Calixto Salomão Filho is a professional associate and a Brazilian legal scholar and attorney specializing in comparative commercial law, Brazilian corporate law, and Brazilian antitrust law and regulation.
With over 25 years of experience, he seamlessly integrates deep academic expertise—as a professor at the University of São Paulo Law School and the Gide Loyrette Nouel Chair of Law and Development at Sciences Po, Paris—with practical insight.
He provides specialized legal opinions and strategic consulting on complex matters, including internationally, earning recognition as a leader in addressing intricate legal challenges across diverse jurisdictions.
Calixto’s practice is primarily focused on Brazilian corporate law, where he provides expert guidance on a wide range of issues. His work includes advising on governance structures and the rights and responsibilities of companies and their stakeholders, with a particular emphasis on environmental and social obligations. He is highly experienced in corporate reorganizations and mergers and acquisitions (M&A), as well as offering strategic legal advice on capital markets and shareholder relations.
In the field of antitrust law and economic regulation, Calixto is a recognized thought leader. He specializes in navigating complex regulatory frameworks and addressing antitrust challenges, with a focus on analysing market power and anticompetitive practices, and advising on the regulatory aspects of economic activities.
Beyond these areas, Calixto’s expertise extends to intellectual property, contracts, and commercial transactions. He also addresses legal aspects of sustainability and human rights, helping companies fulfil their responsibilities toward employees, communities, and the environment.
Additionally, he is experienced in arbitration and dispute resolution, bolstered by his position as Vice President of the Market Arbitration Panel of the São Paulo Stock Exchange (Bovespa).
Calixto has extensive publications in Brazilian and comparative commercial, corporate and antitrust law.
Calixto is an expert legal opinion writer and leading counsel in Brazilian and comparative commercial law, specializing in complex litigation and arbitration.
He is also a Professor of Commercial Law at University of São Paulo Law School, and Professor of the Gide Loyrette Nouel Chair of Law and Development at Institut de Sciences Politiques (SciencesPo), Paris.
Calixto is an expert legal opinion writer and leading counsel in Brazilian and comparative corporate law, specializing in complex litigation and arbitration.
He acted as leading consultant in Município de Mariana & Others v. BHP Group, which is described as ‘the biggest class action ever.’
Calixto is an expert legal opinion writer and leading counsel in Brazilian and comparative antitrust law, specializing in complex litigation and arbitration.
He acted as leading consultant in Viegas v. Cutrale & Others.
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Commercial and Comparative Law Publications:
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Brazilian and Comparative Antitrust Law: