Highlighting its status as a top-tier international litigation practice, the team at Cleary Gottlieb Steen & Hamilton is well-versed in leading complex and high-profile cases worldwide. With strong experience in commercial litigation, from contractual and negligence-based claims through to complex fraud, unfair competition, tortious interference and fiduciary duty litigation, the team represents a domestic and international client base of financial institutions, international organizations and corporations across a comprehensive range of sectors. The firm is particularly strong in disputes arising out of complex commercial and financial contracts. The team is jointly led by New York-based Carmine Boccuzzi and Roger Cooper. Boccuzzi has vast experience acting for major financial institutions, multinational corporates and sovereign states in high-profile, multi-jurisdictional commercial and public law disputes, including sanctions, capital markets, antitrust and mass tort-adjacent litigation. Cooper brings extensive litigation expertise, with a particular focus on shareholder, class action and derivative disputes arising out of M&A transactions, corporate governance issues, capital markets activity and complex financial instruments. Lina Bensman specializes in ‘bet-the-company’ disputes and class actions, with a noted focus on complex civil litigation. Jeffrey Rosenthal centres his workload on commercial and international arbitration, particularly cross-border cases spanning financial services disputes, fraud-related claims and investment treaty matters.

With a globally integrated litigation practice, Debevoise & Plimpton LLP houses a deep bench of experts, with a practice spanning white-collar and regulatory defense, high-stakes commercial litigation, international arbitration and public international law, and complex intellectual property disputes, acting for corporates, financial institutions and sovereigns in their most sensitive and high-profile matters. Based in New York co-head Andrew Ceresney is noted for defending complex white-collar and regulatory matters, drawing on senior enforcement experience at the SEC and the U.S. Attorney’s Office. Co-head Jyotin Hamid brings deep expertise in employment litigation, with a particular focus on high-stakes executive disputes, whistleblower claims and sensitive internal investigations, and also has notable experience in complex commercial and intellectual property litigation. Catherine Amirfar routinely represents sovereign states and international organizations in public international law litigation and investment treaty arbitration. Frequently acting in landmark investor–state cases involving sovereign conduct, expropriation and complex damages issues is Mark W. Friedman. Andrew Levine and David O’Neil steers their practice towards white-collar and regulatory defense. William H. Taft V is another key member of the group.

With a robust international litigation group, the interdisciplinary group at Freshfields exhibits particular strengths in managing parallel global proceedings, cross-border enforcement and judgment litigation. The team is a key port of call for both individuals and corporates, showcasing particular experience in FCPA and related-anti-corruption investigations and enforcement proceedings. Heading up the New York-based group, Gayle Klein retains a prominent litigation reputation across a spectrum of disputes, from complex financial and fraud-related matters to trade secret, non-compete and major contract disputes. Adept in handling transactional and cross-border disputes is Timothy Harkness, who is a major player in cases involving allegations of fraud, breaches of contract and post M&A disputes. With frequent appearances before federal and state courts, as well as in a range of investigations, David Livshiz represents a client roster of multinational corporations, financial institutions, sovereigns, and investment vehicles. Kimberly Zelnick is a regulator powerhouse, well-equipped to act across a range of sectors. Paige von Mehren is another key name within the team.

Maintaining a stellar reputation as a US-based international litigation practice, Gibson, Dunn & Crutcher LLP is a key contender for complex and high profile arbitrations, routinely representing sovereign governments and global corporations across the US and globally. With particular strength in global tort and ESG disputes, technology and antitrust litigation, and sovereign enforcement proceedings, the firm is recommended for ‘understanding and managing immensely complicated fact patters and legal questions, and in developing case-winning strategies’. The team stands out for its successful representation of Chevron Corporation in a RICO and fraud suit, resulting in a $9bn judgment. Jointly leading the group is Los Angeles and Washington-based Perlette Michèle Jura, an ESG litigation expert, Los Angeles-based William Thompson who brings strong appellate and supreme court litigation experience, and Andrea Smith in Texas, who is recognized for her role in transactional litigation, notably within the environmental sector. In Los Angeles, Jacob T. Spencer is a go-to for clients in the tech, food and beverage, transportation and energy industries.

