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Actions in United Kingdom

For over 40+ years, Diamond McCarthy’s lawyers have developed extensive experience in cross-border and local proceedings throughout the United Kingdom. Members of our team spent years working in the region, and are honorary members of the Commercial Bar Association of England, Wales, and Scotland, NA Division (“COMBAR”). COMBAR is the most prestigious group of commercial barristers in all of the United Kingdom and has as its members, by invitation only, the best Queens’ Counsels, senior and junior barristers in the U.K., as well as many judges in the High Court of London, the appellate courts and the Supreme Court of the United Kingdom. With strong ties and experience, Diamond McCarthy has and continues to represent and advise clients in various procedures and court-based applications including, inter alia, LCIA, injunctions, set-aside claims, enforcement proceedings, forum non-conveniens, rules of jurisdiction, extra-territorial statutory paradigms, and others.




We pride ourselves on the tremendous local relationships and network we have in the UK. Our team’s deep connections and experience in the UK provides significant ability to represent and advise clients on complex commercial dispute in the region.
Representative Case Map

**Diamond McCarthy lawyers are licensed to practice law in US jurisdictions and courts and some international jurisdictions (as indicated on the bio for each individual). Otherwise, we draw on our network of lawyers that are licensed locally in each respective matter.**

Significant Representative Experience:


  • Acting as counsel to a U.K. and Mauritius based client in connection with cross-border Litigation enforcement proceedings in Arizona arising out of a multi-million dollar English judgment against certain individual and corporate entities.
  • Acted as lead and coordinating counsel on behalf of a major energy corporation in cross-border litigation in the U.S., Trinidad & Tobago, and the BVI against various defendants in connection with a $30+ million dollar judgement by a Texas court. Brought liquidation proceedings in Trindad and Tobago and BVI and international enforcement proceedings in NYC in connection under 28 U.S.C. Section 1782. Favorable results achieved.
  • Appointed by the US Department of Justice, Allan Diamond, acted as the Chapter 11 Trustee for the Howrey LLP law firm bankruptcy estate to wind down the global operations and oversee the recovery and monetization of its assets, including litigation claims. Howrey LLP is one of the largest law firm bankruptcies in US history with over 750 lawyers and offices throughout the world in Belgium, France, Germany, the Netherlands, Spain, Taiwan and the United Kingdom. Recovered upwards of a hundred million dollars for the Howrey bankruptcy estate to date.
  • Acted as lead trial counsel for more than 1,000 Latin American investors in connection with claims for accounting and legal professional liability, officer and director liability and financial institution tort liability of more than $350 million in damages arising out of the InverWorld, Inc. bankruptcies in the courts of San Antonio, Texas, the Grand Cayman Islands and the United Kingdom. Substantial recoveries were achieved.
  • Acted as lead trial counsel to global Dutch bank, Rabobank Netherlands, in connection with parallel international proceedings involving more than $100 million in claims against another international European bank, former officers and directors of an international dry fruits and nuts processor as well as cross-border accounting and audit malpractice litigation against one of the big four accounting firms in Contra Costa County, California, Fresno, California and London, England.
  • Acted on behalf of the Pan Atlantic Companies, a mix of U.S., Irish, Bermuda and U.K. insurers, in connection with multiple international arbitration proceedings (LCIA) and coextensive litigation in New York City and Texas. The hearing in connection with the international arbitration proceedings was tried over several weeks in New York City;

Related Practice Areas

International Practice

High-Stakes Litigation

Bankruptcy and Insolvency Litigation

Financial Institution Litigation

Breach of Contract

Fiduciary litigation

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Diamond McCarthy's Receivership and Fiduciary Representation team represents trustees, liquidating trustees, foreign liquidators, receivers, creditors, creditors’ committees, corporate debtors, and litigants in insolvency proceedings. With a particular focus with Ponzi Schemes, our firm has represented Chapter 11 trustees in some of the largest and most notable cases throughout the United States.

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