The powerhouse team McConnell Valdés LLC remains a market leader in litigation, employing the experience of its team in complex, high-value class action law suits. With specialised offerings in such areas as bankruptcy and tax, the group advises a client roster of major insurers, financial institutions and multinationals, including household names Johnson & Johnson, Best Buy, Merrill Lynch and AIG, across sectors ranging from real estate, retail, financial services and medical devices to healthcare and pharmaceuticals. Litigation practice chair Juan Marqués-Díaz has over 25 years of experience and specialises in tax disputes, administrative and constitutional law, and arbitration, and vice-chair Henry Freese is an expert in maritime and admiralty law. Other key figures include Arturo García-Solá, who handles franchise and distribution law matters and contractual disputes, and Isabel Torres‐Sastre, who handles securities and IP matters.

O'Neill & Borges leverages the experience of its team to remain a leader in the practice space, providing a one-stop shop for dispute resolution matters. The firm’s comprehensive service covers matters ranging from negotiation, arbitration, mediation, and antitrust and securities litigation to representing clients in insurance, labour, product liability, tax and construction lawsuits. Key figures include Salvador Antonetti-Stutts, who handles commercial litigation before both commonwealth and federal courts, as well as commercial and securities arbitration; Hermann Bauer-Álvarez, a specialist in bankruptcy and creditor’s rights claims; and Mariacté Correa-Cestero, who acts in matters involving distribution and franchising, government bids, personal injury and environmental law.

The market-leading practice at Pietrantoni Méndez & Alvarez LLP represents clients in arbitration, mediation, conciliation and investigations, in addition to civil and commercial litigation before all trial and appellate levels of the Puerto Rico Court of General Justice and the federal courts, related to a comprehensive range of matters. The team’s full service covers banking and lender’s liability, bankruptcy and creditor’s rights, contractual disputes, construction law, environmental law, medical malpractice, employment disputes, distribution and franchising, antitrust disputes, product liability, tax, torts, trade regulation and zoning matters. Key figures include Néstor Méndez-Gómez, an expert in class action lawsuits and international arbitration, and Herman Colberg, who specialises in health and insurance law and telecoms disputes.

The team at litigation boutique Casellas Alcover & Burgos, P.S.C. represents clients in a comprehensive range of contentious matters. The firm’s full service covers commercial and class action litigation and alternative dispute resolution, as well as disputes involving intellectual property, insurance, antitrust and trade regulation, public contracts and procurement, and product liability and torts. Ricardo Casellas brings over 32 years of handling complex litigation (including major civil jury trials) and ADR. Other key figures include health law expert César Alcover, seasoned business trial lawyer and banking litigation specialist Heriberto Burgos, and experienced civil litigator and arbitrator Natalia Morales.

The experienced team at Estrella LLC brings expertise to provide a one-stop shop for litigation and dispute resolution matters. With a client base of major insurers and household-name multinationals such as The Home Depot and American Airlines, across such areas as energy, real estate, aviation, healthcare, government and education, the practice displays particular strength in representing clients in commercial and liability litigation in the retail sector. Alberto Estrella acts as managing partner, bring over 20 years of litigation experience in both state and federal courts, with notable expertise in cyber litigation. Kenneth Suria and Andrés Colberg-Trigo lead the respective federal and state litigation practices. Consumer affairs division head Luis Morera specialises in defending administrative claims. Acting on behalf of individual and business debtors, creditors, and creditors’ committees, Carlos Infante leads the reorganisation and bankruptcy group.

Providing specialised services for complex arbitration, commercial litigation, securities litigation and enforcement, and bankruptcy and insolvency cases, the experienced team at Marini Pietrantoni Muñiz, LLC assists clients with a comprehensive range of disputes. These range from antitrust and trade regulations, construction, class actions, insurance, intellectual property and personal injury to media and entertainment law, collections and lender liability cases. Founding partner and bankruptcy and insolvency chair Luis Marini-Biaggi assists financial institutions and private equity funds with bankruptcies, and co-chair Carolina Velaz Rivero acts for institutional lenders, strategic investors, special situation funds, and other stakeholders in in-court and out-of-court restructurings. Veteran trial lawyer Manuel Pietrantoni heads the commercial litigation practice and Mauricio O Muñiz leads the securities litigation and enforcement team, handling antitrust litigation before the federal and state courts.

The litigation specialists at Reichard & Escalera regularly appear before the commonwealth courts, in the US District Court for the District of Puerto Rico, and in the US Court of Appeals for the First Circuit, representing clients in disputes involving a diverse range of matters. These include contract disputes, constitutional issues, antitrust actions, unfair business practices, insurance disputes, medical malpractice, corporate civil claims under the RICO Act, environmental claims and bankruptcy. Rafael Escalera Rodríguez brings strength to complex labour litigation, superfund cases, securities, trade mark litigation, product liability and civil rights actions. Sylmarie Arizmendi, the co-chair of the commercial litigation practice and head of the employment practice, acts for companies in employment claims ranging from single-litigant discrimination complaints to collective wage and hour actions.

Leveraging the experience of its team and the bench strength of a global network spanning the Americas, Europe, the Middle East, Africa and the Asia Pacific region, the dispute resolution team at DLA Piper Puerto Rico assists local authorities, financial institutions, individuals, and national and multinational corporates across such sectors as energy, financial services, technology and healthcare with complex, high-stakes arbitration and commercial litigation. The firm’s full service extends to claims related to breach of contract, damages, employment matters, distribution agreements, intellectual property and consumer rights. In addition, the firm has a dedicated white-collar crime and investigations group. The team is led by experienced litigator and arbitrator Margarita Mercado, who previously served as the Solicitor General for the Commonwealth of Puerto Rico, and white-collar crime expert Nereida Melendez-Rivera, who joined the firm with Sonia Torres-Pabón, the other former founder of Meléndez Torres Law, PSC and a former Assistant United States Attorney for the District of Puerto Rico, in July 2022. Another key figure is of counsel Mariana Muñiz-Lara, who brings strength to matters involving intellectual property and employment law.

