Commercial Litigation

AI, Digital Disputes and Investigations

Rapid advances in technology are offering previously unimaginable opportunities for product development, business optimization, and growth. With opportunity comes complexity and risk, particularly given the recent surge in generative Artificial Intelligence (AI). Our team helps clients navigate AI-related disputes and investigations while ensuring continuity. Whether you're looking at your use of data, contracting with a third party, developing a new type of technology, or navigating the complexities of generative AI, we’ll partner with you to identify your risks and protect your opportunity in this fast-moving environment. Our experience spans across a broad range of disputes, including cyber incidents, data class actions, data protection, technology-based solutions and services, and products. Ranked #1 by the Financial Times in 2025 for consistent innovation, we combine legal excellence with proprietary AI tools and deep in-house experience to deliver tailored strategies that mitigate risk and support long-term success.

Antitrust and Competition Litigation

Our Antitrust and Competition Litigation team is recognized for handling some of the most complex and high profile antitrust disputes worldwide. With one of the largest and most experienced global practices, we act across key jurisdictions – including the U.S., the UK, the Netherlands, and Germany – to deliver seamless cross border defense. We advise on the full spectrum of competition claims, from cartel and price fixing allegations to abuse of dominance, merger challenges, collective actions, and state attorney general litigation. Clients rely on our integrated, multinational approach, and ability to coordinate strategy across forums to resolve complex competition disputes efficiently and decisively.

Appellate and Supreme Court Litigation

Our Appellate and Supreme Court team is trusted by clients to handle their most consequential matters, drawing on unmatched experience before the U.S. Supreme Court and nationwide courts of appeals. Led by renowned advocates Cate Stetson and Jessica Ellsworth, the team brings strategic clarity, persuasive writing, and exceptional oral advocacy to every stage of review. With a deep bench of lawyers who have clerked for appellate judges across the country, including multiple Supreme Court justices, we blend rigor, creativity, and collaboration to shape the law and secure results that resonate far beyond a single dispute.

Automotive Litigation

Our Disputes team helps automotive clients navigate complex disputes across courts, tribunals, and regulatory bodies worldwide. We represent leading manufacturers, OEMs, distributors, and suppliers in high-stakes class actions, product liability, and consumer claims – combining litigation excellence with deep industry insight. Our team advises across the product lifecycle, including safety, compliance, and regulatory risk. We also guide clients through supply chain challenges such as material shortages, pricing volatility, and force majeure events. With strong international enforcement and crisis response experience, we deliver strategic, practical solutions that protect our clients and keep their businesses moving.

Aviation Litigation

Our aviation litigation team represents airlines, lessors, manufacturers, and service providers in high-stakes disputes around the world. We bring unmatched regulatory insight, strengthened by lawyers who have held senior roles across the FAA, U.S. Department of Transportation, NTSB, and other aviation authorities. Our deep relationships with global policymakers and agency leaders help clients navigate investigations, enforcement actions, and complex cross border issues with confidence. Working seamlessly with our Regulatory and Government Relations practices, we provide a one-stop defense for litigation involving business partners, consumers, Congress, and regulators. Clients trust us for practical strategies, industry fluency, and results that protect their operations and reputation.

Civil Fraud

Civil fraud disputes today span borders, industries, and legal systems – often involving multibillion-dollar claims, urgent injunctions, and coordinated asset recovery across multiple jurisdictions. Our team represents financial institutions, corporations, state-owned entities, insolvency practitioners, and high-net-worth individuals in some of the most high-profile fraud cases worldwide. We bring deep experience in fast-moving injunctions, complex cross-border litigation, and strategic enforcement efforts. With particular strength in matters connected to Eastern Europe and Central Asia, we combine local insight with global coordination. Known for our creativity and commercial focus, we deliver practical, decisive solutions in the most challenging fraud disputes.

