International Commercial Arbitration

Our global, multicultural and multilingual International Commercial Arbitration team brings strong expertise across continents and various industry sectors to help you avoid and resolve disputes.

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At Hogan Lovells, our award-winning international commercial arbitration team delivers the insight, advocacy and global reach that clients rely on when the stakes are highest. With one of the most substantial and experienced arbitration practices worldwide, we guide clients through every phase of the arbitration process — from strategic planning and risk management to hearings and award enforcement — with a focus on clarity, efficiency, and achieving outcomes that support your broader commercial goals.

Our lawyers act both as counsel and as arbitrators, giving us a nuanced understanding of how tribunals assess evidence, interpret arguments, and make decisions. This dual experience enables us to craft persuasive, forward thinking strategies and anticipate the issues that matter most — helping you navigate complex disputes with confidence.

We advise clients across key sectors including energy, mining, life sciences, financial services, infrastructure, manufacturing, automotive, consumer goods and more. Our work spans the full range of high value corporate and commercial disputes — from SPAs and joint venture breakdowns to post M&A challenges, warranty claims, earn out disputes, and cases shaped by geopolitical uncertainty, inflationary pressures or supply chain disruption.

Wherever your dispute arises, we bring together the right team across our global network, ensuring seamless coordination and a unified strategy. With arbitration specialists in all major arbitral hubs and fluency in more than 15 languages, we provide the cross border perspective needed to manage multi jurisdictional proceedings and parallel actions effectively.

We place your business objectives at the center of every decision we make. Whether you need proactive advice to prevent disputes, incisive advocacy in high profile proceedings, or support enforcing or defending an award, our team is committed to delivering practical, strategic solutions that protect value and minimize disruption.

With Hogan Lovells, you have a partner who understands your industry, your priorities, and the demands of global dispute resolution — and who works alongside you to achieve the best possible result.

Investment Arbitration

Public International Law

Construction and Engineering Disputes

Construction and Engineering

Global Asset Recovery and Enforcement

Cross-border disputes are complex. To prevent and resolve these disputes efficiently, you need a trusted partner with deep industry sector knowledge and comprehensive know-how of international arbitration and other dispute resolution mechanisms.

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Our world-class Investment Arbitration team offers multijurisdictional capabilities, representing both investors and sovereign states in complex, high-stakes disputes under bilateral and multilateral treaties. With a proven track record before all leading arbitral institutions, we guide clients through every stage of the arbitration process, safeguarding their investments and advancing their commercial strategies.

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In a world of escalating geopolitical tension, public international law provides a vital framework for resolving disputes. Our global team - headquartered in Washington, D.C., London, and Paris – has an exceptional record in international trade, investment treaty, and commercial disputes. Whether you are an international investor, a state or a state-owned entity, we can help you navigate the most complex and precedent-setting cases.

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Our team has an in-depth understanding of the construction and engineering sector across the world. Clients instruct us to represent them on some of their most challenging projects from risk management through to formal disputes resolution.

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Our global team has an exceptional understanding of the construction and engineering industry. We assist clients through all construction phases, helping them manage costs and delay by addressing issues early to avoid disputes where possible. If disputes do escalate, we provide outstanding arbitration skills to deliver favorable outcomes.

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From asset freezing and recovery, to judgment enforcement and collection, our experienced team is here to help you navigate the administrative, legislative, and judicial processes. Over the last 30 years, we have handled some of the highest-profile and highest-value cases in the market. We work as one seamless team alongside world-class investigations and white collar, insolvency, and banking litigation practices to ensure your best interests are served across borders and forums.