 

 

Recommended for ‘strategic thinking’, White & Case LLP showcases leading expertise in complex international litigation involving sovereigns, enforcement proceedings and globally coordinated, high-profile disputes. Its client roster comprises sovereigns, global institutions and multinational companies, with its representation of Meta being a standout client. Co-head Dave Hille is well versed in ‘bet-the-company’ litigations, with sector specializms in financial services, life sciences and energy. Co-head Glenn Kurtz covers high-stakes commercial litigation, routinely those involving complex financial and valuation issues. Christopher Curran draws his on longstanding experience as a leading litigation practitioner. Julian Lamm is a key player in the tech sector. Rachel Jari Feldman is a key port of call for clients spanning tech, social media and telecoms. The team has been strengthened by the arrival of Co-head Jonathan Polkes in March 2025, a key player in securities litigation, with white-collar criminal and civil litigation as another strong pillar in his practice. Claire DeLelle is another key member of the group. Tara Lee and Scott Lerner have left the firm. Benedict Bernstein has also left the firm.

Covering a broad range of international litigation areas, Arnold & Porter showcases standout strength in government-facing litigation and sovereign-related disputes. Counting national governments, global corporates, international organizations and executives within its client roster, the firm frequently deals with multidistrict litigations including ATA, TVPA, ATS and FSIA. New York-based co-head Marcus Asner is a go-to advisor for white collar investigations and enforcement matters. In Washington DC co-head Deborah Curtis is a prominent player in white-collar criminal and regulatory litigation, advising corporates and financial institutions on DOJ investigations, national-security-driven enforcement, and congressional inquiries. With particular strengths in technology, energy and life sciences disputes, San Francisco-based Maria Chedid routinely advises on disputes with sovereign or public-law elements. In Houston Christopher Odell is a key port of call for clients in the energy, healthcare and aviation industries. Amy Jeffress departed the firm in February 2025.

Recommended for enforcing US judgments abroad and foreign judgments in the US, Baker McKenzie fields a leading commercial litigation team, with particular strength in coordinated US and international disputes, class actions, jury trials and global judgment enforcement. Jointly spearheading the group is Mark Goodman, who focuses on complex commercial litigation, including product liability, class and multidistrict actions, and cross-border disputes tried in US state and federal courts, alongside Washington DC’s Jennifer Semko, who showcases stellar expertise in internal investigations, notably including shareholder disputes, administrative law challenges and cross-border matters. Dallas-based Michelle Hartmann brings expertise across energy disputes, trade secret and non-compete matters, and class and multidistrict actions. In Miami William Roppolo‘s key strengths are antitrust, fraud, FCPA, financial crime and RICO matters. Benjamin Davis is a go-to for business torts, fraud and RICO claims, asset recovery and insolvency-related litigation. Barry Thompson steers his practice towards commercial and product liability cases.

Bolstered by close integration with the firm’s international arbitration, trade and FCPA practices, the litigation team at King & Spalding is particularly noted for sovereign-facing international litigation, often arising out of energy, investment and politically sensitive matters. The group counts sovereign states, multinational corporations, financial institutions and energy and infrastructure investors within its client roster. Based in New York, Olivia Radin is highly regarded within the tech financial services and consumer sectors, across a wide array of investigations. Operating out of both Houston and New York, Reggie Smith steers his practice towards the energy and extractive industries, covering a range of international disputes. Washington DC-based Matthew McGill is active within the Supreme Court and courts of appeal, maintaining a strong reputation within civil litigations. Adept in the energy, tech, and pharma industries, Atlanta’s Elizabeth Silbert is a go-to for high-profile projects and foreign investments disputes. In New York, Richard Marooney is skilled across cross-border commercial, M&A and securities litigation.

Latham & Watkins brings market-leading strength in high-stakes commercial disputes, antitrust, securities, white collar and appellate litigation. The firm is sought out by multinational corporates, financial institutions and senior executives, notably within tech and pharma space. Leading the group is Michele Johnson, a renowned securities and shareholder litigator, with noted experience in class actions, M&A and takeover disputes, fiduciary duty claims and SEC enforcement matters. Sean M. Berkowitz and Mary Rose Alexander are prominent figures based in Chicago.

 

Showcasing strong expertise across sovereign litigation, global enforcement and hostile cross-border restructurings, Quinn Emanuel Urquhart & Sullivan, LLP acts for a client roster of sovereign states, global investors and creditors. The firm houses a unique Latin America-focused practice, leveraging its bilingual capabilities in Spanish, English and Portuguese. Acting for creditors and investors in complex multinational proceedings, New York and London-based co-head Dennis Hranitzky specializes in sovereign litigation, global asset recovery and cross-border enforcement disputes. Washington DC-based Juan Morillo is highly knowledgeable in white collar criminal defense and corporate investigations, including fraud, bribery, FCPA, AML, sanctions and FCA matters. Also in Washington DC William Burck brings expertise in white collar criminal defense and government and regulatory investigations, with niche experience in antitrust and complex commercial trials.