Class and Collective Actions

Class and collective actions are expanding rapidly across industries and jurisdictions, creating significant global exposure for companies. Our Global Class and Collective Actions team defends these high-stakes matters with sophisticated litigation strategy, deep regulatory insight, and seamless multi-jurisdictional coordination. We help clients manage risk at every stage – from forum strategy and certification defense to trial and resolution. With market-leading experience across diverse legal regimes and sectors, we deliver locally grounded, globally coordinated defense – no matter the issue, no matter the market.

Construction and Engineering Disputes

Construction and engineering matters often unfold across borders and sectors, and our Disputes team brings coordinated, real time guidance to every stage of a project. With globally recognized practitioners and deep sector insight – particularly in energy, manufacturing, and industrials – we deliver coordinated, cross border support from project planning through delivery. We advise on regulatory issues, negotiate project and financing documents, and guide clients through construction phases to manage cost, delay, and performance risk. When disputes arise, our experienced litigators and arbitration practitioners act quickly to protect value. Clients trust us for practical, real-time advice that prevents issues, resolves conflicts efficiently, and keeps major projects on track.

Consumer Litigation

In an environment of evolving consumer expectations and regulatory scrutiny, our Consumer Litigation team provides targeted, business‑driven approaches. We handle the full spectrum of consumer matters – including product liability, false advertising, privacy, and commercial claims – drawing on deep industry knowledge to anticipate sector specific risks. With a global network of experienced litigators, we manage cases of any scale, from single plaintiff suits to multijurisdictional actions. Our integrated approach ensures seamless coordination across forums and disciplines, allowing us to control discovery burdens, mitigate reputational exposure, and deliver practical solutions efficiently. Our clients rely on us to protect their brands, manage evolving regulatory challenges, and resolve consumer disputes with clarity and confidence.

Contracting and Supply Chain Disputes

Global supply chains are under unprecedented pressure, turning routine commercial relationships into potential high-stakes disputes. Our team helps clients navigate disruptions arising from terminations, price increases, capacity shortfalls, scarcity of materials, and quality issues. We are experienced in managing business critical single sourcing conflicts, threats of delivery interruption, and allegations of market power misuse. Drawing on deep antitrust, commercial, and industry insight, we advise on urgent supply chain risks, from force majeure and tight-supply conditions to unexpected contract terminations. Whether through negotiation, litigation, or emergency proceedings, we work to stabilize supply relationships, mitigate operational and financial exposure, and keep businesses moving.

Corporate and Securities Litigation

When corporate governance, shareholder, or securities issues escalate, clients rely on our globally integrated team for decisive, business focused litigation strategies. Our Corporate and Securities litigators represent public and private companies in securities class actions, shareholder and governance disputes, M&A and post transaction litigation, and fund related claims. Combining local insight with seamless cross-border execution, we advise early to prevent escalation and act decisively when litigation arises. Internationally, we are recognized for resolving complex joint venture, board liability, and D&O matters around the globe. Partnering with our transactional colleagues and bringing deep industry knowledge, we deliver clarity, strategic advantage, and results aligned with your business goals.

Data, Privacy, and Cybersecurity Disputes

Data, privacy, and cybersecurity disputes move quickly and demand deep litigation strength with high technical fluency. Our global team handles complex class actions, regulatory investigations, and cross-border disputes involving data breaches, pixel, web-tracking and session replay, biometrics, AI, and other emerging technologies. Our clients include leading technology, media, sports, life sciences and health care, insurance, and consumer products companies. With experience in the market’s most significant cybersecurity and privacy matters, we deliver clear, commercially grounded strategies in rapidly evolving enforcement and litigation environments.

Digital Disputes and Investigations

Rapid advances in technology are offering previously unimaginable opportunities for product development, business optimization, and growth. With opportunity comes complexity and risk, particularly given the recent surge in generative AI. Whether you're looking at your use of data, contracting with a third party, developing a new type of technology, or navigating the complexities of generative AI, we’ll partner with you to identify your risks and protect your opportunity in this fast-moving environment. Our experience spans across a broad range of disputes, including cyber incidents, data class actions, data protection, technology-based solutions and services, and products.

Artificial intelligence 

Artificial intelligence (AI) and digital transformation are revolutionizing business operations across sectors, bringing both innovation and legal complexity. Our team helps clients navigate AI-related disputes and investigations while ensuring continuity.

