Antonia Hösch

Antonia is a partner in Hengeler Mueller's Dispute Resolution Group. She has a broad dispute resolution practice with a particular focus on representing clients in national and international arbitration proceedings. Among others, she acted as counsel in arbitration proceedings under DIS, ICC and NAI Rules as well as in ad hoc proceedings. Antonia is familiar with the application of fast-track rules and interim relief measures in arbitration proceedings. In addition, she regularly acts before state courts and in arbitral expert proceedings.

Antonia advises on complex, often cross-border disputes, in particular on contract and corporate law issues. Antonia's practice also covers product liability and competition law disputes, bank liability matters as well as disputes between shareholders. Antonia's clients are domestic and foreign companies in the automotive, finance, retail, technology, biotechnology, pharmaceutical, energy and entertainment sectors, as well as family-owned companies and wealthy individuals.

In 2026, Chambers recognised Antonia as a “Notable Practitioner” in Arbitration. Clients say about her: “It's a pleasure working with [her]. It's impressive how she handles really difficult procedural situations, remaining calm but still very determined." In 2025/2026, JUVE acknowledged Antonia as a highly recommended lawyer for dispute resolution ("tenacious and highly committed to clients"). Legal 500 has listed her as a “Next Generation Partner” in the field of Commercial Litigation since 2021.