Arbitration

The firm has a distinguished record in arbitrations before the most renowned Brazilian and international arbitral institutions.

Agribusiness

Abreu Sampaio has a team specialised in agribusiness law, able to advise judicially and extrajudicially across the sector's many branches, taking part in negotiations and drafting the related documents and contracts.

Civil

In disputes across the many branches of civil law, Abreu Sampaio Advocacia has accumulated significant victories, largely owing to the high degree of specialisation of its attorneys.

Consumer

Abreu Sampaio's attorneys have acted successfully in a range of judicial and administrative matters involving consumer relations.

Contracts

The firm represents large companies in civil and corporate matters and in the drafting and negotiation of contracts.

Cooperative Law

With extensive experience in cooperative law, Abreu Sampaio provides clients with legal advice on the relationship between cooperatives and their members.

Since its founding, Abreu Sampaio has acted in substantial disputes involving this highly specialised branch of law.

Corporate and Company Law

Abreu Sampaio represents its clients in corporate and company matters, acting in the incorporation, merger, spin-off, acquisition and dissolution of companies, and in the management procedures that keep disputes from arising.

Deeply personal and creative attention has allowed the firm's professionals to resolve the most varied corporate matters swiftly and effectively.

Family and Succession

Abreu Sampaio's excellence in family and succession law stands out among its practices. With more than 30 years of experience in the field, the firm's professionals have represented clients in every kind of court proceeding, as well as in matters involving the dissolution of marriage, the formation and dissolution of stable unions, probate and the division of estates.

The firm's professionals have broad experience across practically every branch of family and succession law.

Its attorneys advise clients at every stage of succession planning and of family corporate structures for the administration of assets, among others.

Real Estate

In real estate advisory work, the firm is prominently active in the market, providing highly personalised contractual advice on large and medium-sized business negotiations.

In this regard, Abreu Sampaio is equipped to advise its clients on the formatting, structuring and development of real estate developments in all their variables.

In real estate litigation, the firm also acts with expertise, taking a strategic and assertive approach before the Courts as well.

Labour

The firm has well-known professionals specialising in labour law, who deal with professional bodies, trade unions and the Regional Labour Offices.

They also draft and oversee individual and collective employment contracts, covering hour banks, profit sharing and other related matters of interest to the company.

Out of court, the firm has experience representing companies and employers in labour audits, the dismissal of employees and executives, collective bargaining with unions across many sectors, and incentive plans, among others.

The firm has a strong labour litigation practice, defending the interests of large Brazilian and foreign companies, service providers and rural producers.

State and Superior Courts

Abreu Sampaio represents its clients before the State Courts of Appeal and the Superior Courts, preparing appeals, delivering oral arguments and following each judgment closely.

The firm conducts special and extraordinary appeals before the Superior Court of Justice and the Federal Supreme Court, handling the admissibility and progress of each measure through to final judgment.

Maria Lúcia Vieceli

Member of the Brazilian Institute of Procedural Law (IBDP) and of the Brazilian association Elas no Processo (ABEP).

Has been with Abreu Sampaio Advocacia since 2026, working chiefly in strategic litigation, in Civil Procedural, Corporate and Real Estate.

Author of the book, based on her master’s thesis, “Rescissory Action Based on Factual Error: Requirements, Procedure, and Decision.”

Education: UNICESUSC, 2018
Postgraduate studies in Civil Procedure, UNICESUSC
Postgraduate studies in Court Practice, Damásio Educacional
Master's in Law, Federal University of Santa Catarina (UFSC)
Bar registration: OAB/SP 552.817 e OAB/SC 57.308
E-mail: mlv@abreusampaio.adv.br