Antonio Pietrantoni

Marie Carmen Muntaner is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Medical Malpractice Litigation. Marie Carmen, who practices law in San Juan, Puerto Rico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marie Carmen is held by other top lawyers in the same geographic and legal practice area.

Juan A. Frau Escudero is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Juan A., who practices law in San Juan, Puerto Rico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Juan A. is held by other top lawyers in the same geographic and legal practice area.

Héctor Reichard de Cardona is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law and Litigation. Héctor, who practices law in San Juan, Puerto Rico, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Héctor is held by other top lawyers in the same geographic and legal practice area.

Néstor J. Lo Presti Reyes is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law and Real Estate Law. Néstor J. Lo, who practices law in San Juan, Puerto Rico, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Néstor J. Lo is held by other top lawyers in the same geographic and legal practice area.

Luis R. Pérez Giusti is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Luis R., who practices law in San Juan, Puerto Rico, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luis R. is held by other top lawyers in the same geographic and legal practice area.

Alejandro J. Cepeda-Díaz is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. Alejandro J., who practices law in San Juan, Puerto Rico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alejandro J. is held by other top lawyers in the same geographic and legal practice area.

Mr. Marqués-Díaz chairs McConnell Valdés' Litigation Practice Group. His practice includes general civil and commercial litigation before the Puerto Rico and federal courts, concentrating in local appellate practice, constitutional, tax, consumer class action, administrative, insurance - including healthcare insurance litigation - and land use litigation. Mr. Marqués-Díaz has a solid constitutional law practice. He has argued many cases involving constitutio...

Pedro P. Notario-Toll is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Pedro P., who practices law in San Juan, Puerto Rico, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pedro P. is held by other top lawyers in the same geographic and legal practice area.

Lloyd Isgut-Rivera is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law and Litigation. Lloyd, who practices law in San Juan, Puerto Rico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lloyd is held by other top lawyers in the same geographic and legal practice area.

He specializes in cross border transactions, government affairs, and government procurement and contracting. His corporate practice has been focused primarily on insurance and banking regulatory issues and insurance M&A transactions, involving both insurance company and insurance brokerage asset purchase and stock purchase transactions. Mr. Ramirez has also been involved in the organization and authorization of insurers, including the incorporation and organization of the first domestic l...