Sidley Austin LLP is recognized for handling complex, multi-jurisdictional disputes for global corporates and sovereigns, covering the full life cycle from trial through Supreme Court appeals. The group spearheaded in Washington DC by Gregory Williams, an expert in high-stakes international litigation involving foreign sovereigns and state-owned entities, excelling in foreign sovereign immunity, enforcement-related disputes, and multi-fora proceedings. Alongside co-head, Mark Guerrera who leverages strong experience in high-stakes cross-border commercial litigation, notably across complex financial disputes and international fraud-related matters, routinely leading multi-jurisdictional proceedings involving parallel actions across Europe, the UK, offshore centres and North America. Dallas-based Yvette Ostolaza and Washington, DC’s Carter Phillips and Gordon Todd are key members of the group.

Steptoe LLP boasts a strong international litigation practice, with particular strength in cross-border judgment enforcement and the coordination of international litigation, routinely acting for sovereign states, multinational corporations and high-profile individuals, including in energy-related disputes. Steering the team in Washington DC is Steven Davidson who retains a strong reputation in cross-border commercial litigation, with particular strength in judgment and award enforcement and multi-forum disputes. Handling the full-lifecycle of commercial disputes is Washington DC-based Michael Baratz, who is highly active across federal and state courts. Based in New York, Michael Miller has vast experience in white-collar criminal defense and government investigations. Also in New York, Nate Kritzer specializes in investment-related litigation, including securities and shareholder disputes, class actions and cross-border enforcement matters. Mariana Pendás has joined the firm.

Williams & Connolly LLP stands out for its broad expertise spanning investment treaty-related and energy litigation to complex commercial and patent-licensing disputes. The practice is supported by close integration with the firm’s international arbitration group, particularly in disputes involving parallel litigation and arbitration. Jonathan Landy‘s litigation practice centres on high-stakes commercial litigation, spanning cross-border disputes, trial and appellate advocacy, and sensitive investigations. Dane Butswinkas is well versed across complex commercial and regulatory litigations, with particular strength in financial services disputes, securities and antitrust claims. Charles Davant is highly active in state and federal courts, covering a broad range of disputes. Representing a client base of individuals and corporate clients is Christopher Manning, a go-to complex civil and criminal litigator. Haley Wasserman is another key figure within the team. All lawyers are based in Washington DC.

Fielding a globally integrated litigation practice, Winston Taylor is sought out for in complex, cross-border disputes, white-collar defense, and high-stakes regulatory and criminal proceedings. Jointly leading the team is New York’s Jeffrey Kessler and Chicago-based Dan Webb. In Washington, DC, Christopher Man is a seasoned trial lawyer, highly active representing corporations and senior public and political figures. In New York, Marcelo Blackburn is a key port of call for Latin American clients across a variety of complex commercial and class action litigation, arbitration, and regulatory investigations. Mariana Pendás has left the firm.

The international litigation practice at BakerHostetler is praised as ‘dynamic, efficient, and extremely goals-oriented’, with extensive experience in high-stakes, cross-border disputes and recovery work. The team has particular expertise in international fraud, asset recovery, and enforcement-led litigation, involving a wide array of industries, from technology and life sciences to finance, manufacturing and M&A. Houston-based co-head Sashe Dimitroff is reputed for his work in high-value cross-border cases for US and multinational companies. In New York, co-head Oren J. Warshavsky has a standout IP and multi-jurisdictional litigation proceedings focus. Highly active in the federal and state courts is David Sheehan, an expert in global fraud and asset tracing and recovery. Gonzalo Zeballos is a key contact for internal investigations.

With renowned financial services and securities litigation expertise, the New York-based team at Clifford Chance is a go-to for banks, multinational corporates and states to cover disputes involving fraud allegations, sovereign debt, sanctions, tax, and market-manipulation claims. Steering the group is Robert Houck, a seasoned litigation expert, specializing in high-stakes securities, commodities and antitrust litigation, with a particular focus on defending class actions and regulatory investigations under US federal securities and commodities laws. Anthony Candido and Jeff Butler bring deep expertise in complex commercial disputes, leveraging experience across federal and state courts. Peter Isajiw is a commercial and securities litigation expert. John Friel is a key port of call for financial institutions and corporate clients in a range of disputes.

