Johanna Wirth is a partner in Hengeler Mueller’s dispute resolution group. She specializes in domestic and international litigation, arbitration and ADR, with a special focus on complex commercial litigation and arbitration.

Johanna Wirth has litigated commercial, corporate and shareholders’, finance and post-M&A disputes for German and foreign clients. Her clients include companies in the energy and telecommunication sector, as well as German and international financial institutions.

Johanna Wirth has advised several clients in disputes over software development projects, including Deutsche Telekom AG in the arbitration proceedings concerning the truck toll system against the Federal Republic of Germany. Experiences in state court proceedings comprise the representation of Deutsche Bahn AG in a contractual dispute as well as the defense of the bank Sal. Oppenheim against a lawsuit by Madeleine Schickedanz. In post-M & A disputes, Johanna Wirth represented EWE in the arbitration concerning the participation in VNG against EnBW or GAGFAH S.A. in disputes with the state capital Dresden.

In recent years, Johanna Wirth has handled several complex domestic and cross-border investigations, as well as other compliance matters.


  • Admitted to bar 2008
  • Attorney-at-Law (New York) 
  • Humboldt-University of Berlin
  • New York University (LL.M.)