Katie Sara Hyman is a member of the international arbitration and commercial litigation practice, with wide experience in various forms of dispute resolution, including multijurisdictional, offshore and investor-state matters. She is dual-qualified as an English solicitor and New York attorney, and is admitted as a Special Legal Consultant in D.C.

Practice & Background

Ms. Hyman represents a variety of clients, including in the energy and telecoms industries, in international commercial arbitration proceedings under the major arbitral rules all over the world and in investor-state arbitrations.

Ms. Hyman advises clients in relation to commercial disputes in the English High Court and, in conjunction with local counsel, in offshore jurisdictions, including the British Virgin Islands and in commercial disputes in the English High Court.

Ms. Hyman’s practice also includes advising on international trade and global investigations and compliance matters, particularly in relation to EU law, sanctions and export controls.

Ms. Hyman received her B.A. with honors from Leeds University and gained a distinction in the Legal Practice Course at BPP Law School in London. Ms. Hyman received an L.L.M. with distinction from Georgetown University, Washington, D.C.

She trained at a magic circle law firm in London and was admitted as a solicitor of England and Wales in 2009.

Representative Matters

Ms. Hyman’s recent engagements include:

  • Acting for Bridgestone’s U.S. entities in an ICSID claim against Panama.
  • Acting for one of the largest Russian energy companies in English court proceedings concerning issues of fraud
  • Acting for a leading business group with diverse investments, headquartered in Russia, in a multimillion commercial litigation in the British Virgin Islands
  • Acting for VimpelCom in successfully defending a Commercial Court injunction (and related ad hoc arbitration), which would have prevented its US$20 billion acquisition of Wind Telecom from proceeding in early 2011; the successful defense allowed for the completion of a transformative acquisition for the client, making it the sixth biggest mobile telecoms company in the world
  • Acting for a Russian telecoms company in ad hoc arbitration proceedings against a Middle East software company
  • Advising a Russian oil major in relation to an LCIA arbitration in London worth in excess of €30 million concerning EU antidumping duties imposed on imports of biodiesel by a leading Eastern European trader of biodiesel and renewable energy; the case involves complex issues of EU and oil law
  • Acting for Petrobras in a US$500 million English litigation concerning cost claims and recovery of loans relating to the construction of a production platform, P36; this case has been described as "the World's largest oil platform dispute" (The Times, June 1 2004)
  • Acting for an international offshore drilling contractor based in Singapore in litigation worth substantially in excess of US$60 million concerning the drilling of an exploratory well offshore Guinea and involving highly complex technical issues concerning drilling operations
  • Acting for an Israeli chemicals company in a US$100 million LCIA arbitration in London concerning a gas sale and purchase agreement with a U.S. energy company; the dispute was successfully resolved
  • Acting for a major Russian energy company in relation to a dispute with a Central European state concerning discrimination and expropriation of a US$2.65 billion inward investment in the energy sector, including advice as to proposed Bilateral Investment Treaty arbitration proceedings
  • Representing an AIM-listed Russian oil and gas independent in “bet the company” LCIA arbitration in London against a high-profile Russian businessman, former director and shareholder of the company
  • Acting in a UNCITRAL arbitration against a Central American state on behalf of a U.S. private investment firm in relation to a technically complex oil exploration license dispute
  • Acting for one of the largest Russian banks in a US$75 million LCIA arbitration against a Central Asian bank in respect of guarantee obligations
  • Acting for a Russian fibre-optical broadband provider in relation to a US$5 million ad hoc arbitration in London concerning the functionality of certain network services provided by an Israeli Internet search company; the case involved highly complex IT issues.