Luxembourg (LU)





English, French, German

Practice area

  • Construction / Engineering
  • Contract Law
  • Corporate Law
  • Investment Dispute
  • Joint Ventures / Consortia / Shareholder Agreements
  • Real Estate


Educational/ Current position / Professional Experience


• Licence en droit, Nancy University, June 1971
• Certificat d’Aptitude à l’Administration des Entreprises, Nancy University, June 1971
• Admission to the Luxemburg Bar, 1976

Professional Experience

Pierre Thielen is mainly handling corporate and financial law matters. As director of several private equity companies, he has acquired expert knowledge in the fields of acquisitions and restructurings.

A seasoned litigator, he regularly intervenes in complex corporate matters, shareholder disputes and liability litigation.

His personal and professional skills have let him to be elected President of the Luxembourg Bar Association in 2001.
• Member of the Bar Council from 1991 to 1993 and from 2000 to 2003
• President of the Luxemburg Bar Association in 2001-2002
• Member of the Luxembourg Bar Disciplinary Council 2007-2015
• Member of the Luxembourg delegation to the Council of Bars and Law Societies of Europe (CCBE) 2005-2011
• Founder and ancien president of the Centre de Médiation (Luxembourg)
• Member of the Union Internationale des Avocats

Arbitration Experience

As Arbitrator:
6 arbitrations (ad hoc, ICC rules, UNCITRAL rules) as (4 arbitrations as co-arbitrator in international proceedings, 1 arbitration as Chair and 1 arbitration as sole arbitrator) in construction, corporate, banking, shareholder and contract disputes.

As Counsel:
3 arbitrations in international proceedings (ad hoc, Swiss Chambers’ Arbitration Institution rules (SCAI), ICC rules) in contract, corporate and shareholder disputes.


Practice areas