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Patrick advises principals and contractors on contract drafting and contract management as well as on the legal enforcement of claims in the areas of private construction law and architects’ and engineers’ law. Further key practice areas are real estate law and banking and finance law.

Curriculum vitae

  • Training as a bank clerk and subsequent permanent position at Stadtsparkasse Düsseldorf, 2007 to 2011
  • Studied law at the Heinrich Heine University Düsseldorf, 2009 to 2014
  • Research assistant at the Chair for Civil Law, Commercial and Business Law with Prof. Dr. Ulrich Noack at the Heinrich Heine University Düsseldorf, 2014 to 2019
  • PhD on liability issues in corporate group law, 2015 to 2017
  • Legal clerkship at the Higher Regional Court Düsseldorf, 2017 to 2019
  • Lawyer at Kapellmann since 2019



Mainka, Die Baukonzession und das Erbbaurecht – Problem oder Lösung?, Vergaberecht 2020, Seite 133-138

Beurskens/Mainka, Ende mit Schrecken oder Schrecken mit Ende? - Nachhaftung im Vertragskonzern, DER KONZERN 2017, Seite 425-431

Annotations on court decisions

Mainka, Kein Nutzungsersatz für Verbraucher bei Widerruf von Kreditverträgen!, Anm. zu EuGH, Urteil vom 04.06.2020 – Rs. C-301/18, IMR 2020, 518

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