Juan A. Marqués-Díaz 

Mr. Marqués-Díaz practice includes general civil and commercial litigation, concentrating his experience in local appellate practice, constitutional, tax, consumer class action, administrative, insurance, and land use litigation.

He clerked for the Hon. José A. Andréu-García, Chief Justice of the Supreme Court of Puerto Rico and also served as Special Aide to Chief Justice Andréu-Gracía. Mr. Marqués-Díaz frequently writes and lectures on alternative methods of dispute resolution.

He is a member of the Board of Bar Examiners of the Supreme Court of Puerto Rico since 1997.

Mr. Marqués-Díaz has argued before the Puerto Rico Court of Appeals. His Puerto Rico Supreme Court published opinions include San Antonio Maritime v. P.R. Cement Co., 153 D.P.R.___ (2001) (acknowledging right of client to intervene in competitor's administrative proceedings); 2001 TSPR 16, and Asociación Puertorriqueña de Importadores de Cerveza, Inc. v. Estado Libre Asociado, 2007 TSPR 92 (challenging preferential excise tax based on commerce clause considerations), Trilla-Piñero v. Puerto Rico, 557 F. Supp. 2d 258 (D.P.R. 2008) (determining commencement of action under Class Action Fairness Act in gasoline industry litigation); Torres v. Bella Vista Hospital, Inc., 639 F. Supp 2d 188 (D.P.R. 2009) (successful defense of ERISA claim); Milliman, Inc. v. Health Medicare Ultra, Inc., 641 F. Supp. 2d 113 (D.P.R. 2009) (compelling arbitration of contractual dispute).

His published works incluye Notarización de Documentos de Extranjeros que no Entienden el Idioma Español o Inglés, 61 Rev., Jur. U.P.R. 193 (1992) and La Inconstitucionalidad de la Legislación de Antecedentes Penales de Puerto Rico, 61 Rev. Jur. U.P.R. 115 (1992) of which he was coauthor.