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Our professionals


Lauro Celidonio Neto

Lauro Celidonio Neto


Lauro advises clients in all areas of antitrust law, including notifying the Administrative Council for Economic Defense (CADE) of M&A transactions, analyzing competition risks, reviewing trading and competition compliance policies, investigating anticompetitive practices, reviewing association, partnership and distribution agreements, defining and reviewing trading, compliance and competition policies, and anticompetitive conduct investigations before antitrust authorities in Brazil. His team has already negotiated and approved hundreds of transactions. Lauro also works with various markets and industries, including automotive, construction, infrastructure, energy, technology, pharmaceutical, supermarket, telecommunication and transportation. His practice covers competition-related litigation, such as loss and damage suits, contract reviews and contractual disputes, as well as unfair competition cases.

Lauro also specializes in advising companies, investors, sponsors and financiers in relation to infrastructure, public works, public service concessions and public-private partnerships (PPPs), as well as general administrative law concerns.

Lauro is a member of the Brazilian Institute of Studies on Competition, Consumer Affairs and International Trade (IBRAC), where he served as chairman between 2020 and 2021. He is also a member of the Lawyers Institute of São Paulo (IASP), as well as a board member and coordinator of the Brazilian Association of Infrastructure and Basic Industries’ (ABDIB) Legal and Tax Committee.


Bachelor of Laws – Universidade de São Paulo (USP).


Chambers Brazil – Competition & Antitrust (2009 – 2024);

LACCA Approved – Administrative Law (2016 – 2024);

Latin Lawyer 250 – Antitrust and Competition (2020; 2023 – 2024);

The Legal 500 – Competition & Antitrust (2012 – 2019), International Trade & Customs (2016) and Public Law (2019);

Análise Advocacia – Antitrust (2028 – 2024), Automotive & Autoparts (2017 – 2020) Pharmaceutical (2022 – 2024) and São Paulo (2017 – 2024);

Euromoney Expert Guides – Competition & Antitrust (2016);

IFLR 1000 Financial and Corporate (2015 – 2022) and Project development (2023);

Thomson Reuters – Stand-out Lawyer (2024);

Who’s Who Legal Brazil – Competition (2014, 2023) and Thought Leaders Brazil: Competition (2020, 2022– 2023);

Who’s Who Legal Global – Competition (2021 – 2023).

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Mattos Filho in the media

With Lauro Celidonio Neto
Latin Lawyer

America Móvil continues buying spree with Nextel in Brazil

Cleary Gottlieb Steen & Hamilton LLP in New York and Brazilian firm BMA – Barbosa, Müssnich, Aragão have helped Mexican telecoms company América Móvil acquire its Brazilian counterpart Nextel for US$905 million.
Nextel was owned by the US’ NII Holdings, which hired Jones Day in New York, Cleveland and São Paulo and Brazil’s Mattos Filho, Veiga Filho, Marrey Jr e Quiroga Advogados for the saleClick here and learn more.


Guarana Urban Mobility pasará a controlar SuperVia

publicado el 13/03/2019

La empresa compró una participación mayoritaria a Odebrecht TransPort

Por Ingrid Rojas

Guarana Urban Mobility Incorporated, subsidiaria de la japonesa Mitsui & Co., Ltd., firmó un acuerdo con Odebrecht TransPort S.A. que le permitirá convertirse en el mayor accionista de SuperVia Concessionária de Transporte Ferroviário S.A. con 88,67 % de participación. Acceda al artículo de LexLatin.

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