Antonio Pietrantoni

Mr. Miguel A. Santiago. Esq. is an Attorney at Casillas, Santiago & Torres, LLC. Prior to founding CST, Mr. Santiago was a partner at one of Puerto Rico’s largest and oldest law firms where he spent close to ten years counseling in the corporate-tax area including corporate, tax, employee benefits, real estate and employment law. Before such tenure, he was a senior tax consultant at Ernst & Young, LLP. Mr. Santiago counsels employers in all aspects of Corporate, Tax, Employee Be...

Manuel handles complex, high-profile disputes. He has successfully tried multiple cases in federal and state courts, as well as in arbitration proceedings and administrative forums. He also has successfully argued or briefed multiple cases before the First Circuit Court of Appeals, the Puerto Rico Supreme Court, and the Puerto Rico Court of Appeals. Manuel regularly lectures on the Federal Rules of Evidence, and has written multiple articles on evidence, and on the Puerto Rico Dealer and Fran...

Rafael Hernández-Miranda is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Rafael practices law in San Juan, Puerto Rico Best Lawyers has recognized Rafael Hernández-Miranda since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Rafael Hernández-Miranda is held by other lawyers.

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...

Melissa Medina is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Melissa practices law in San Juan, Puerto Rico Best Lawyers has recognized Melissa Medina since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Melissa Medina is held by other lawyers.

Pedro I. Vidal-Cordero is a lawyer recognized by Best Lawyers in the practice areas of Corporate and M&A Law and Corporate Governance & Compliance Practice. Pedro I. practices law in San Juan, Puerto Rico Best Lawyers has recognized Pedro I. Vidal-Cordero since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Pedro I. Vidal-Cordero is held by other law...

Mrs. Diana M. Batlle-Barasorda, Esq. is an Attorney at Casillas, Santiago & Torres, LLC, where she serves as a litigation attorney. Mrs. Batlle-Barasorda provides hands on technical expertise and advice in complex litigations and transactions. Prior to such tenure, she was an associate attorney in one of Puerto Rico’s largest and most important law firms. From 1996-1998, Mrs. Batlle-Barasorda also served as a law clerk for now retired Supreme Court Justice Francisco Rebollo Ló...

María Elena González-Calderón is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. María Elena practices law in San Juan, Puerto Rico Best Lawyers has recognized María Elena González-Calderón since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which María Elena González-Calderón is held by other lawyers.

Ms. López del Valle is an Income Member in the Litigation Practice Group. Her primary practice areas include general civil litigation and arbitration, with an emphasis on Securities Arbitration and Intellectual Property. https://www.mcvpr.com/attorneys-Sonia-Lopez

Néstor J. Lo Presti Reyes is a lawyer recognized by Best Lawyers in the practice areas of Corporate and M&A Law and Real Estate Law. Néstor J. Lo practices law in San Juan, Puerto Rico Best Lawyers has recognized Néstor J. Lo Presti Reyes since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Néstor J. Lo Presti Reyes is held by other lawyers.