Marini Pietrantoni Muñiz, LLC leverages the experience of its market-leading team to provide financial institutions, government regulators and corporates in the manufacturing, hospitality, entertainment, aviation, telecoms and pharmaceuticals sectors with a comprehensive range of services, covering complex arbitration, commercial litigation, securities litigation and enforcement, and bankruptcy and insolvency cases. In addition, the group’s skill set extends to class actions, and disputes involving antitrust and trade regulations, construction, insurance, intellectual property, personal injury collections and lender liability. Founding partner and bankruptcy and insolvency co-chair Luis Marini-Biaggi brings extensive expertise to representing financial institutions and private equity funds in bankruptcies, and fellow co-chair Carolina Velaz Rivero is a specialist in acting for institutional lenders, strategic investors, special situations funds and other stakeholders in in-court and out-of-court restructurings. Veteran trial lawyer Manuel A. Pietrantoni heads the commercial litigation practice and Mauricio Muñiz-Luciano leads the securities litigation and enforcement team, representing clients in antitrust litigation before the federal and state courts.

The powerhouse team at McConnell Valdés LLC remains a market leader, harnessing the bench strength of its experienced team to advise major insurers, financial institutions and multinationals involved in complex, high-value claims and class action cases. The firm’s active client roster includes household names such as Johnson & Johnson, Best Buy, AIG and Merrill Lynch, and sectors including oil and gas, healthcare, real estate, retail, financial services, medical devices and pharmaceuticals. The practice is headed by litigation chair Juan Marqués-Díaz, who draws on over 25 years of experience of representing clients in arbitration, tax disputes and cases involving administrative and constitutional law, and group vice-chair Henry Freese, a specialist in maritime and admiralty cases, construction disputes and insurance defence work. Other key figures include managing director Arturo García-Solá, an expert in contractual disputes, who, along with Eduardo Zayas-Marxuach, handles franchise and distribution law cases; Roberto Quiñones‐Rivera, whose extensive skill set covers securities, antitrust, RICO and intellectual property litigation; and Alejandro Cepeda-Díaz, who represents clients in securities arbitration and environmental litigation.

Leveraging the experience of its team, O'Neill & Borges remains a force in the dispute resolution practice area, providing a one-stop shop to represent insurers and multinational corporates in a diverse selection of litigation matters. With a client base spanning such sectors as government, healthcare, life sciences, entertainment, tech and telecoms, the practice’s full service covers matters ranging from negotiation and mediation to antitrust, securities and tax litigation, along with bankruptcies, restructurings and insolvencies. Key contacts include David Rivé, Gabriel Miranda, Salvador Antonetti-Stutts and Carlos Vázquez-Alberty.

Pietrantoni Méndez & Alvarez LLP covers the full range of litigation and arbitration, in addition to mediation, conciliations and government investigations. Among the firm's core areas of expertise are antitrust, distribution and franchising, IP, product liability and securities-related disputes and bankruptcy proceedings. Notable members of the team include Herman Colberg, Diego Murgia-Díaz, Oreste Ramos, María Trelles-Hernández and Néstor Méndez-Gómez.

The dispute resolution team at DLA Piper Puerto Rico pairs a global network spanning the Americas, Europe, the Middle East, Africa and the Asia Pacific region and the bench strength of its team to assist local authorities, financial institutions, individuals, and national and multinational corporates in the energy, apparel, financial services, tech, education and life sciences sectors (including Luma Energy, Nike and Tesla) in high-stakes arbitration and commercial litigation. The firm’s full offering covers claims related to breach of contract, bidding processes, employment law, distribution agreements, intellectual property and consumer rights. The team is headed by experienced litigator and arbitrator Margarita Mercado-Echegaray, who previously served as the Solicitor General for the Commonwealth of Puerto Rico, and deputy office managing partner Nereida Melendez-Rivera, who, along with Sonia Torres Pabón, a former Assistant United States Attorney for the District of Puerto Rico, brings expertise to white-collar crime matters. Also of note is of counsel Mariana Muñiz-Lara, a specialist in intellectual property and employment cases.

Estrella LLC channels the bench strength of its team to act as the first port of call for insurers and major multinationals (including The Home Depot, American Airlines and Walmart) involved in high-stakes litigation and dispute resolution matters. Representing an active client roster across such sectors as energy, entertainment, real estate, aviation and healthcare, the firm displays particular strength in cyber litigation, commercial and liability litigation in the retail sector, and in disputes in the oil and gas industry. The practice is led by managing partner Alberto Estrella, who draws on over 30 years of experience in both state and federal courts; Kenneth Suria, who brings strength to class actions, product liability and medical malpractice claims, and commercial and insurance litigation; consumer affairs division head and retail sector expert Luis Morera, who specialises in defending administrative claims; and bankruptcy practice leader Carlos Infante, who acts for individual and business debtors, creditors and creditors’ committees. Other key figures include Andrés Colberg Trigo, who utilises a background working for the Legislation Division of the Justice Department of the Commonwealth of Puerto Rico, and of counsel Stephanie Vilella, who handles cases involving complex banking regulations.