António de Magalhães Cardoso


Vieira de Almeida & Associados
Av. Duarte Pacheco, 26
1070-110 Lisboa

Tel: (+351) 21 311 3515
Fax: (+351) 21 311 3406


Academic background

Law Degree, University of Lisbon Faculty of Law.

Professional experience (VdA)

Joined Vieira de Almeida & Associados in 1998. He is a partner responsible for the Intellectual Property area of practice, also working thoroughly in corporate law and corporate crime.

He has participated in important PPP projects in the areas of transportation, has been involved in several major industrial, commercial and M&A transactions and has provided regular legal support to several international industrial companies, notably research-based pharmaceutical companies, and their Portuguese Association. He has broad experience in commercial litigation and arbitration, both national and international, as well as in pharmaceutical patent litigation.

Other professional background

Before joining the firm he was a partner at the law firm Botelho Moniz, Magalhães Cardoso, Marques Mendes & Ruiz, Sociedade de Advogados.

Member of

Admitted to the Portuguese Bar Association.


English, French, Spanish

The IP group is mainly focused on patent, trademark and copyright litigation.
In particular, as advisers to the most high profile pharma companies in the market, VdA IP practice has been involved in many of the most complex patent litigation cases in Portugal.
The team has also developed a very significant expertise in the negotiation of IP rights, as well as in the licensing process.
Led by one of the foremost experts in the market, we have grown in the last few years to become a highly reputable area of practice aknowledged by clients and peers alike.
We live in an exciting time. Globalisation has resulted in a new international business landscape with new markets and stronger players. Our clients are expanding their activities and see the world as their market. Clients are more international than ever and face new challenges which require legal services with global reach and lawyers who have the capability to work internationally and locally.
The business world is changing fast and VdA is changing with it. We have reshaped our organisation to meet the needs of our clients. VdAtlas is our new international platform for legal services. With it our clients have access to some of the best lawyers in Europe, South America, Africa and Asia.
Our network of preferred law firms combines the knowledge of their local markets with the understanding of our clients’ businesses to ensure that wherever our clients are they will have access to the best legal services available.
With close and long standing working relationships with leading firms in Portuguese speaking countries we are ideally placed to assist our clients in their investment projects in Portugal, Brazil, Angola, Mozambique, Guinea Bissau, Cape Verde, Sao Tome or East Timor.
We are passionate about what we do and have a talented group of people who enjoy challenges and are ready to provide solutions based on a wealth of local and international experience to help better serve domestic and international clients. With VdAtlas we are ready to go out of our way to be creative for our clients and wholeheartedly committed to our work.


To excel in everything we do; to demand and get the best from ourselves; to add value to our clients; to improve our standards at every opportunity; to enjoy our work and workplace; to be ethical towards clients and other lawyers.

One Team

To share each other’s successes and hard times; to work as a group with respect to each other’s individuality; to form a team with the client; to appoint the best prepared lawyers in the team for each transaction.

Focus on the Client

To avoid any conflicts of interest; to understand the client’s business; to understand the client’s needs; to be business-oriented; to challenge and think things through together with the client; to be aware of the client’s expectations and make every effort to exceed them; to be steadfast in defending the client’s interests.


To be a Portuguese firm, deeply-rooted in the local environment; to work with a wide variety of major international firms; to always provide our best opinion, free from any vested interests; to be totally devoted to the practice of law, on an exclusive basis.


To question and challenge, rather than to assume; to explore all possibilities and take a constructive approach; to seek cutting-edge solutions; to strive to continuously improve relations with the client; to be conservative, yet innovative.

António de Magalhães Cardoso is unanimously considered an authority in patents. Clients add: “He is a fantastic lawyer; very knowledgeable and fully dedicated to the client.”
Chambers Europe, 2014