Hengeler Mueller advises 1&1 Drillisch on national roaming agreement with Telefónica
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 2024/2025, JUVE recognized Antonia Hösch as a highly recommended lawyer for conflict resolution. Competitors characterized her to JUVE as "combative, very committed to clients". Legal 500 has listed Antonia Hösch as a "Next Generation Partner" in Commercial Litigation since 2021. Chambers ranked Antonia Hösch in 2025 as "Up and Coming" for Arbitration. In the Lexology Index 2025, Antonia Hösch is listed as a "Future Leader" in the areas of Commercial Litigation and Arbitration.