R. Joaquim Floriano, 413 - cj. 111
04534-011 São Paulo
Display phone number +55 11 3706-1500
Marçal Justen Filho
Cesar Pereira
Fernão Justen De Oliveira
Eduardo Talamini
André Guskow Cardoso
Alexandre Wagner Nester
Marçal Justen Neto
Rafael Wallbach Schwind


Marcal Justen Filho founded the firm Justen, Pereira, Oliveira & Talamini in 1986. His scholarly work and established law practice give the firm its unique identity. The firm has grown to become an internationally recognized legal services provider. Justen, Pereira, Oliveira & Talamini is best known for its strong practice in public law, especially in matters such as regulation, infrastructure projects, government concessions and public-private partnerships, public procurement and government contracts, and related dispute resolution. Its team of partners and associates features an unmatched combination of specialized knowledge, experience amassed from the firm’s 30-year practice in the Brazilian public law environment and ability to handle complex dispute resolution cases nationwide. It is a primary choice in this field for international and domestic clients from the private and public sectors.

The firm’s areas of practice go beyond public law and encompass a wide range of consulting, litigation and arbitration services in the areas of civil construction and business or corporate law. It regularly handles complex corporate disputes and negotiations, and it is active in advising clients in domestic and international commercial contracts.

Justen, Pereira, Oliveira & Talamini has an extensive practice in the representation of private companies in litigation and administrative proceedings before the port sector regulatory agencies and the Brazilian antitrust agencies.

An especially representative area of the firm’s practice is dispute resolution, including arbitration and mediation. Some of the cases handled by Justen, Pereira, Oliveira & Talamini in its arbitration practice since 2000 have become landmark leading cases in multiple areas of arbitration in Brazil. Justen, Pereira, Oliveira & Talamini brings also to dispute resolution its massive practice in the areas of public law, concessions, government contracts and related fields.


  • Regulation

  • Infrastructure projects

  • Regulated sectors

  • Government concessions and public-private partnerships

  • Public procurement and government contracts

  • Business and corporate law

  • Domestic and international commercial contracts

  • Civil construction

  • Dispute resolution

  • Domestic and international litigation

  • Domestic and international arbitration and mediation


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