João Matos Viana


João Matos Viana joined the firm in 2001 and became a non-equity partner in 2019. 

Currently he practices in the area of litigation, focusing specifically on criminal and regulatory offences involving banking, securities, insurance, competition and pharmaceutical law.

João collaborates regularly in regulatory, tax and corporate areas regarding the criminal/administrative matters.

João Matos Viana is the author of several articles regarding criminal law and criminal procedure law.


Law Degree (University of Lisbon School of Law, 2001). Master’s Degree in Criminal Law (University of Lisbon School of Law, 2008). Preparation of the Doctoral thesis at the Doctoral programme (University of Lisbon School of Law). Criminal Law teacher at University of Lisbon School of Law, since 2005. Coordinated several Post Graduated Studies Conferences.


Portuguese, English, French and Spanish.


Portuguese Bar Association (admitted in 2003). Researcher at the Institute of Criminal Law and Criminal Sciences - University of Lisbon School of Law. Member of the Pedagogic Council of the University of Lisbon School of Law (2012/2013, 2015/2016 and 2018/2019). Vice-President (since 2016) of the Forum Penal – Criminal Lawyers Association.

João Matos Viana