João Gonçalves de Assunção

Of Counsel | Lisbon

Practice Areas
Intellectual Property and Information Technology
China Desk
  • English
  • Spanish

João Gonçalves de Assunção is an Of Counsel and has been at Abreu Advogados since 2000 working in arbitration, litigation, and commercial law. Since 2007, he has focused on the areas of intellectual property and TMT (technology, media and telecommunications).

He has significant experience in matters related to the safeguarding of intellectual property rights: copyright, trademarks and patents.

He has managed numerous processes related to the registration of rights, licensing and franchising, and has experience in litigation relating to infringement of intellectual property rights, trade names and domain names.

He has advised many multinational companies on e-commerce and data protection.

He has also advised Portuguese and multinational companies in various sectors on corporate and commercial contracts.


Advising a multinational company in the hospitality sector on administrative and judicial proceedings in Macau while defending its brands, objecting to their use in hotels located in Macau by another multinational hospitality sector company.

Advising a gaming concession in Macau on various types of store lease agreements appropriate in a shopping centre and on commercial contracts related to other activities in the concessionaire's casinos.

Advising a prestigious Macau hotel on various matters, such as the installation of a television and video content delivery system, customer data processing activities, data collection forms and review of privacy policies.

Advising a Japanese company in the catering industry regarding the misuse of its brands by a licensee and other companies in Macau belonging to the same licensee.

Advising a cable television services concessionaire in Macau on reducing share capital, amendments to its Articles of Association and the approvals required from the telecommunications regulatory authority.

Advising a multinational company in the diamond trade on the process of establishing a foundation in Macau.

Advising several multinational companies, holders of prestigious brands in Macau and abroad, on administrative and judicial processes, and on the preparation and lodging of claims, objections and judicial appeals relative to trademark registration proceedings.

Advising a multinational watch company on cases of illegal use of its trade mark in a draw held by a Macau gaming concession, and on lodging objections to third-party applications for the registration in Macau of misleadingly similar trademarks to that of the client.

Advising a Portuguese robotic applications company on company incorporation in the People’s Republic of China, in partnership with a Chinese wind energy group, reviewing the joint venture agreement, the shareholders’ agreement, terms of use agreement and technology development and technology transfer agreement.

Advising a fintech company on the feasibility and legality of providing financial services using blockchain technology.

Advising multinational companies in the banking, financial and insurance sectors and reviewing their data collection forms, terms and conditions of service, and activities related to the processing of clients’ personal data.

Advising a prestigious multinational company in the luxury clothing sector on maintaining its brands in Traditional Chinese and Simplified Chinese, and on concrete ways it could use the market in Macau.

Advising a public law association on the preparation of solicited opinions on the legislative approval process for the Cybersecurity Act and the legislative process for the approval of exemptions from notification when processing personal data as part of investigations into the prevention of and crackdown on money laundering and financing terrorism.



University of Lisbon

Law degree from the University of Lisbon, Faculty of Law (1999)

University of Coimbra

Post-graduation course in Communications Law and Information Society Law, from the University of Coimbra, Faculty of Law (2002)

Universitat Ramon LLul

Master’s at Law (LLM) in Intellectual Property and Information Technology from Universitat Ramon LLul, Barcelona (2007)