Johanna WIRTH
Johanna is a partner in Hengeler Mueller’s international arbitration group. She primarily acts as counsel and arbitrator in domestic and international arbitration proceedings with particular focus on energy, technology, banking & finance and post-M&A disputes. Her major clients include companies in the energy and telecommunication sector, as well as German and international financial institutions. In addition to her arbitration work, Johanna advises her clients on a variety of international law issues and in compliance matters.
Johanna is admitted to the German Bar and the New York Bar. She is a graduate from Humboldt University Berlin and holds a Master of Law in Corporate Law (LL.M.) from the New York University School of Law. Her expertise has been recognised in various international and German rankings. She regularly speaks and writes on international dispute resolution issues.
PAW Events
Current edition
Thursday 26 March 2026
14:30 - 16:30
DIS@PAW 2026: A Good Cure? Arbitrating Life Science Disputes – German and International Perspectives
German Arbitration Institute (DIS), Deutsche Institution für Schiedsgerichtsbarkeit e. V.
Sign up
Previous editions
Wednesday 20 March 2024
10:30 - 12:30
DIS@PAW: International and German Perspectives on Post M&A Disputes
German Arbitration Institute (DIS), Deutsche Institution für Schiedsgerichtsbarkeit e. V.
Sign up
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<h1>Johanna WIRTH</h1>\n
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Partner\n
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Hengeler Mueller\n
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<p>Johanna is a partner in Hengeler Mueller’s international arbitration group. She primarily acts as counsel and arbitrator in domestic and international arbitration proceedings with particular focus on energy, technology, banking & finance and post-M&A disputes. Her major clients include companies in the energy and telecommunication sector, as well as German and international financial institutions. In addition to her arbitration work, Johanna advises her clients on a variety of international law issues and in compliance matters.</p>\n
<p>Johanna is admitted to the German Bar and the New York Bar. She is a graduate from Humboldt University Berlin and holds a Master of Law in Corporate Law (LL.M.) from the New York University School of Law. Her expertise has been recognised in various international and German rankings. She regularly speaks and writes on international dispute resolution issues.</p>\n
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\n
<div class="wrapper user-events">\n
<h3>PAW Events</h3>\n
\n
<section class="events period-current">\n
<h4>Current edition</h4>\n
<div \n
class="item event "\n
data-id="41145"\n
data-partner="["13362"]"\n
data-speakers="["2361","11104","7524","16938","7387","15971","3913","16911","16913","16914","16917","6744"]"\n
data-themes="[27,42]"\n
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data-format="in_person"\n
data-schedule="afternoon"\n
data-category="academic"\n
data-date="2026-03-26"\n
data-hours="14:30 - 16:30"\n
data-video=""\n
data-pictures=""\n
data-publication=""\n
data-geoloc="48.8778051,2.3111678"\n
> <div class="inside" data-id="41145">\n
<div class="event-date">\n
<span class="day">\n
Thu. <b>26</b>\n
Mar.\n
</span>\n
<span class="year">2026</span>\n
</div>\n
<div class="event-details">\n
<a href="https://parisarbitrationweek.preprod.online/event/german-arbitration-institute-dis-deutsche-institution-fur-schiedsgerichtsbarkeit-e-v-2026-41145/" class="event-title">\n
DIS@PAW 2026: A Good Cure? Arbitrating Life Science Disputes – German and International Perspectives\n
</a>\n
<div class="event-partners">\n
<a href="https://parisarbitrationweek.preprod.online/partner/german-arbitration-institute-dis-deutsche-institution-fur-schiedsgerichtsbarkeit-e-v/" class="partner">German Arbitration Institute (DIS), Deutsche Institution für Schiedsgerichtsbarkeit e. V.</a>\n
</div>\n
<div class="event-themes">\n
<span class="theme">#Commercial arbitration</span>\n
<span class="theme">#Pharmaceutical</span>\n
<span class="region">#World</span>\n
</div>\n
</div>\n
<div class="event-metas">\n
\n
\n
<div class="event-format">\n
<div class="term">\n
