investor-state arbitration against Uzbekistan brought under the Additional Facility of the ICSID, including successfully defending an Article 45(6) application*
  • One of the largest private investment companies in Russia in a multibillion-dollar shareholder dispute, including successfully defending third party disclosure proceedings in London and the US and resisting attempts to injunct in the Caribbean courts a multibillion-dollar public share buyback*
  • A Japanese automotive company as Claimant in consolidated ICC arbitration proceedings against a German automotive company concerning the unwinding of a multibillion cross-shareholding*
  • A number of large corporate investors on tax stabiliation issues including the international law dimension of retrospective taxes and tax treaty override provisions.*
  • Metals and minerals entities on price re-openers in long term supply agreements.*
  • A life sciences company in a significant patent arbitration against one of the world's largest pharmaceutical companies.*
  • Telecoms entities in very high value change of control, put option and IP licensing disputes*
  • A mining group in a multibillion-dollar tax dispute with the Government of an African country*

*Matter handled prior to joining the firm

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