Energy Disputes

High-stakes disputes are a regular feature of the energy industry, often prompted by energy price volatility, geopolitical tensions, government actions, ESG drivers, and other unpredictable events. We can help you leverage dispute resolution channels to your advantage, to protect and advance your market position. We always look to address points of tension and disputes at an early stage to minimize the chance of escalation, though where necessary, we have the court experience and reputation to deliver the best outcomes for our clients.

Environmental Litigation

We represent clients in litigation matters governed by the environmental laws in courts and before agencies globally, involving civil and criminal enforcement actions, class actions, appeals, cost recovery and contribution actions, rulemaking challenges, toxic torts, citizens suits, product liability, permit appeals, and water permit and allocation suits. We leverage the deep knowledge of our environmental lawyers on the substantive laws and regulations to develop the most effective litigation strategies and defenses.

Environmental, Social, Governance (ESG) Litigation

ESG related disputes continue to accelerate, driven by environmental claims, whistleblowing allegations, supply chain risks, governance failures, and human rights concerns. These matters often span multiple jurisdictions, attracting regulatory scrutiny and significant reputational risk. Our global ESG Litigation team advises across environmental, social, and governance disputes, including climate related claims, greenwashing, corruption, board oversight, and workplace or human rights issues. With deep subject matter knowledge and leading investigations capability, we deliver coordinated, multijurisdictional strategies that protect brands and long term value. Whether before courts, arbitral panels, or regulators, we focus on practical, commercially grounded solutions.

Financial Services Litigation and Regulatory Enforcement Investigations

Banking and finance disputes demand technical mastery, industry familiarity, and coordinated execution across major financial centers. Our team represents global banks, financial institutions, asset managers, and market participants in high value litigation, regulatory enforcement, internal investigations, and cross-border disputes. We bring deep knowledge of products and markets – including derivatives, structured finance, lending, wealth/private banking, trade finance, and consumer finance – along with experience in benchmark manipulation, distressed assets, mis-selling, fraud, and complex structured products. Working seamlessly across jurisdictions, we deliver strategic, commercially focused solutions in class actions, investigations, and contentious regulatory matters, drawing on decades of precedent setting experience and strong relationships in key financial hubs.

Global Regulatory Litigation – Administrative Procedure Act (APA) and Judicial Review

Regulatory actions are increasingly fast moving, high impact, and subject to intense scrutiny. Our Global Regulatory Litigation team pairs our Regulatory practitioners with our litigators to represent clients in challenges to agency decisions across industries and jurisdictions. In the U.S., we are leaders in Administrative Procedure Act (APA) disputes, ensuring federal agencies remain within statutory limits, justify their actions, and follow required procedures. We secure emergency injunctions when timing is critical and litigate complex matters that span trial and appellate courts. Beyond courtroom advocacy, we advise clients during rulemakings to shape the administrative record and strengthen future challenges. Our integrated regulatory and litigation capabilities provide both legal precision and strategic foresight.

Insurance Litigation

Insurance and reinsurance disputes demand technical precision, sector fluency, and the ability to manage high exposure risk across multiple markets. Our global Insurance Litigation team represents insurers, reinsurers, intermediaries, and corporate policyholders in complex coverage disputes, claims handling issues, and commercial conflicts across all major lines of business. Drawing on deep industry insight and decades of experience across jurisdictions, we handle large scale litigation, arbitration, and cross-border matters with strategic clarity and efficiency. By integrating market leading sector knowledge with the broader capabilities of our global firm, we deliver coordinated, practical solutions that protect financial outcomes and support long term business priorities.

Intellectual Property and Patent Litigation

When your intellectual property is at stake, rely on a team of litigators with technical depth and global reach. We handle high-stakes disputes across patents, trademarks, trade secrets, and copyright – delivering strategic, business-aligned solutions in the venues that matter most.

