Cleary Gottlieb Steen & Hamilton’s international litigation practice has extensive experience representing leading domestic and multinational clients, including international organizations, trade associations, and corporations across a wide range of industries. Litigators within the team are adept at handling matters including ISDA Master Agreements, loan and licensing agreements, joint ventures, and repurchase and supply agreements. The broader international nature of the firm allows the team to work closely with other practices within the firm. Based in New York, Carmine Boccuzzi’s practice is based around work involving foreign sovereigns and state-owned entities, as well as domestic disputes involving capital markets and antitrust. Also in the New York office, Jared Gerber frequently acts on high-profile complex matters, notably including the highly publicized Vale SA litigation levied by the US Securities and Exchange Commission. The capabilities of the practice are expanding, with the arrival of both David Last from the FCPA Unit of the Department of Justice in July 2023, and Angela Dunning from Cooley LLP in October 2023. Noted practitioners include Jeffrey Rosenthal, with experience in international arbitration and litigation, and Roger Cooper, with a focus on class actions.

Debevoise & Plimpton LLP‘s litigation practice has extensive knowledge in various areas of litigation, with expertise in white-collar matters and regulatory defense, along with commercial litigation and international arbitration. Intellectual property is another mainstay of the practice that has a presence across the United States, United Kingdom, France, Germany, Shanghai, and Hong Kong. Andrew Ceresney is the head of the team, frequently representing public companies, financial institutions, asset management firms, and accounting firms, bringing experience from his time with the US Securities and Exchange Commission. Mary Beth Hogan co-chairs the practice, with a focus on intricate investigations. Also of note is Catherine Amirfar, working on public international law and treaty arbitration, representing clients in federal and state courts, as well as before the ICJ and arbitration tribunals internationally. The experience of Andrew Levine  with the Foreign Corrupt Practices Act, and David O’Neil with FCPA defense and congressional investigations, adds to the capabilities of the team. Bruce Yannett chairs the white-collar and regulatory defense part of the practice, with Ina C. Popova highly active in international litigation and arbitration. All members of the team are based in New York.

 

Gibson, Dunn & Crutcher LLP‘s transnational litigation group specializes in complex international disputes, working with high-net-worth individuals and leading companies on leading cases. Leading supply chain cases including human rights and ESG-related matters are often undertaken by the practice that is adept at defending corporations in regulatory investigations. Sensitive internal investigations across financial institutions, insurance, and accountancy are a key strength of the team. In the Los Angeles office, Perlette Michèle Jura is a co-founder of the practice, and plays an integral role in the environmental, consumer, and tort matters acted on by the team. In the same office, William Thomson notably represents Chevron in complex protracted litigation, and is part of the leadership team alongside New York-based Andrea Smith. Smith is skilled at handling litigation in front of both federal circuit and supreme courts, and is notably Dole Food’s lead counsel. Operating out of Washington DC, Thomas Hungar aids clients with both congressional investigations and RICO litigation, and is an integral part of the team representing Chevron, while Anne Champion in New York remains a key name for complex international disputes, including RICO, fraud, and tort claims.

The international litigation practice at Quinn Emanuel Urquhart & Sullivan, LLP has wide-ranging capabilities, with extensive knowledge of sovereign litigation, global asset recovery, and international arbitration-related litigation. The firm is widely lauded for its disputes involving sovereign states, handling a range of high-profile matters. ‘Very experienced and pragmatic‘ Dennis Hranitzky is a leading figure in this space, splitting his time between the firm’s Salt Lake City and New York offices, with a practice centered on multinational asset recovery and contentious cross-border insolvency matters. He is commended for being ‘strategically very good and easy to work with‘ alongside Mark McNeill. In Washington DC, co-managing partner William Burck and Juan Morillo, co-chair of the white collar and corporate investigations department are key to the team, with Morillo representing clients in federal, state, and congressional investigations. In Los Angeles, Kristin Tahler sustains a focus on complex international matters, white-collar crime, and internal investigations.