<svg xmlns="http://www.w3.org/2000/svg" width="15.036" height="7.786" viewBox="0 0 15.036 7.786">\r\n
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IN PERSON\n
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<div class="map-det is-hidden">\n
<div class="date">\n
<div class="day">\n
Thursday <b>26</b> March 2026\n
</div>\n
<div class="hours my-3">\n
14:30 - 16:30\n
</div>\n
</div>\n
<div class="title">DIS@PAW 2026: A Good Cure? Arbitrating Life Science Disputes – German and International Perspectives</div>\n
<div class="my-3">\n
<div class="partner">German Arbitration Institute (DIS), Deutsche Institution für Schiedsgerichtsbarkeit e. V.</div>\n
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<span class="is-flex mr-5">\n
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\n
IN PERSON\n
</div>\n
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</div>\n
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<span>\n
48B Rue de Monceau\n
75008\n
Paris\n
</span>\n
<a href="https://www.google.com/maps/search/?api=1&query=48B+Rue+de+Monceau,75008,Paris" target="_blank" class="address-link button is-style-secondary mt-2">\n
<span>How to get there</span>\n
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</div>\n
<a href="https://parisarbitrationweek.preprod.online/event/german-arbitration-institute-dis-deutsche-institution-fur-schiedsgerichtsbarkeit-e-v-2026-41145/" class="button is-style-primary mt-5">\n
<span>Sign up\n
<i class="paw-icon-arrow"></i>\n
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</div>\n
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\n
</div> </section>\n
\n
<section class="events period-previous">\n
<h4>Previous editions</h4>\n
<div \n
class="item event "\n
data-id="13659"\n
data-partner="["13362"]"\n
data-speakers="["2361","8641","7524","757","8644","3913","5176","6916","7553"]"\n
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data-video=""\n
data-pictures=""\n
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data-geoloc="48.8778051,2.3111678"\n
> <div class="inside" data-id="13659">\n
<div class="event-date">\n
<span class="day">\n
Wed. <b>20</b>\n
Mar.\n
</span>\n
<span class="year">2024</span>\n
</div>\n
<div class="event-details">\n
<a href="https://parisarbitrationweek.preprod.online/event/dispaw-international-and-german-perspectives-on-post-ma-disputes/" class="event-title">\n
DIS@PAW: International and German Perspectives on Post M&A Disputes\n
</a>\n
<div class="event-partners">\n
<a href="https://parisarbitrationweek.preprod.online/partner/german-arbitration-institute-dis-deutsche-institution-fur-schiedsgerichtsbarkeit-e-v/" class="partner">German Arbitration Institute (DIS), Deutsche Institution für Schiedsgerichtsbarkeit e. V.</a>\n
</div>\n
<div class="event-themes">\n
<span class="theme">#Commercial arbitration</span>\n
<span class="region">#Europe</span>\n
<span class="region">#World</span>\n
</div>\n
</div>\n
<div class="event-metas">\n
\n
\n
<div class="event-format">\n
<div class="term">\n
<svg xmlns="http://www.w3.org/2000/svg" width="15.036" height="7.786" viewBox="0 0 15.036 7.786">\r\n
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\n
IN PERSON\n
</div>\n
</div>\n
\n
</div>\n
\n
<div class="event-ressources">\n
<span class="closed">CLOSED</span>\n
</div>\n
</div>\n
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Wednesday <b>20</b> March 2024\n
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10:30 - 12:30\n
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<div class="title">DIS@PAW: International and German Perspectives on Post M&A Disputes</div>\n
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<div class="partner">German Arbitration Institute (DIS), Deutsche Institution für Schiedsgerichtsbarkeit e. V.</div>\n
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Arbitration is an increasingly popular choice for dispute resolution in cross-border corporate transactions. In Germany, it has become the common method of resolving post M&A disputes. Typical scenarios include disputes about contractual representations and warranties, purchase price adjustments, MAC clauses, earn-outs, escrowed funds, and statutory tort claims. Often legal and accounting questions are intertwined. \r\n
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