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Thaïs Passerieu is an Associate at Butler. Her practice is focused on First-Party Property Coverage as well as Extra-Contractual matters. Prior to joining the Firm, Thaïs practiced Third-Party insurance defense litigation, including premises and automobile liability.

Before relocating to Florida, Thaïs was a commercial litigation associate with a full-service law firm in Puerto Rico. She is licensed in Florida and Puerto Rico and has extensive experience in civil, commercial litigation, business torts, and in various immigration matters. Thaïs is also admitted to practice before the First Circuit Court of Appeals and the Federal District Court for the District of Puerto Rico.

Thaïs graduated from University of Puerto Rico School of Law in 2013. While in Law School, she was a Senior Editor for the Law Review and a member of the Federal Criminal Practice Defense Law Clinic. She holds a Master’s Degree in Translation and a Bachelor of Arts in Humanities, with emphasis in music and voice. She also received the Puerto Rico UNESCO Association Distinguished Youth Award on two occasions.

Thaïs is a member of the Florida Bar, the American Bar Association, the Federal Bar Association, the National Hispanic Bar Association, the Tampa Hispanic Bar Association and Puerto Rico’s Colegio de Abogados.

Before practicing law, Thaïs was a professional translator and interpreter. She is French-Puerto Rican, born in San Juan, she was raised in France and lived many years in South America. She is also fluent in French and Spanish, and has a degree in French Literature from the Sorbonne in Paris. Thaïs is passionate about language, inter-cultural communication, as well as animal rights advocacy, travel and opera.


  • Florida
  • Puerto Rico


  • Université Paris Iv Sorbonne
    French Literature
  • University of Puerto Rico
    Bachelor of Arts in Humanities (Music), Magna Cum Laude
  • University of Puerto Rico
    M.A., Translation, Summa Cum Laude
  • University of Puerto Rico
    Doctor of Jurisprudence, Magna Cum Laude


  • American Bar Association, Section of Litigation
  • Colegio De Abogados De Puerto Rico
  • Federal Bar Association; Young Lawyers Division; Puerto Rico Chapter
  • Hispanic National Bar Association
  • Tampa Hispanic Bar Association
  • The Florida Bar


  • All-state Courts of Florida
  • Commonwealth of Puerto Rico State Courts
  • United States Court of Appeals 1st Circuit
  • United States District Court for the District of Puerto Rico


Best Lawyers – Ones to Watch

Please join us in congratulating our attorneys for their inclusion in the inaugural edition of Best Lawyers: Ones to Watch. This list recognizes lawyers who are earlier in their careers for their outstanding professional excellence in private practice. They have been recognized in the First Edition of Best Lawyers: Ones to Watch for their work in insurance litigation. Congratulations! Click their...

Women’s History Month – Chien-Shiung Wu

We’re celebrating #WomensHistoryMonth by featuring a fantastic female leader each week. Different clues will be scattered throughout Facebook, Twitter and LinkedIn Monday through Wednesday, so be sure to follow us on all platforms to see each clue.  This week, we are featuring Chien-Shiung Wu, author of "Beta Decay" and an integral part of the Manhattan Project. Watch the video below: ...

Thais Passerieu Member Of Editorial Board For Hnba

Congratulations to Thais Passerieu for being selected as part of the editorial board for Noticias, the Hispanic National Bar Association's (HNBA) national publication. Thais will be fulfilling this role for the second year in a row. The HNBA are a nonprofit, nonpartisan, national membership organization that represents the interests of Hispanic legal professionals in the United States and its te...

Thais Passerieu Selected for Leadership Academy of the Latina Commission of the HNBA

Join us in congratulating Thais Passerieu for being selected for the Leadership Academy of the Latina Commission of the Hispanic National Bar Association (HNBA). This is an exciting opportunity to learn leadership, business development, and other skills that empower Latina attorneys to grow and excel in their careers. The Hispanic National Bar Association is a nonprofit, nonpartisan, national ...

Not Off the Hook…Trouble in Paradise for Puerto Rico Insurers

Recent legislative and judicial developments in Puerto Rico may very well have revived thousands of claims that insurers believed to be time-barred, per the terms of the Suit Against Us provisions of their Policies. Until the February 14, 2019, ruling issued by a San Juan court, residential property damage claims that had not escalated to suit within a year of the date of loss, had been consider...

Thais Passerieu