Mireille Buydens > Janson > Brussels, Belgium > Lawyer Profile


Work Department



Mireille Buydens heads the IP, IT and Trade Practices department of Janson with Hans Dhondt. She is particularly recognised for her expertise in the field of patents, trademarks and copyright, with extensive experience in complex IP transactions.

She ranks amongst the leading IP lawyers in Belgium and she regularly acts for international chemical and oil companies, as well as major multinationals in the food sector. Mireille is highly regarded for her advice and is also well known for her litigating experience and skills.

Mireille is a professor at the Université Libre de Bruxelles (ULB) and at the University of Liège and is a lecturer at the CEIPI (Centre d’Études Internationales de la Propriété Intellectuelle). She is the author and co-author of several books on intellectual property.

Mireille was admitted to the Brussels Bar in 1992 and to the Paris Bar in 2001. After practising within other large Brussels and US business law firms, she joined Janson as a Partner in 2013.


  • 09/2013 – …: Partner – Janson
  • 09/2020 – …: Professor of Patent Law, University of Liège
  • 1998 – …: Professor of ICT Law, Université Libre de Bruxelles
  • 2005 – …: Teacher (patent litigation) at the Centre d’Etudes Internationales de la Propriété intellectuelle (CEIPI), Université Robert Schumann, Strasbourg
  • 04/2007 – 08/2013: Partner – Liedekerke Wolters Waelbroeck Kirkpatrick
  • 08/2002 – 03/2007: Off-counsel – Jones Day
  • 06/1998 – 07/2002: Partner – Stibbe
  • 10/1992 – 05/1998: Lawyer – Stibbe
  • 01/2002 – 12/2002: Manager of the legal aspects of the scientific and technical services to the Prime Minister
  • 06/1998 – 12/1998: Promoter of the “Copyright and the Internet” project on behalf of the Prime Minister’s Office
  • 10/1988 – 09/1992: Researcher at the Belgian National Research Fund (FNRS)
  • 04/1989 – 06/1991: Researcher at the Max-Planck-Institut


French, Dutch, English, German


  • 1997 – …: Member of the Belgian Council for Intellectual Property (Conseil de la Propriété Intellectuelle)
  • 1999 – …: Member (and Chair since 2013) of the Patent Agent Accreditation Commission, Ministry of Economic Affairs
  • 2012 – …: Member of the advisory board of Prof. Mr. E.A. van Nieuwenhoven Helbach Stichting
  • 2011 – 2014: Expert for the Flemish Scientific Research Fund (FWO)
  • 09/2000 – 12/2012: Member of the Mandatory Patent Licenses Commission, Belgian Central Economical Council
  • 2008 – 2011: Chair of the Commission for the Redrafting of the Belgian Patent Law, Belgian Council for Intellectual Property
  • 2008: Expert in intellectual property for the drafting of the Code of Economic Law, Ministry of Internal Affairs

Member of APRAM, BMM, AIPPI and EPLAW.


  • 1994: PhD in Philosophy, Université Libre de Bruxelles (summa cum laude)
  • 1992: PhD in Law, Université Libre de Bruxelles (summa cum laude)
  • 1982 – 1988: Master in Philosophy, Université Libre de Bruxelles (summa cum laude)
  • 1985 – 1987: Master of Laws and Economics, Université Libre de Bruxelles (magna cum laude)
  • 1981 – 1986: Law degree, Université Libre de Bruxelles (magna cum laude)

Lawyer Rankings

Belgium > Intellectual property

(Leading individuals)

Mireille BuydensJanson