John Temple Lang

Senior Consultant

T: +32 2 287 2000
F: +32 2 231 1661

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John Temple Lang is a senior consultant based in the Brussels office.

Dr. Temple Lang's practice is primarily in European Union law, primarily antitrust and competition law.

Dr. Temple Lang was a Director in the Competition Directorate General of the European Commission from 1988 to 2000, and for the five years 1995-2000 was Director responsible for telecommunications, electronics and media. From 1974 to 1988 he was in the Legal Service of the European Commission, dealing primarily with competition law, trade law, and international environmental issues. He was involved in the negotiations that led to the European Economic Area and the Vienna Convention on the ozone layer.

Dr. Temple Lang is an Irish lawyer, and graduated with first class honours of Trinity College, Dublin, obtaining the LL.D. in 1980. Dr. Temple Lang is now Senior Visiting Research Fellow in the University of Oxford and a visiting Professor in Trinity College, Dublin. He has published a book on European Community law and more than 300 articles on a wide variety of legal and related subjects, mostly concerned with European law. His numerous papers at the series of Fordham University antitrust conferences in New York and the competition law conferences in St. Gallen in Switzerland include papers on high technology, joint ventures, essential facilities, regulatory laws, abuse of dominant positions, and collective dominance.

Dr. Temple Lang has appeared frequently in cases in the European Court of Justice and the General Court, on behalf of the European Commission and since joining Cleary Gottlieb in a number of competition cases and cases involving State aid and intellectual property issues.

He has lectured in the USA, Canada and in many European countries, and was twice General Rapporteur at conferences of FIDE, the Fédération Internationale pour le Droit Européen.

Dr. Temple Lang is a member of the Bar in Brussels and a solicitor in Ireland.


  • University of Dublin Trinity College
    (LL.D., 1980)
  • University of Dublin Trinity College
    (M.A., 1961)
  • University of Dublin Trinity College
    (LL.B., 1958)
  • University of Dublin Trinity College
    (B.A., 1957)

Bar Admissions

Law Society of Ireland Solicitor, the Michaelmas Sittings, 1958.
Re-admission to the Law Society of Ireland on March 26, 2001.
Brussels - June 11, 2001.


  • English
  • French
  • Gaelic

Areas of Law