Life Sciences and Health Care Disputes

Life sciences and health care disputes demand sector fluency, technical depth, and coordinated global execution. Our global team offers integrated litigation, regulatory, and industry knowledge across pharmaceuticals, biotechnology, medical devices, digital health, and health care services. We represent the world’s largest pharmaceutical companies in high profile product liability, data and cybersecurity matters, regulatory challenges, class actions, and complex cross-border disputes. Our acclaimed teams are recognized for delivering strategic, commercially focused solutions under pressure, supported by deep experience in international arbitration, investigations, and appellate advocacy.

Pensions Litigation

Pensions disputes demand technical precision, strategic judgment, and an understanding of the regulatory and commercial pressures facing trustees, corporations, and public bodies. Our pensions litigators work across jurisdictions to manage complex, high value matters – from scheme funding challenges and trustee disputes to claims arising in corporate transactions and insolvency scenarios. We build multidisciplinary teams tailored to each matter, ensuring efficiency, consistency, and sector-specific insight. Whether proceedings attract public attention or are resolved discreetly, our focus is on protecting long term scheme value and stakeholder interests. With a strong track record at trial and appellate levels, we deliver authoritative advocacy and clear, commercially grounded guidance.

Products Law

Our global Products Law practice is internationally renowned for its work in product litigation, liability, safety, and compliance for universally recognized brands in every industry sector. For decades, our practice has worked collaboratively to provide clients with a one-stop-shop service for all their products’ needs. Our global team, consisting of over 100 lawyers spread across 30 countries, covers all product sectors, meaning clients receive the most comprehensive advice through the practice’s extensive experience with technical and scientific issues in the most complex and highly regulated industries. The team is highly recognized in the product liability space for its mastery of litigation within the regulatory framework.

Real Estate Litigation

Disputes are an inevitable consequence of a complex world shaped by geopolitical tension, economic uncertainty, and regulatory change. We can help you anticipate and address potential disputes before they escalate. We will always prioritize your business relationships and ensure that your disputes are handled sensitively, putting your commercial objectives at the heart of our strategic thinking. We can help you use dispute resolution methods to assert your rights and seek competitive advantage, but without jeopardizing your market reputation or key relationships.

Restructuring and Special Situations Litigation

Restructuring and insolvency disputes require technical precision, rapid action, and coordination across jurisdictions. Our global team advises creditors, debtors, investors, and insolvency practitioners on the full spectrum of contentious issues, including fraudulent transfer, fiduciary‑duty claims, preferences, equitable subordination, plan challenges, and cross‑border enforcement. With decades of experience in major financial centers and deep capability under both English and U.S. legal frameworks, we handle matters that often unfold across multiple courts and regulatory regimes. We field multidisciplinary teams tailored to each situation, delivering clear, commercially grounded strategies that protect value, manage risk, and achieve timely, strategic outcomes in the most complex insolvency scenarios.

Sanctions Disputes and Investigations

Sanctions disputes and investigations require precise regulatory insight and coordinated global execution. Our Sanctions team advises on U.S. and non-U.S. regimes, including OFAC rules, blocking statutes, and emerging geopolitical measures affecting cross-border business. Working across the U.S., UK, Europe, and APAC, we assess exposure across complex corporate ownership and control structures, design practical compliance frameworks, and secure licenses for restricted transactions. We support clients through internal reviews, voluntary disclosures, and enforcement actions, drawing on strong agency relationships and daily monitoring of sanctions developments. With experience across technology, finance, health care, energy, and other regulated sectors, we deliver clear, commercially grounded guidance in complex, fast shifting environments.

State Attorneys General

State Attorneys General have become some of the most assertive regulators in the U.S., driving multi-state investigations, shaping enforcement priorities, and pursuing litigation that can redefine entire industries. Our world-class State AG team, led by the former AG and Deputy AG of the District of Columbia, brings unmatched insight into how AG offices operate, set agendas, and evaluate corporate conduct. We combine decades of public sector and private practice experience with strong relationships nationwide and a litigation-first strategy. Whether responding to confidential inquiries or defending against coalition actions, we deliver strategic counsel, early stage resolution pathways, and experienced advocacy in the matters AGs scrutinize most.