Hengeler Mueller

Hans-Jörg Niemeyer

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Practice Areas

Hans-Jörg has worked as a lawyer in Brussels for over 20 years. He has a broad competition practice, which includes advising on European merger control, antitrust and state aid law. He represents European and other international companies in proceedings before the European Commission and the European Court of Justice.


Hans-Jörg has been partner at Hengeler Mueller since 2001. Prior to this he was partner at the Brussels office of a German law firm for almost ten years.

Professional Memberships



‘The European Merger Control Regulation’, 1990; ‘EU State Aid Handbook’, 2010; ‘GCR, Cartel Regulation’ (EU-Chapter), 2020.