Hear from our clients and industry leaders

Hogan Lovells is very efficient, organised and structured.” – Client testimony

Chambers & Partners International Commercial Arbitration

They are not just lawyers, but are also partners. They understand and feel the time constraints and do whatever is in the best interest of the company." – Client testimony

Legal 500

They have significant expertise and are very commercial.” – Client testimony

Chambers & Partners International Commercial Arbitration

The team of experienced lawyers showed excellent expertise in navigating challenging legal issues and providing strategic solutions for us.” – Client testimony

Chambers & Partners International Commercial Arbitration

Key contacts

Oliver (Ollie) J. Armas

Partner

Oliver (Ollie) J. Armas

Partner

New York

Kieron O'Callaghan

Partner

Kieron O'Callaghan

Partner

London

Zoe Dong

Partner

Zoe Dong

Partner

Hong Kong

Karl Pörnbacher

Partner

Karl Pörnbacher

Partner

Munich

Richard C. Lorenzo

Regional Managing Partner - Americas

Richard C. Lorenzo

Regional Managing Partner - Americas

Miami

Meet the International Commercial Arbitration team

Representative experience

Representing a gold exploration company in an ICC arbitration regarding the ownership and control of a Cypriot project company and two North African gold mining concessions.

Successfully represented two Georgian state entities against a US-based company in a multibillion-dollar UNCITRAL arbitration related to the exclusive rights to explore, develop and produce oil and gas in Georgia.

Representing the Nigerian subsidiary of an international oil company in a substantial LCIA arbitration relating to the sale of oil mining leases in the Nigerian deep offshore.

Representing an Italian subsidiary of a US-based multinational conglomerate in a post-M&A arbitration relating to the adjustment of the provisional purchase price paid at the closing date.

Successfully represented a global car manufacturer on the acquisition of a rental car company regarding fraud and breach of a M&A contract for the sale and operations and criminal RICO action against the sellers.

Representing a company in an ICC arbitration seated in Paris under Dutch law against a major furniture manufacturer regarding the adjustment in the price of the shares of a jointly owned company.

Representing an Asian high-tech company in an ICC arbitration in connection with a post-M&A dispute on purchase price adjustment, representations, and indemnifications following the acquisition of a business unit from a DAX 30 company.

Representing a Swedish pharmaceutical company in an ICC arbitration related to a post-M&A dispute against a private equity fund, making claims under reps and warranties resulting from a global acquisition.

Representing a Global Fortune 500 company in an ICC arbitration seated in Switzerland against another multinational in relation to a failed multibillion-dollar acquisition in South East Asia.

Acting in a high-value ICC arbitration between two global automotive companies seated in London in relation to the acquisition of a minority shareholding under a Share Purchase Agreement and related disputes in connection with the termination of a strategic alliance.

Representing an oil and gas company in a dispute with a global transport and logistics company arising from the buy-out of shares in an African joint venture.

Advising a stated-owned oil and gas company in relation to a dispute regarding preemptive rights in relation to the sale of shares in connection with a European pipeline joint venture.

Representing our client in a US$100 million ICC arbitration in Mexico City related to the alleged breach of a Partnership Agreement.

Acting for Victor Pinchuk, a Ukranian businessman, in English High Court proceedings and related arbitration proceedings against a billionaire former regional governor of Ukraine, regarding the ownership of high-value Ukrainian steel and mining assets.

Acted for claimants in an LCIA arbitration brought on behalf of an insolvent Ukraine-based agricultural conglomerate specializing in sunflower oils and fats, against its former owners for fraudulent misrepresentation and breach of a share purchase agreement.

Acting in three parallel SCC arbitrations between a Kazakh manufacturing facility and financial institutions.

Represented a Japanese pharmaceutical company in a dispute against its U.S.-based former licensor in a NY-seated ICC arbitration relating to the breaches of the License Agreement following its discontinuation of the licensed product.

Represented a biopharmaceutical company in an AAA arbitration related to a patent licensing agreement dispute.

Representing an American biopharmaceutical company in an ICC arbitration seated in London concerning the alleged breach of a distribution agreement.

Successfully obtained an award for the client in an ad hoc arbitration in London under the UNCITRAL rules concerning claims for breach of Joint Operating Agreement provisions regarding rights to “back in” to a sole risk development project in the Far East.