Stefan Patzer is a complex commercial trial lawyer who represents German and international clients in complex and high-profile disputes, both in and out of court, as well as in arbitration proceedings.

Mr. Patzer draws on experience successfully handling hundreds of arbitrations and court hearings, including some of the largest and most complex mass litigations in Germany, involving:

  • Securities litigation and mass actions
  • Complex commercial disputes
  • Insolvency-related disputes
  • Competition and cartel damages claims
  • Insurance-related disputes

His economic background provides him a unique insight and skill set to solve the most challenging scenarios for clients across a range of industry sectors, including automotive, energy and infrastructure, healthcare, and financial services. 

Mr. Patzer regularly speaks and writes on current legal issues for leading industry publications, including Börsen-Zeitung, Handelsblatt, and Legal Tribune Online (LTO).

Mr. Patzer’s experience includes representing:

  • Scottish Widows Limited in connection with the alleged misselling of insurance policies 
  • Scholz Holding AG in securities litigation
  • An insolvency administrator as seller of one of world’s largest solar companies in a post-M&A DIS arbitration
  • Senior lenders in protective shield proceedings and subsequent sale of the Neumayer Tekfor Group 
  • UniCredit as an agent/security agent in the loan-to-own restructuring of Klöckner Pentaplast
  • A consortium of banks in IFA Group’s restructuring
  • A health care provider in several shareholder litigation proceedings
  • A leading sports nutrition company in relation to sales structure and in a series of disputes with suppliers and service providers
  • An insolvency administrator as seller of one of the largest European manufacturers of abrasives in a preliminary injunction proceeding
  • Seller of healthcare facilities in a post-M&A DIS arbitration
  • A private equity investor on reinsurance/de-risking concepts with respect to life insurance risks 

Thought Leadership

  • “Neues Zeitalter im kollektiven Rechtsschutz,” Börsen-Zeitung, October 22, 2023 
  • “Neues Verbandsklage-Gesetz nimmt Gestalt an,” Börsen-Zeitung, February 18, 2023
  • “Niederlande legen zur EU-Verbandsklage vor,” LTO, July 20, 2022
  • “Rückenwind für Datenschutz-Sammelklagen,” FAZ Einspruch, May 12, 2022
  • “Justiz im Umbruch,” FAZ, February 23, 2022
  • “Spezial-Courts sollen Gerichtsstandort stärken,” Börsen-Zeitung, May 15, 2021
  • “ESG gewinnt in M&A Transaktionen an Bedeutung,” Börsen-Zeitung, April 24, 2021
  • “Wer die Insolvenz verschleppt,” FAZ, March 3, 2021

Bar Qualification

  • Rechtsanwalt (Germany)


  • Second German State Exam, Higher Regional Court, Hamburg
  • LL.M., George Washington University
  • MBA, University of Hagen
  • First German State Exam, University of Cologne

Languages Spoken

  • German
  • English
  • French