Thelma Rivera

Fernando J. Rovira-Rullán is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Fernando J., who practices law in San Juan, Puerto Rico, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fernando J. is held by other top lawyers in the same geographic and legal practice area.

Liana M. Gutiérrez-Irizarry is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Liana M., who practices law in San Juan, Puerto Rico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Liana M. is held by other top lawyers in the same geographic and legal practice area.

Christopher A. Dávila-Rodríguez is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law. Christopher A., who practices law in San Juan, Puerto Rico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher A. is held by other top lawyers in the same geographic and legal practice area.

Alberto Estrella is the managing member and majority shareholder at Estrella, LLC, one of the oldest law firms in Puerto Rico, with a history dating back to the early 1900’s. He is involved in litigation and asked to advise business clients on a diverse variety of matters, including commercial and contract disputes, complex litigation, premises liability and insurance defense, antitrust and business regulation, federal laws and litigation, trademarks and copyrights, administrative law, ...

René J. Avilés-García is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits Law, Tax Law and Trusts and Estates. René J., who practices law in San Juan, Puerto Rico, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which René J. is held by other top lawyers in the same geographic and legal practice area.

Mr. Rodríguez, who joined the Firm in 1974, practices in the areas of tax exemption, general corporate and government contracts. He has negotiated and re-negotiated dozens of grants of tax exemption for companies owned by U.S., European and Puerto Rican entities, including Johnson & Johnson, Schering-Plough, Medtronic, Harvey Hubbell, Astra-Zeneca (U.K.), Aventis (France) and MOVA (Puerto Rico).

Ricardo Casellas-Santana is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Ricardo, who practices law in San Juan, Puerto Rico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ricardo is held by other top lawyers in the same geographic and legal practice area.

Michelle Marichal-Soderberg is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Michelle, who practices law in San Juan, Puerto Rico, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michelle is held by other top lawyers in the same geographic and legal practice area.

Mr. Zayas-Marxuach has developed a commercial and general civil litigation practice in federal and state courts, with emphasis on distribution and franchising, insurance litigation, the Racketeer Influenced and Corrupt Organizations (RICO) Act, class actions and product liability, particularly prescription drug litigation. Additionally, Mr. Zayas-Marxuach regularly provides litigation and counseling services to individuals in estate and probate matters.

Ms. González-Berríos' practice emphasis is on corporate tax and employee benefits. She has advised taxpayers regarding both tax and tax exemption issues relating to corporate acquisitions, reorganizations and liquidations. Ms. González-Berríos has represented clients in adversarial proceedings, requests for private letter rulings and negotiations of closing agreements before the Puerto Rico Treasury Department. Ms. González-Berríos regularly advises c...