Leonardo Rubim Chaib

Leonardo Rubim Chaib

Practice Areas

Litigation and Conflict Resolution, Tax.


Phone number: +55 11 3847-3939


Tax lawyer with 13 years of professional experience, working in the area of tax litigation, administrative and judicial (predominantly), as well as in consulting and tax planning, in medium and major law firms. He is a partner in Leite, Tosto e Barros, representing large companies/industries in the areas of engineering, food, banking, technology, papers, among others.

Educational Background

Course in Tax Planning at Instituto Brasileiro de Estudos Tributários – IBET.

Course in Tax Accounting Instituto Brasileiro de Estudos Tributários – IBET.

Specialization in Tax Law from Pontifícia Universidade Católica de São Paulo – PUC/SP.

Graduated in Law from Universidade Presbiteriana Mackenzie.

Graduated in International Relations from Pontifícia Universidade Católica de São Paulo – PUC/SP.

Other Activities

Leonardo has succeeded in cancelling tax debts, as well as in the recovery of tax credits, generating savings for companies.

Continuous experience in obtaining CND (negative debit certificate) and controlling the fiscal regularity of clients for the renewal of that certificate, both administratively and after judicial measures.

Worked in federal and state inspections.

Drafted complex procedural reports and participated in due diligences procedures.

Drafted legal opinions and consultations on tax issues of interest to clients (tax consultancy).

Acted with direct and indirect taxes, with no distinctions (IRPJ, CSLL, PIS, COFINS, ISS, ICMS, ICMS-ST), main and ancillary obligations.

Assisted in coordinating a team of lawyers and interns.

Assisted partners in attracting new clients, presenting strategies and tax theses, implemented processes to recover tax credits and managed tax liabilities.


Portuguese, English and Spanish.
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