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Our professionals


Fabio Kujawski

Fabio Kujawski


Fabio has worked with technology, data protection, telecom, intellectual property, media and entertainment matters for over 20 years, with a focus on transactions, and regulatory and contractual issues. Fabio is the coauthor and editor of the book ‘Legal Trends in Technology and Intellectual Property in Brazil’ (2014), and is an officer at the Brazilian Association of Information Technology and Telecommunications Law (ABDTIC).


Bachelor of Laws – Pontifícia Universidade Católica de São Paulo (PUC-SP);

Master of Laws in International Economic Relations – Pontifícia Universidade Católica de São Paulo (PUC-SP).


Chambers Brazil – Telecommunications & Technology (2014 – 2018), Telecommunications (2019 – 2023), Technology (2019 – 2023) and Data Protection (2021 – 2023);

The Legal 500 – TMT (2014 – 2019) and Intellectual Property (2017);

LACCA Approved – Administrative Law (2017 – 2023);

Latin Lawyer 250 – Telecoms & Media; Data, technology and privacy law (2020 – 2021, 2024) and Intellectual Property (2021, 2024);

Análise Advocacia – Digital (2018 – 2024), Intellectual Property (2017 – 2019, 2023, 2024), Technology (2016 – 2019, 2021, 2022) and São Paulo (2017 – 2022);

Best Lawyers – Lawyer of the Year: Technology and Information Technology (2012, 2014);

Euromoney Expert Guides – Best of the Best Latin America: Telecoms (2016);

IFLR 1000 Energy & Infrastructure – Leading Lawyer: Energy & Infrastructure, Project Development (2015, 2016) and Project Development: Highly regarded (2018 – 2023);

Who’s Who Legal – Government Contracts (2017 – 2019), Data: Telecoms & Media (2018 – 2020), Data Privacy & Protection (2020) and Thought Leaders: Data (2019, 2024);

Who’s Who Legal Brazil – TMT (2017) and Government contracts: Data (2018 – 2020).

Único. The Mattos Filho news portal

Authored publications

Mattos Filho in the media

With Fabio Kujawski
Games Magazine

The bureaucratic complexity of the granting process for operating fixed-odd bets

New ordinance includes the Ministry of Sports in the authorization process for companies in Brazil and further delays the granting process, which can take more than 200 days. In this analysis, Fabio Kujawski and Isabela Fernandes Pereira, partner and lawyer at Mattos Filho respectively, state that “bona fide operators cannot be harmed in their activities by manifestly impractical regulatory deadlines and long periods of analysis of the grant request.

Click here and read the article on Games Magazine.

Areas of expertise


Resolution assigning specific numbers for telecoms services approved in Brazil

Approved on 15 March 2022, Anatel Resolution No. 749/2022 determines the assignment of specific numbers for telecoms services. The new resolution aims to ensure that current regulations keep up with the sector’s rapid technological development, especially with regard to the internet of things (IoT) and machine-to-machine (M2M) solutions – ensuring compatibility, integrated operations and interconnection between networks.

Click to read the Lexology article.

Areas of expertise

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