Dr. Karl Ömer Rösch


Karl advises and represents clients in national and international court and arbitration proceedings in all areas of business and commercial law, including public international law.

Prior to co-founding ARKTIK Legal, he worked for some of the world’s most prestigious international law firms such as White & Case LLP and Freshfields Bruckhaus Deringer LLP.

Karl has extensive trial experience defending technology clients with a particular focus on tech, internet and social media law, involving disputes around matters such as intermediary liability, data protection and personality rights.

Karl also has significant experience in litigating and arbitrating commercial disputes with a particular focus on the (re)insurance industry, acting for insurers, reinsurers, brokers, and major insured entities and their captive insurers.


Second State Exam, Higher Regional Court of Berlin

PhD, Johann Wolfgang Goethe-Universität Frankfurt am Main (summa cum laude)

Visiting researcher and lecturer, Uppsala University, Sweden

Diplôme Universitaire de Droit Français, Université Lumière Lyon II, France

First State Exam, Johann Wolfgang Goethe-Universität Frankfurt am Main






Karl represented Facebook in various litigation matters in front of German courts. Besides his experience as an outside counsel, Karl was seconded for 12 months to the legal team of Facebook, where he was responsible for the handling of litigation matters in Germany and France.

His experiences include the advice and representation of one of the world’s leading insurance companies in context with COVID-19 related reinsurance claims. In this regard, Karl has represented clients in emerging issues of the reinsurance industry, including procedural questions around reinsurance arbitration.

Karl advised and represented clients in mass actions brought by investors on the grounds of alleged deficiencies in prospectuses. His mass action experiences also encompass liability proceedings within the automotive sector.

Karl also represented clients in a variety of international investment, commercial and sports arbitration proceedings, including those conducted under the ICC, DIS, UNCITRAL, ICSID, SCC and CAS rules.





May the European Court of Justice Tame Intra-EU Investment Tribunals?, published in Lund Student EU Law Review Volume I, 2017

Intraeuropäisches Investitionsrecht: Die Zulässigkeit von Schiedsverfahren und deren Harmonisierung mit dem Unionsrecht, paperback book printed by NOMOS, 2017, 318 pages, ISBN 978-3-8487-4356-8

Report on the symposium of the working committee international insurance and insurance supervision law on 11. February 2017 in Obernai (France), SpV Issue 1, p. 2, 2017

Es lebe der Sport!, published in the Frankfurter Allgemeine Zeitung on 9. June 2016 (with Prof. Dr. Christian Duve)

Lösen internationale Gerichte die internationale Schiedsgerichtsbarkeit ab?, published in ZVglRWiss 2015, 387 (with Prof. Dr. Christian Duve)

Ist das deutsche Kartellrecht mehr wert als alle Olympiasiege?, published in SchiedsVZ 2015, 69 (with Prof. Dr. Christian Duve)

Der Fall Pechstein: Kein Startschuss für eine Neugestaltung der Sportschiedsgerichtsbarkeit, published in SchiedsVZ 2014, 216 (with Prof. Dr. Christian Duve)



PhD thesis awarded with the academic price of the German Arbitration Institute for the best dissertations in the field of arbitration in the years 2017/2018

PhD thesis receiving the highest academic honor summa cum laude

The Federal Supreme Court of Justice of Germany (Bundesgerichtshof) and the Higher Regional Court of Munich (Oberlandesgericht), both referencing and citing two academic papers written by Karl Ömer Rösch (see publications)