White & Case LLP has a diverse offering across international litigation, combining a strong record in commercial disputes with integrated expertise in key areas such as antitrust, intellectual property, and white-collar crime. The firm has a particularly strong record in enforcement litigation, both on the enforcement and defense side, and counts among its clients a diverse range of sovereign wealth funds, governments, and major names in tech, financial services, and manufacturers, among others. Glenn M. Kurtz  leads the team from New York, offering significant expertise in high-stakes trials across industries and jurisdictions, while Washington DC's Christopher Curran is a vastly experienced name, with a long-standing track record in key matters, particularly relating to extraterritorial application of US state and federal law as evidenced by his recent work for major clients such as for the Republic of the Sudan. Also in DC, Claire DeLelle has standout capabilities in defending foreign financial institutions, including the National Bank of Pakistan, and has seen success on behalf of corporate and sovereign entities alike. In Los Angeles, Rachel Jari Feldman acts for clients in a variety of industries, most notably telecoms, tech, and social media.

A&O Shearman‘s international litigation practice has vast trial experience, with in-depth knowledge of securities litigation, white-collar, regulatory, and investigations work. Information requestions and enforcement actions are regularly advised on by the team, with expertise in associated business, reputational, and regulatory risks. The team has a well-established China securities litigation department, and represents a range of leading clients, including Danske Bank, Citigroup, BNP Paribas, Bank of America, and Softbank. Based in the New York office, Adam Hakki is a well-commended litigator for securities and trading market cases, alongside the DOJ, SEC, and FINRA. Hakki is joined by Richard Schwed in the same office. Katherine Stoller bolsters the team with her expertise conducting corporate internal investigations, including whistleblower and workplace investigations. Also of note are New York-based John Nathanson and in the Washington DC office, Mark Lanpher.

Arnold & Porter’s team regularly handles complex matters for national and leading multinational corporates with a raft of experience in state, federal, and international courts. Investor-state disputes are a key part of the practice that is further noted for its handling of intricate matters under ATA, TVPA, AT, and FSIA legislation. The practice counts banks, energy companies, foreign sovereigns, and medical companies notably including Pfizer and AstraZeneca amongst its clients, and is commended for its anti-corruption capabilities, heralding experience with the Foreign Corrupt Practices Act and UK Bribery Act. Washington DC based Kenneth Chernof  brings extensive experience to the practice, acting as the co-chair of complex litigation alongside James Herschlein, who operates out of New York. In the same office, Marcus Asner maintains a focus on investigations work. Experienced arbitrators Paolo Di Rosa, also in DC, and San Francisco-based Maria Chedid are noted within the team, frequently representing sovereign states and private sector companies domestically and internationally. The department continues to grow, with the arrival of Deborah Curtis from the CIA, and Stephen Cha-Kim from the US Attorney’s Office for the Southern District of New York. Amy Jeffress left the firm in February 2025.

The ‘very knowledgeable and resourceful‘ practice at Baker McKenzie is adept at handling cross-border disputes, acting on a wide array of high-profile matters. The team is led out of San Francisco and Washington by Mark Goodman and Jennifer Ancona Semko, with expertise in state and federal courts. Los Angeles-based Teresa Michaud is integral to the team, with a focus on TMT related matters and class actions. William Roppolo, operating out of Miami, leads the government enforcement practice and is a key practitioner, alongside Daniela Fonseca Puggina from the same office.

The international litigation team at Freshfields Bruckhaus Deringer LLP advises leading US and global companies and financial institutions, with expertise in intricate parallel court proceedings across jurisdictions, or involving the DOJ, SEC, and FCA. Regulatory investigations are another strength of the practice, which also boasts expertise at defending against section 1782 applications. Litigators within the practice have notably represented Rio Tinto in a high-profile US federal climate change class action, and AstraZeneca in a high-profile securities class action. Kimberly Zelnick in New York is a highly experienced figure in SEC enforcement actions, notably leading the firm’s global financial institutions litigation team, while senior associate Paige von Mehren focuses on the enforcement of arbitral awards. The team has grown significantly in the last year, with the arrival of a team consisting of Beth George, Janet Kim, Andrew Dockham, and Megan Kayo from Wilson Sonsini Goodrich & Rosati in June 2023, and Gayle Klein from Schulte Roth & Zabel LLP in August 2023.

