Dr Johannes Langen

Specialist lawyer for construction and architects’ law


  • Construction contracts
  • Real estate law
  • Law of architects and engineers
  • Procurement law

Dr Langen advises principals and contractors on all questions of private construction and real estate law, from contract drafting to contract management as well as in litigious disputes before the courts and arbitral tribunals.


Recent work

  • FRANKONIA Eurobau AG: Diverse Immobilienbauprojekte, u.a. Andreasquartier Düsseldorf, Win Win Düsseldorf
  • real,- GmbH


Publications (in German) 


Events (in German)


Curriculum vitae 

  • Studied law at the University of Bonn, 2001 to 2006
  • Legal clerkship at the Higher Regional Court Düsseldorf, 2007 to 2009
  • Lawyer at the law firm Lang & Rahmann, Düsseldorf, 2010 to 2012
  • Lawyer (Rechtsanwalt) at Kapellmann since 2013