Founded in 1954 by Prof. Arnoldo Wald, along with his sons Alexandre Wald and Arnoldo Wald Filho, Wald, Antunes, Vita, Longo and Blattner Advogados specializes in highly complex conflict resolution and strategic advisory advice.

The firm is recognized for its performance in litigation, arbitration and mediation, appearing in the industry's leading rankings, such as Chambers and Partners, Legal 500, GAR 100, International Business, Analysis 500 and Latin Lawyer 250.

Among the awards, the most prominent are Latin Lawyer Year in 2006, 2008, 2009, 2010, 2013 and 2015. Among the main causes at work are the STF's lawsuit of extraction, which culminated in the largest number of lawsuits in Latin America, and the representation of authority in the first public arbitration in the sector.