The global litigation practice at King & Spalding LLP is adept at handling complex cases, often involving multiple jurisdictions and parallel proceedings, with expertise in bet-the-company stakes internationally. Blue-chip multinationals rely on the knowledge of the practice, with clients from the energy, banking and finance, pharma, automotive, and manufacturing sectors, among others. Motions to compel arbitration, anti-suit injunctions, asset recovery, and enforcement actions are all key strengths of the practice. Leadership of the practice is split between Andy Bayman in Atlanta and Reggie Smith in Houston. Smith covers international arbitration and litigation, with a particular focus on energy and extractive industries as well as enforcing arbitral awards against foreign states. Operating out of New York, Randy Mastro represents a vast array of clients in complex civil cases, with expertise in securities litigation and white-collar crime matters. Also in New York, Richard Marooney and Olivia Radin are key names, with Radin having joined from Freshfields Bruckhaus Deringer LLP in January 2023, often acting on internal and regulatory investigations, in addition to congressional inquiries.

International litigation is a key strength at Latham & Watkins LLP, frequently undertaking complex, bet-the-company cases. The group is retained by an impressive roster of clients, including Nissan Motor Corporation, Oracle, and Microsoft Corporation. The practice is adept at representing clients in complex enforcement actions levied by the Securities and Exchange Commission and Commodity Futures Trading Commission. Michele Johnson leads the team and acts as chair, based in the Orange County office of the firm. Johnson has extensive experience across securities class action, SEC enforcement actions, and shareholder derivative litigation. Noted practitioners within the department include Chicago-based Sean Berkowitz, leveraging expertise in securities fraud and antitrust, Andrew Clubok in Washington D.C, and in San Francisco, Peter Wald. Michael Morin and Jamie Wine are ‘exceptional litigators‘.

BakerHostetler has broad capabilities, acting for a combination of sovereigns, international businesses, and international organizations in both US and foreign courts, with standout involvements in asset recovery, particularly relating to sovereign bankruptcies. The firm has experience acting for clients in diverse industries, including tech, telecoms, and energy, and saw a standout success in the financial services space with its succsesful recovery of $14.6bn for the Securities Investor Protection Act Trustee for the global liquidation of Bernard L. Madoff Investment Securities LLC. Houston-based Sashe Dimitroff now co-heads the team, and has strong expertise across international damages claims and arbitral awards, with a noted focus on energy disputes, oil & gas litigation, and commercial fraud.  Other leaders of the team in New York include Oren J. Warshavsky , who takes the lead on global fraud and international asset recovery, as well as intellectual property cases, Gonzalo Zeballos, who has been active in the management of the Madoff SIPA case, alongside representing a diverse range of international businesses and individuals in commercial disputes, and David Sheehan, an experienced trial lawyer who is also active on asset tracing and recovery cases.

Litigators within Dechert LLP’s international practice regularly act for multinational corporates, sovereign states, debtholders, and leading financial institutions on a range of matters, with expertise in antitrust, intellectual property, professional and product liability, and securities fraud. Investigations and large-scale employment disputes are also areas of knowledge of the team. New York-based Andrew Levander has ‘enormous prestige‘, and for one client, an ‘absolute star‘. Also based in New York, Mauricio A. España is ‘brilliant in litigation issues‘ and is adept at handling matters in the white-collar crime and securities spaces. In Washington DC, Christina Sarchio has expertise in consumer products, financial, oil and gas, and pharmaceutical industry-related disputes.

The international litigation practice at Diaz Reus International Law Firm frequently handles proceedings running in parallel across multiple jurisdictions, specifically those involving parties in the US and Latin America. The team is renowned for its representation of high-net-worth individuals in commercial disputes, with IP and financial fraud related disputes both mainstays of the department. Based in Miami, Michael Diaz Jr. and Gary Davidson lead the practice, both with extensive experience in disputes arising out of Latin America. Also of note in the team are Brant Hadaway, Marta Colomar-Garcia, and Evan Stroman.

Foley Hoag LLP has a ‘wealth of experience in the representation of States and State owned entities‘, with its team noted as ‘leaders in the climate change litigation space‘, with an extensive roster of clients. ‘Strategy maestro‘ Constantinos Salonidis leads the Washington DC contingent, notably representing Armenia in a wide array of leading disputes, including those in front of the International Court of Justice. Also at leadership level, New York-based Christina Hioureas combines ‘professionalism, expertise, engagement with client, and efficiency’, and frequently acts for private and state-owned entities. In Boston, Andrew Loewenstein is a key practitioner, with vast knowledge of defending sovereign states.

