Iván G. Marrero

She concentrates her litigation practice on intellectual property, securities arbitrations, data security, media and entertainment, and healthcare facility liability. Within these areas, she counsels clients on trademark, copyright, unfair competition, false advertising, right of publicity, and other related commercial matters. Her securities practice, which includes arbitrations before the Financial Industry Regulatory Authority, has allowed her to develop unique skills within this particula...

As Chair of the Labor & Employment Law Practice Group Ms. Montaner-Sevillano brings to the table her extensive experience in the field and she is able to provide a deep understanding of the intricacies of conducting business in Puerto Rico as well as a unique awareness of the importance of budget supervision and controls. Ms. Montaner-Sevillano concentrates her practice in employment rights laws. She provides counseling and litigation defense in cases filed under the Americans with Disabi...

Walter F. Alomar-Jiménez is a Capital Member in the Corporate Department of O'Neill & Borges LLC with over 20 years of experience. Walter has been consistently listed in Best Lawyers as a leading attorney for real estate, corporate and M&A transactions. Over the years, Walter has been involved in transactions related to all aspects of real estate, commercial finance, creditor's rights, distressed asset acquisitions, mergers & acquisitions and general corporate practices. Wa...

Denisse Ortiz-Torres is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Denisse, 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 Denisse 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.

José A. Meléndez Alfonzo is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law and Energy Law. José A., 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 José A. is held by other top lawyers in the same geographic and legal practice area.

Mr. Miranda specializes in commercial law, real estate and general corporate law. He has been involved in the structuring, financing and development of complex residential, tourism and mixed use real estate developments as well as in the development, financing and construction of most major hotels in Puerto Rico. Likewise he has an extensive practice in corporate and commercial finance matters. He also represents the principal advertising and public relations companies in Puerto Rico as well ...

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.

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...

Michell M. Feliciano Rodríguez is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Michell M., 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 Michell M. is held by other top lawyers in the same geographic and legal practice area.