Ms Penny Madden KC > Gibson, Dunn & Crutcher > London, England > Lawyer Profile
Gibson, Dunn & Crutcher Offices
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Ms Penny Madden KC
Work Department
International Arbitration, Transnational Litigation
Position
Penny Madden is an English qualified King’s counsel and serves as co-partner in charge of the London office at Gibson, Dunn & Crutcher. She is co-chair of the International Arbitration Practice Group and a member of the firm’s Transnational Litigation Practice Group.
She has a wide range of experience in all key aspects of international arbitration with particular expertise in shareholder, telecommunications, SPA, energy, international trade and insurance disputes. She represents clients across the globe in a wide variety of arbitration proceedings, including those before the London Court of International Arbitration (LCIA), International Chamber of Commerce (ICC), United Nations Commission on International Trade Law (UNCITRAL), International Centre for Settlement of Investment Disputes (ICSID), Permanent Court of Arbitration in The Hague (PCA) Singapore International Arbitration Centre (SIAC), Hong Kong International Arbitration Centre (HKIAC) and London Maritime Arbitrators Association (LMAA), as well as in ad hoc proceedings. In addition to representing clients as counsel, Penny regularly sits as an arbitrator.
Her recent cases include representing two Middle Eastern oil and gas companies in multiple LCIA arbitrations arising out of a multi-billion oil and gas project in Kurdistan and disputed gas pipeline; representing a Middle Eastern oil and gas company in a multi-billion PCA administered arbitration against a state owned Middle East oil and gas company in a gas sales and pipe-line infrastructure project dispute; representing a telecommunications corporate in its US$17 billion dollar UNCITRAL investment treaty arbitration against a North African state for creeping expropriation and breach of the fair and equitable treatment standard; and representing shareholders in a major oil company with respect to multibillion dollar claims for expropriation under the Energy Charter Treaty against the Russian Federation.
Memberships
She is a member of the LCIA, CIArb, the Financial Sector Arbitration Group and the editorial board of Commercial Dispute Resolution. She writes and lectures on a wide variety of arbitration issues and is the international arbitration specialist for the Diplomatic Book and Website for foreign Embassies and High Commissions
Lawyer Rankings
London > Dispute resolution > International arbitration
(Leading individuals)With ‘deep international arbitration experience across the board‘, Gibson, Dunn & Crutcher is best known for large-scale, complex disputes. The London practice is jointly headed by ‘superb advocate‘ Cyrus Benson
, who regularly appears before commercial and investment treaty tribunals in telecoms, mining, infrastructure, and oil and gas claims; and ‘superb arbitration practitioner‘ Penny Madden KC, an expert in shareholder, telecoms, energy, international trade, and insurance disputes. The next line of experienced practitioners comprises former UK Lord Chancellor Lord Falconer KC, who focuses on commercial litigation, international arbitration and investigations; Osma Hudda, who maintains a broad disputes practice; and Doug Watson, who conducts arbitrations under a range of rules and arbitral institutions. In late 2022, former President of the European Court of Human Rights, Robert Spano, was recruited, while Piers Plumptre, who ‘takes a very commercial and practical approach‘, was made partner. Former partner Jeffrey Sullivan KC joined Debevoise & Plimpton LLP in July 2023.
London > Dispute resolution > Public international law
Gibson, Dunn & Crutcher‘s ‘first-rate public international law practice‘ is routinely sought out to act in heavyweight investment treaty claims. The team is jointly headed by Penny Madden KC, whose international arbitration expertise covers shareholder, telecoms energy, international trade, and insurance disputes; and Cyrus Benson, who ‘argues points of public international law with great skill‘. In late 2022, former President of the European Court of Human Rights, Robert Spano, joined the practice, while Piers Plumptre, who ‘has wide experience in public international law issues‘, was elevated to partner. Former partner Jeffrey Sullivan KC joined Debevoise & Plimpton LLP in July 2023.
Lawyer Rankings
- Leading individuals London > Dispute resolution > International arbitration
- International arbitration London > Dispute resolution
- Public international law London > Dispute resolution
Top Tier Firm Rankings
Firm Rankings
- Real estate > Commercial property: investment
- Dispute resolution > International arbitration
- Real estate > Property finance
- Corporate and commercial > VAT and indirect tax
- Corporate and commercial > Corporate tax
- Corporate and commercial > Equity capital markets – mid-large cap
- Projects, energy and natural resources > Infrastructure: M&A and acquisition financing
- Projects, energy and natural resources > Oil and gas
- Dispute resolution > Public international law
- Risk advisory > Regulatory investigations and corporate crime (advice to corporates)
- Dispute resolution > Banking litigation: investment and retail
- Dispute resolution > Competition litigation
- Corporate and commercial > EU and competition
- TMT (technology, media and telecoms) > IT and telecoms
- Corporate and commercial > M&A: Upper Mid-Market And Premium Deals, £750m+
- Corporate and commercial > Private equity: transactions – high-value deals (£250m+)
- Public sector > Administrative and public law
- Dispute resolution > Commercial litigation: premium
- Corporate and commercial > Financial services: non-contentious/regulatory
- Employment > Employers
- Projects, energy and natural resources > Power (including electricity, nuclear and renewables)