Grant & Eisenhofer P.A. has extensive experience in the international securities litigation space, frequently representing swathes of institutional investors in high-value cases. The firm regularly acts as global counsel for plaintiffs in complex litigation, and notably offers international securities monitoring for its clients. Co-founder Jay Eisenhofer leads the team, with expertise in securities and corporate governance litigation. He is joined at leadership level by Olav Haazen and Guus Warringa. Noted practitioners include Caitlyn Moyna, who is experienced in shareholder derivative actions and merger litigation, and in the securities fraud class action space, Jonathan Davenport and Alice Cho Lee. All lawyers mentioned are in New York.

The international litigation practice at New York-based Meister Seelig & Fein PLLC is noted for its ‘people, expertise, and knowledge’, and is adept at handling complex matters for leading clients in both state and federal courts, as well as those spanning jurisdictions. Alexander Pencu is commended by one client for being ‘highly experienced, absolutely global, open-minded, and flexible’. Christopher J. Major and Kathryn Matthews both lead the team with Pencu, bringing a range of experience across financial services, bankruptcy, and business tort-linked disputes. Michael Sloan is noted for his ‘brilliant mind’ and ability to use his ‘deep knowledge of the law and adapt it to the given facts’, with Marina Tarasova  noted as a practitioner with ‘extraordinary attention to detail’.

The international litigation practice at Morrison Foerster consists of a range of lawyers acting across commercial, securities, white-collar, antitrust, and product liability-related disputes. The US capabilities of the firm are bolstered by connections with offices in leading jurisdictions, frequently working with London, Brussels, and other key areas. A merger with Durie Tangri LLP in early 2023 saw the capabilities of the firm expand, particularly in the IP litigation space, with this expansion continuing, including Nathaniel Mendell in Boston. At leadership level, San Francisco-based Christine Wong and Austin-based Bradley Wine are key names. Also of note are Kenneth Kuwayti, who is based in Palo Alto and sustains a focus on intellectual property work, often in the tech space, and San Diego-based Brian Kramer, with a patent litigation focus, both in the US and further afield.

Steptoe LLP’s international litigation department leverages experience in regulatory and enforcement matters, with vast expertise representing global financial institutions and brokerage firms. The practice regularly works on matters spanning jurisdictions, routinely acting for traders in New York, London, and Hong Kong. The team has grown significantly in the last year, with Julia Strickland, Stephen Newman, Christopher Fredrich, and Andrew Owen bringing a team from Stroock & Stroock & Lavan LLP that is adept at handling class action lawsuits. Andrew Adams, formerly of the Department of Justice, also joined the team in July 2023. Based in Chicago, Stacie Hartman is a talented defense attorney in the derivatives space, and acts as head of the practice. In the Washington DC office, Liz Cassady is a key name, and is highly active in the firm’s global ESG team.

Williams & Connolly LLP‘s international disputes practice boasts a wealth of experience representing clients in complex multijurisdictional proceedings, with specific knowledge of the intellectual property, engineering, technology, and product liability fields. High-net-worth individuals, companies, and state entities all entrust the team with complex disputes spanning civil and common law jurisdictions. The team works closely with the international arbitration practice of the firm, with Washington DC-based Jonathan Landy highly skilled in this area. Landy’s experience ranges from the pharma and medical devices industries to energy, infrastructure, and construction. In the same office, Richard Moore and associate Benjamin Graham are key names.

Winston & Strawn LLP’s litigation practice is highly active on complex matters spanning multiple jurisdictions, with international cartel matters and cross-border sports cases both key parts of the department. High-profile fraud cases are also a mainstay of the team. The team acts for a roster of impressive clients, including Banco San Juan Internacional, Kingdom of Morocco, Panasonic Corp, and GoITV. The practice is commended for being ‘always practical, on point, conscious of commercial implications and easy to understand’. In New York, Jeffrey Kessler is highly active on complex antitrust, sports, and IP law cases, and frequently provides commentary and analysis on novel points of antitrust law. In the same office, Marcelo Blackburn is active on complex commercial litigation and class actions, along with international arbitration and regulatory investigations. Also at leadership level are Chicago-based Dan Webb and Abbe Lowell, who are highly active in the government investigations, enforcement, and compliance practice of the firm.