Mr. Méndez concentrates his practice in complex commercial litigation, particularly class actions and international arbitration. His areas of expertise include antitrust, intellectual property, financial institutions, government regulation, securities and telecommunication. He is the only Puerto Rico lawyer to have received a top ranking in Dispute Resolution from Chambers Global for twelve years in a row and one of only two Puerto Rico lawyers with a top ranking for Dispute Resolution in the 2018 Chambers Latin America Guide, where he has been top ranked since its inception and described as the Gold Standard for litigation. Mr. Méndez was also named Best Litigation Lawyer in Puerto Rico by Best Lawyers of America, who also lists him as Best Lawyers in International Arbitration. He has also been appointed arbitrator in international disputes, including as panel chairman.
Mr. Méndez is President of the Foundation of the Puerto Rico Supreme Court and a Trustee of The Supreme Court Historical Society. He also was the first Puerto Rican to preside the Foundation of the Federal Bar Association and to Chair its Fellows Program. He has organized and chaired conferences with Supreme Court Justices Stephen Breyer and Sonia Sotomayor, with First and Second Circuit Judges Juan Torruella and José Cabranes and organized various activities for the US District Court for the District of Puerto Rico, the Foundation of the Puerto Rico Supreme Court, The Supreme Court Historical Society and the Fellows Program of the Foundation of the Federal Bar Association, of which he is a Sustaining Life Fellow. He has taught antitrust, civil procedure and internet law at Puerto Rico law schools and been a frequent speaker at multiple conferences on a variety of legal topics.
César Calderón and Teresita Palerm Nevares a/k/a Tessie Calderón v. Banco Santander Puerto Rico, et al., Appeal No. 12-2128, before the United States Court of Appeals for the First Circuit, 747 F 3d 1 (1st Cir. 2014).
César Calderón-Serra v. UBS Financial Services, Inc.; Appeal No. 11-2449, before the United States Court of Appeals for the First Circuit, 715 F 3d 14 (1st Cir. 2013).
Cartagena Enterprises v. Banco Popular de Puerto Rico, Civil No. 13-civ-4238(SAS), before the United States District Court, Southern District of New York.
Ceci Montilla Rojo v. Popular, Inc., et als, Civil No. 11-cv-1050 (JAG), before the United States District Court for the District of Puerto Rico.
Reynaldo Almeyda Santiago v. Banco Popular de Puerto Rico, Civil No. KPE 2010-4009 (503), before the Commonwealth of Puerto Rico Court of First Instance, San Juan Part, February 7, 2013.
Guillermo García Lamadrid and Benito del Cueto vs. Banco Popular, et al, Civil No. KAC 2010-1477, before the Commonwealth of Puerto Rico, Court of First Instance, San Juan Part, March 25, 2013.
Margaret W. Walsh, v. Popular, Inc., et al, Civil No. 09-cv-1552 (ADC), before the United States District Court for the District of Puerto Rico, 839 F. Supp. 2d 476 (2012).
César Calderón vs. Banco Popular de Puerto Rico, Civil No. 10-cv-1905 (DRD), before the United States District Court for the District of Puerto Rico, 2011 WL 5335395, (D.P.R. 2011).
In re Puerto Rican Cabotage Antitrust Litigation, MDL 1960 (the “Class Action”), 815 F. Supp. 2d 448 (D.P.R. 2011).
Russell Hoff v. Popular, Inc., R. Carrión, Civil No. 09-cv-1428, before the United States District Court for the District of Puerto Rico, 727 F. Supp. 2d 77 (2010).
Citibank Global Markets, Inc. v. Rodríguez Santana, 573 F.3d 17, 2009 WL 2100215 (1st Cir. 2009).
Santos-Rodríguez v. Doral Mortg. Corp., 485 F. 3d 12, (1st Cir. 2007).
Ticket Center, Inc.; Ticket Plaza, Inc.; d/b/a/ Ticket Center v. Banco Popular de Puerto Rico d/b/a/ Ticketpop; Popular, Inc., Civil No. 04-cv-2062 (GAG) (BMJ) United States District Court for the District of Puerto Rico, November 6, 2008, 441 F. Supp. 2d 354 (D.P.R. 2006).
Arroyo-Melecio v. Puerto Rican American Ins. Co., 398 F.3d 56, (1st Cir. 2005).
Eastern Food Services, Inc. v. Pontifical Catholic University Services Ass’n, Inc., 357 F.3d 1, (1st Cir. 2004) 2004-1 Trade Cases P 74,255, 184 Ed. Law Rep. 727.
Fresenius Medical Care Cardiovascular Resources, Inc. v. Puerto Rico and Caribbean Cardiovascular Center Corp., 322 F.3d 56, (1st Cir. 2003).
Cooperativa de Ahorro y Crédito Aguada v. Kidder, Peabody & Co., 129 F.3d 222, (1st Cir. 1997), Fed. Sec. L. Rep. P 99,564.
Cooperativa de Ahorro y Crédito Aguada v. Kidder, Peabody & Co., 993 F.2d 269, (1st Cir. 1993) Fed. Sec. L. Rep. P 97, 453, 25 Fed.R.Serv.3d 982, 37 Fed. R. Evid. Serv. 904.
Puerto Rico Dept. of Consumer Affairs v. Isla Petroleum Corp., 485 U.S. 495, (1988), 108 S. Ct. 1350, 99 L.Ed.2d 582, Energy Mgt. P 26,600.
Isla Petroleum Corp. V. Puerto Rico Dept. of Consumer Affairs, 811 F. 2d 1151 (Em. App. 1986), cert granted, 484 U.S. 814, 108 S. Ct. 65, 98 L. Ed. 2d 29 (1987).
Isla Petroleum Corp. v. Department of Consumer Affairs, 640 F. Supp. 474 (D.P.R. 1986), vacated Tenoco Oil Co., Inc. v. Department of Consumer Affairs, 876 F.2d 1013 (1st Cir. 1989).
Ready Mix Concrete v. R. Arellano & Co., 110 D.P.R. 869 (1981).