Luis C. Marini-Biaggi


Chair of Bankruptcy & Insolvency Practice


Tel: 787.705.2173

Luis C. Marini-Biaggi is a founding member and Chair of the Bankruptcy & Insolvency Practice. Luis concentrates his practice in all aspects of insolvency matters including bankruptcy, acquisition of distressed assets, public and private sector restructurings. He also regularly handles complex commercial litigation at the trial and appellate level, including defense of lender liability suits and contract litigation. He regularly represents financial institutions, private equity funds, purchasers of distressed debt or assets, and secured and unsecured creditors on insolvency matters.


The international publication Chambers & Partners has ranked and recognized Luis as the only “Band 1” attorney for lawyers in bankruptcy and restructuring in Puerto Rico. As part of its overview of the Puerto Rico legal market, Chambers recently commented that: “[t]he economic climate has, however, contributed to an increased volume of bankruptcy and restructuring matters, an area currently led by [Marini Pietrantoni Muniz’] Luis Marini.” Chambers and Partners (Latin America), Puerto Rico Overview, 2015. Chambers recently stated, quoting sources, that Luis is “one of the best bankruptcy lawyers in the country” and that “he is a reference in the market and is worthy of being at the absolute top of the market”.  Chambers and Partners (Latin America), 2020.   Past Chambers’ coverage has described Luis as “always impress[ive] in complex bankruptcy proceedings”, “responsive, detail oriented and thorough in his analysis of each case”.  Chambers and Partners (Latin America), 2019.  Chambers also quoted clients stating that “[i]f someone asks me for a recommendation regarding a lawyer that is specialized in bankruptcy, his is the first name that I would mention.  He has a vast knowledge of this area, and in the context of litigation he is dedicated and gracious whilst remaining firm, and the proposals he brings to court are based on solid foundations.”  Chambers & Partners, Latin American Edition, 2018.  Chambers also quotes sources describing Luis as “a great lawyer who has a deep knowledge of insolvency matters”, as being “remarkably attentive and succinct”, and that “he understands his clients’ needs and will do everything in his hands to help them succeed. It is a true pleasure to work with him.” Chambers & Partners, Latin American Edition, 2017, 2016, 2015 and 2014 (also ranked in 2013, 2012, and 2011 editions and in the Global Edition). Luis has also been recognized as a leading insolvency lawyer by Best Lawyers®, Puerto Rico Edition.

Luis frequently writes and lectures on insolvency and bankruptcy matters. Recently, he was a speaker at the Puerto Rico Chamber of Commerce’s 2nd PROMESA Conference (2018) and the 1st PROMESA Conference (2017), the Insolvency Congress of the Americas (presenting “A Walk Through PROMESA”) (2016), the Puerto Rico Industrial Association (Reorganization Aspects of PROMESA) (2016), the American Bankruptcy Institute’s “Caribbean Insolvency Symposium” (2016 and 2014), at the Federal Bar Association’s “Puerto Rico in Crisis: Current Topics in Public and Private Restructurings” (2014) “Overview of Chapter 11” (2013) and “Emerging from Bankruptcy” (2012) seminars. Luis has also co-authored articles for the American Bankruptcy Institute’s “Caribbean Insolvency Symposium” in 2004, 2007, 2014 and 2016. He regularly provides seminars on various technical bankruptcy and insolvency issues to financial institutions, government entities, private funds, and other entities throughout Puerto Rico.

Luis also serves on the Local Bankruptcy Rule Committee of the United States Bankruptcy Court, District of Puerto Rico, on the Advisory Board for the American Bankruptcy Institute’s Caribbean Insolvency Symposium, and is an associate editor for the American Bar Association’s Bankruptcy, Insolvency and Litigation committee.

Luis holds a Bachelor Degree in Business and Finance from the University of Michigan and obtained his Juris Doctor from Georgetown University.  Prior to founding Marini Pietrantoni Muniz LLC, Mr. Marini was a capital member, head of the Litigation Department, and co-chair of the Bankruptcy, Restructuring, and Insolvency Group at O’Neill & Borges LLC and also practiced in Washington D.C., at Shaw Pittman LLP (now Pillsbury Winthrop Shaw Pittman).