Thais has focused her practice on complex and strategic litigation, particularly in national and international arbitration procedures, as well as consultancy in projects involving business contracts.

Thais works with the negotiation and management of complex contracts, having vast experience in drafting and filing requests in highly complex disputes.

She has participated in arbitrations in Brazil, France and the United Kingdom – both institutional and ad hoc – according to the rules of the ICC, LCIA, UNCITRAL, CAM-CCBC, CIESP/FIESP and CAM B3, in disputes involving the energy, construction, oil and gas sectors, capital markets, and corporate law.

Her practice combines a strategic vision, technical knowledge, and international practice in dispute resolution.

Education

• PhD Candidate in Commercial Law, Universidade de São Paulo (USP).
• Immersion Program on Brazil-Singapore Relations, National University of Singapore (NUS).
• LL.M, Business Law, Fundação Getúlio Vargas (FGV/SP).
• J.D., Fundação Getúlio Vargas (FGV/SP).

Awards and Accolades

• LL.M Capstone project nominated for an award by Fundação Getúlio Vargas (FGV/SP).

Associations and Boards

• Member, Young ICCA
• Member, Brazilian Institute of Construction Law (IBDiC).
• Member, Brazilian Center for Mediation and Arbitration (CBAr).

Publications

• TOLEDO, Leonardo; TENANI, Thais Helena Teixeira. Breves reflexões sobre a cláusula fit for purpose e as garantias do construtor no direito brasileiro. In: MONTEIRO DE BARROS, Vera Cecília; NANNI, Giovanni Ettore (orgs.). Arbitragem e Mediação no Direito Privado e Público: estudos em homenagem à Professora Selma Ferreira Lemes. São Paulo: Quartier Latin, 2025.
• GABBAY, D.M.; NANI, A.P.R; BRITO, A.F.; BERTHO, B.B; SPALLETA, G.; FERREIRA, L.B.; TENANI, T.H.T.; “Análise empírica sobre oportunidades para mediação no curso da arbitragem no Brasil”. [Empirical Analysis on opportunities for mediation during arbitration in Brazil.] Revista de Arbitragem e Mediação, 2022.
• MONTINO, L.; MIDE, L.; TENANI, T.; “Smart Contracts: um novo campo para a arbitragem”. [Smart contracts: a new field for arbitration.]

Languages

• Portuguese
• English
• Spanish
• French