MPM Firm Profile

Our Firm

MPM is a firm founded by leading Puerto Rican professionals. We are specialized and focus on what we do best.  We are not, and do not strive to be, the largest law firm measured by number of offices or lawyers.  Our goal is to be the firm of choice for clients with respect to their most challenging legal issues, critical disputes, and significant transactions.  

 

Our clients look to MPM because they know our members tackle their cases hands-on and we spend time with our clients to truly understand their business goals and the most efficient, timely, personal, and practical manner to provide the services they need to move forward.  When clients choose MPM, we honor their trust by putting all of our skill, spirit, and experience into ensuring their success.  

“Marini Pietrantoni Muñiz’s team knows our industry well and is aware of specific local challenges, providing advice that is aligned with our company needs. They are responsible and diligent when handling our cases.”

– Chambers & Partners, 2025

“I would say they stand out because of their ability to take an extremely complex matter and simplify it in a way that resonates with those not versed in the subject matter, all while understanding the economics and commercial consequences of said issues.”

– Chambers & Partners, 2025

“With Marini Pietrantoni Muñiz we have won every single case we have brought to the table. Its team does not waste time or resources.”

– Chambers & Partners, 2025

“The economic climate has contributed to an increased volume of bankruptcy and restructuring matters, an area currently led by [one of MPM’s partners]…”

– Chambers & Partners, 2025

“Marini Pietrantoni Muñiz’s team has demonstrated an unwavering commitment to protecting our investments. Their professionalism and ethical standards have solidified my trust in the firm.”

– Chambers & Partners, 2025

Our client service rests upon a few core values:

  • A full understanding of our clients’ businesses and culture 

 

  • A thorough focus on our clients’ objectives, both short-term and long-term 

 

  • An unwavering commitment to helping clients solve problems in the most efficient and cost- effective way 

Market Recognition

  • Our lawyers are leaders in their field and have been recognized by and received the highest rankings in the Latin America and Global editions of Chambers & Partners®.

 

  • All of our members have also been recognized by Best Lawyers® as top lawyers in Puerto Rico and have been named Lawyers of the Year for Bankruptcy and Restructuring in Puerto Rico (2020 and 2025), Competition and Antitrust (2025) and as Law Firm of the Year in Bankruptcy and Restructuring in Puerto Rico (2021).

 

  • Our lawyers have also been recognized by numerous other publications, such as by Benchmark Litigation® as “litigation stars”, by LawDragon 500 Leading U.S. Bankruptcy & Restructuring Lawyers list, and by the Legal 500® as leading litigation and bankruptcy lawyers.

 

  • Our team was also awarded the M&A Atlas deal of the year award for the firm’s work in the COFINA restructuring.

 

  • Among our team is also the first lawyer from Puerto Rico to be selected to the American Bankruptcy Institute’s 40 under 40 Leadership Awards. 

History of Leadership

Our team at MPM is deeply involved in our community. Among our lawyers are:

 

  • a member of a selection committee for magistrate judge of the United States District Court for the District of Puerto Rico
  • two former presidents and the current president-elect of the Puerto Rico Chapter of the Federal Bar Association
  • the president of the Puerto Rico Chapter of the Latin American Bankruptcy Institute (IIDC)
  • a current member of the Local Bankruptcy Rule Committee for the United States Bankruptcy Court for the District of Puerto Rico
  • a member of the American Bankruptcy Institute’s 40 Under 40 Leadership Team
  • a prior General Counsel for the Puerto Rico Fiscal Agency and Financial Advisory Authority (AAFAF)
  • a member of the board of advisors of the American Bankruptcy Institute’s Caribbean Insolvency Symposium
  • prior law clerks of justices of the Puerto Rico Supreme Court and of the Puerto Rico Court of Appeals
  • prior law clerks of bankruptcy judges of the United States Bankruptcy Court for the District of Puerto Rico
  • a fellow of the American Bar Association
  • a fellow of the Federal Bar Association
  • a former editor of the American Bar Association Insolvency Chapter
  • members of the Federal Bar Association
  • members of the American Bar Association
  • members of the Puerto Rico Bankruptcy Bar Association
  • members of the the American Bankruptcy Institute, and
  • a grader of the Puerto Rico Bar Exam, among others.