Prof Dr Jos Dumortier > time.lex > Brussels, Belgium > Lawyer Profile

Jos Dumortier photo

Work Department

Information Technology, Privacy & Data Protection.


Partner. Internationally renowned expert in privacy & data protection; IT, software and internet; e-signatures, e-security, e-authentication and identity management; digital and mobile marketing. Author of the Belgian 1992 Data Protection Act at the Belgian Government’s request.


Co-founder of TMT & IP boutique law firm time.lex in 2007. Professor em. of IT and data protection law at the University of Leuven. Founder and Director of the Interdisciplinary Centre for Law and ICT (ICRI) of the University of Leuven. Research Director at iMinds. Together with the Belgian Minister of Justice, the driving force behind the Belgian Cybercrime Centre of Excellence for Training, Research and Education. Formerly head of TMT at Lawfort (2005-2007) and associate at Simont & Simont (now Stibbe) (1981-1992).


Dutch, English, French.


Brussels Bar. +10 years Board member of Computerrecht, the leading Belgian-Dutch journal on IT and data protection law. Board member of the Belgian branch of the Federation of Telecommunications Engineers of the European Union (FITCE) and the European Association for e-Identity and Security (EEMA). Member of the Belgian Telecommunication Users Group (BELTUG).


Information Science (Free University of Brussels, 1983). PhD in Law (1981). Post-graduate studies (University of Nancy, 1974, and University of Heidelberg, 1975). Law degree (University of Leuven, 1973).

Lawyer Rankings

Belgium > EU regulatory: Privacy and data protection

(Leading individuals)

Jos Dumortier


Specialising in data protection and IT regulatory work, time.lex advises a range of domestic and international businesses on data protection compliance issues, as well as handling representation in high-level litigation before European courts. Additionally, the firm regularly advises European and global governments and public sector bodies on drafting data and cybersecurity legislation, and representing them against multinational companies in disputes. Key names in the team include Jos Dumortier, who drafted the Belgian Data Protection Act, Frederic Debusseré, Hans Graux, Ruben RoexGeert Somers , and Edwin Jacobs.

Belgium > EU regulatory: Information technology

(Leading individuals)

Jos Dumortiertime.lex

Belgium > Industry focus: IT and telecoms

(Hall of Fame)

Jos Dumortiertime.lex