Distinguished by its oil and gas sector expertise, with a dominant Latin America and emerging markets focus, Curtis, Mallet-Prevost, Colt & Mosle LLP is well-equipped to handle high-stakes international litigation for states and state-owned entities. Joseph Pizzurro leads the team.

Tara Lee, Scott Lerner, and Benedict Bernstein have joined the firm.

Credited for an ‘excellent knowledge of the international landscape’, Diaz Reus International Law Firm acts in high-stakes, cross-border commercial litigation involving sovereign entities and politically sensitive disputes, particularly complex, multi-jurisdictional matters between the United States and Latin America. The firm often represents foreign governments and state-owned entities, public officials, financial institutions and multinational corporations. Heading up the team is Michael Diaz Jr., who brings a wealth of experience representing clients through Latin America and the Middle East in complex cross-border disputes, and Gary Davidson who routinely handles Latin America–focused international litigation, with particular strength in sovereign and bondholder disputes and maritime actions. Seasoned international litigator Marta Colomar-Garcia excels in enforcement of foreign judgments, cross-border discovery and service of process. Brant Hadaway brings expertise in international commercial disputes, contracts, and regulatory compliance. George Diaz is a go-to doe US and international transactions and disputes. All lawyers are based in Miami.

DLA Piper LLP (US)’s Global Enforcement and Asset Recovery team stands out for elite sovereign-facing enforcement litigation, its ability to run coordinated global court strategies, and its role in advancing enforcement jurisprudence in U.S. court. In New York, co-head James Berger is widely recognized for his cross-border enforcement litigation work. Also steering the group is Philadelphia’s Ilana Hope Eisenstein and New York-based Loren Brown. In New York, Charlene Sun‘s workload consists of cross-border enforcement and asset-recovery disputes.

With a noted focus on high-stakes sovereign litigation at the intersection of international law, diplomacy, and global governance, Foley Hoag LLP is a key contact for states, state-linked entities, and foreign multinationals. Leveraging deep experience representing European, Asian, Middle Eastern, and Latin American States in high-stakes international litigations, Constantinos Salonidis co-heads the group in Washington, DC, In New York, Christina Hioureas sits as co-head, routinely advising on international investment and commercial arbitration disputes, with standout skills advising states before the United Nations. Andrew Loewenstein is sought out for his expertise in defending sovereign states under the US Foreign Sovereign Immunities Act.

With an established securities litigation group, Grant & Eisenhofer P.A. showcases extensive experience in pursuing opt-in securities actions in foreign jurisdictions, advising institutional investors on recovery strategies where US class actions are unavailable post-Morrison. From New York, the team is led by Jay Eisenhofer, Olav Haazen and Guus Warringa. Eisenhofer maintains a strong reputation for global securities and shareholder litigation, particularly renowned for record-breaking investor recoveries and precedent-setting corporate governance cases. Haazen leverages longstanding experience in cross-border securities fraud and antitrust litigation, known for leading large-scale international investor recovery and price-fixing claims.

Counting a broad range of regulated and capital-intensive industries, from life sciences and healthcare to financial services, energy and infrastructure, within its client base, Linklaters LLP litigation practice focuses on high-stakes commercial litigation in federal and state courts, with particular strength in complex contractual disputes and commercial torts. The team was strengthened by the arrival of New York-based co-head Adeel Mangi in January 2025, who excels in high-stakes commercial trial litigation, with particular strength in trade secrets, complex contractual disputes, IP-driven business conflicts and bet-the-company jury trials. Also in New York, Douglas Tween has strengths in antitrust and cartel investigations and James Warnot excels across a range of complex commercial litigation, with an emphasis on financial services issues. In Washington DC, co-head Adam Lurie is reputable across high-stakes commercial litigation, white-collar criminal defense and government investigations, regularly acting for multinational corporates, financial institutions and foreign governments. In the same office, Richard Smith is a white-collar and investigations specialist handling criminal, regulatory and complex commercial disputes.

Noted for leveraging foreign procedural tools to support US litigation, Meister Seelig & Schuster is reputed for cross-border commercial litigation, particularly US-led disputes with parallel foreign proceedings. Seasoned commercial litigator, Alexander Pencu, places focus on high-stakes product liability disputes, particularly for European manufacturing clients. As well as strong cross-border litigation skills, Christopher J. Major stands out for his insolvency litigation work. Kathryn Matthews is highly active in cryptocurrency litigation and cross-border jurisdictional discovery.