The litigation and trial practice at Adsuar Muñiz Goyco Seda & Pérez-Ochoa provides a comprehensive service to individuals, institutions, and national and multinational corporates across such sectors as banking and financial services, aerospace and aviation, construction, education, energy, food and beverages, health, hospitality, tech and insurance. The team assists with matters ranging from civil and commercial litigation, antitrust and trade regulation and class action prosecution and defence to construction litigation, commercial collections, distribution and franchising law and insurance claims. The team is led by Eric Pérez Ochoa, who brings over 28 years' experience to the practice, and Luis Oliver-Fraticelli, who handles civil litigation before the US District Court for the District of Puerto Rico and the courts of the Commonwealth of Puerto Rico.

The experienced team at Antonetti Montalvo & Ramírez-Coll has strength in a wide range of litigation, mediation and arbitration, from antitrust, insurance and estate-related disputes, to cases stemming from foreclosures, bankruptcy and business reorganisations, creditor's rights and lender’s liability, intellectual property and the aviation sector. Founding members María Montalvo-Vera, a specialist in healthcare, telecoms, construction and commercial matters, and José Ramírez-Coll, who handles cases brought under the Racketeer Influenced and Corrupt Organizations Act (RICO), product liability litigation and class action disputes, are the key names.

The experienced dispute resolution team at boutique firm Casillas Santiago & Torres LLC represents clients in arbitration and litigation before the federal and local courts and administrative agencies. Seasoned labour litigator Juan Casillas-Ayala, whose past experience includes serving as a law clerk in the Supreme Court, and founding member and of counsel Juan González-Muñoz are key contacts.

The disputes group at ECIJA SBGB provides a full service, leveraging the bench strength of its global network to assist clients with arbitration and administrative, civil and commercial litigation. Experienced labour litigators and office founding members Jaime Sanabria Montañez and Antonio García Ramírez are key contacts.

The civil and commercial litigation team at EDGE Legal LLC brings strength to representing financial institutions, hotel owners and operators, real estate investment trusts, infrastructure developers, healthcare management companies and insurance companies involved in complex arbitration and litigation. With an client base that includes household names Allianz and Juul Labs, the practice is led by Eyck Lugo, an experienced commercial and insurance litigator; co-founder partner Marilena Román-Gandulla, who brings expertise to environmental litigation and medical malpractice disputes; and Giovanni Picorelli-Ayala, who also handles malpractice and insurance claims, in addition to appeals in state and federal courts.

Specialising in IP disputes, the experienced team at Ferraiuoli LLC also assists clients with labour, tax and bankruptcy litigation, as well as commercial litigation involving collections claims, product liability claims, media and entertainment law, and distributing and franchising relationships. Sonia Colon heads the firm’s bankruptcy and creditor’s rights group, representing institutional lenders, investors, equity holders, and bond and insurance companies, in matters involving bankruptcy and workouts. Gustavo Chico-Barris advises and represents creditors in judicial proceedings in Chapter 7, 11, 12 and 13 cases.

The litigation and trial practice at Goldman Antonetti & Córdova provides clients across such sectors as healthcare, telecoms, retail, manufacturing and tourism with representation before the courts and administrative agencies in a wide range of matters. These include support with regulatory matters (including land use, planning and the review of awards of government contracts), negotiation, arbitration, mediation, banking litigation, labour and employment lawsuits, and insurance and medical malpractice claims. Department chair Carlos Rodríguez-Vidal manages disputes involving franchise, distribution and sales representation contracts. Another key figure is Solymar Castillo-Morales, who specialises in commercial, tax and bankruptcy law.

The team at Jiménez Graffam & Lausell specialises in labour, employment and maritime matters, assisting clients with arbitration, mediation and litigation before the commonwealth and federal courts and administrative government agencies. Other areas of expertise include construction, regulated markets, intellectual property and medical malpractice cases. Key figures include of counsels Steven Lausell and William Graffam, who brings over 40 years’ experience to the practice area, while the practice was strengthened by the arrival of Yasthel González from Estrella LLC in June 2022.

Specialists in servicing the oil and gas marketing industry in Puerto Rico, the team at boutique litigation firm Sepulvado, Maldonado & Couret assists with injunctive relief, appeals, contract and commercial disputes, and lawsuits involving employment, intellectual property, antitrust, shareholders’ rights and government relations. Key contacts include litigation practice head Lee Sepulvado-Ramos, managing partner and labour, employment and benefits practice head Elaine Maldovado-Matias and Albeniz Couret-Fuentes, whose extensive experience includes practising in the local courts of Puerto Rico, and the US district courts of Puerto Rico, New York, New Jersey and South Carolina.

The team at Toro Colón Mullet, P.S.C. represents clients in a wide range of matters across the practice area, including disputes involving business contracts, insurance regulatory and claims issues, bankruptcy and creditor-debtor issues, environmental law and intellectual property. In addition, the firm has experience in alternative dispute resolution mechanisms and has appeared before the Puerto Rico and federal trial appellate courts. Manuel Fernandez-Bared and Linette Figueroa-Torres are key figures.