María D. Trelles-Hernández


María Dolores Trelles-Hernández joined the Firm in 2007 and became a Member in 2014.  Ms. Trelles-Hernández has litigated at the trial and appellate levels in both the Puerto Rico and Federal courts in connection with a wide array of civil and commercial matters, as well as intellectual property matters, mainly regarding trademarks and copyrights.  Ms. Trelles-Hernández is also part of the Firm’s Intellectual Property Practice Group and is involved in trademark prosecution before the P.R. Trademark Office and the U.S.P.T.O.  Prior to joining the Firm, Ms. Trelles Hernández clerked for the Chief Justice of the P.R. Supreme Court, Hon. Federico Hernández Denton, as well as for Senior Judge Salvador E. Casellas of the U.S. District Court for the District of Puerto Rico. 

Place of birth:

San Juan, PR


  • University of Puerto Rico,School of Law, San Juan, PR
    2004 J.D.
    Magna Cum Laude
  • The George Washington University, Washington ,DC
    2001 B.A.
    Summa Cum Laude

Bar Admissions:

    • Commonwealth of Puerto Rico, 2005
    • U.S. District Court for the District of Puerto Rico, 2008
    • U.S. Court of Appeals for the First Circuit, 2008
    • U.S. Court of Appeals for the District of Columbia Circuit, 2013

Practice Areas:


  • María D. Trelles Hernández, comment, “Silencio en la Corte: La aplicación e implicaciones del derecho a la intimidad en las agencias de ley y orden público” REV. JUR. U.P.R. 971 (2003).

Past Employment Experience:

  • US District Court for the District of Puerto Rico
    Senior U.S. District Judge Hon. Salvador E. Casellas
    Law Clerk
    2005 – 2007
  • Puerto Rico Supreme Court
    Hon. Federico Hernández Denton, Chief Justice
    Law Clerk

Professional Associations and Memberships:

    •        Puerto Rico Bar Association
    •        American Bar Association
    •        Federal Bar Association
    •        International Trademark Association

Contact Information:


(787) 773-6000

(787) 274-1470

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