About
Boris is Global Co-Head of our International Arbitration Group and a disputes partner based in Frankfurt and London.
He represents US and international companies in complex international arbitrations and cross-border disputes across Europe, with particular experience in matters involving Germany and other European jurisdictions.
Qualified in Germany and England & Wales, Boris brings a cross-border perspective to international commercial and investment disputes. He acts in proceedings under the ICC, LCIA, DIS, ICSID and UNCITRAL Rules, with particular experience in disputes arising from M&A transactions, long-term commercial relationships, intellectual property and technology, energy and infrastructure. He also advises on arbitration-related and cross-border proceedings before national courts. Boris speaks English, German and French.
VCARD
Connect
Select language
Commercial Arbitration
- Acting for a US pharmaceutical company in ICC arbitrations arising from a patent licence agreement, including subsequent proceedings challenging the arbitral award at the seat and a reference to the Court of Justice of the European Union.
- Representing a global industrial company in several ICC arbitrations arising from long-term supply agreements across multiple jurisdictions.
- Acting for a major pharmaceutical company in a DIS arbitration concerning earn-out provisions and the interpretation of a commercially reasonable efforts obligation, including successfully defending the award against challenges through to the German Federal Court of Justice.
- Representing a major Japanese automotive supplier in a post-M&A arbitration arising from the acquisition of a European business.
- Acting for an Asian investor in a DIS arbitration arising from a joint venture agreement in the real estate sector.
- Representing a major international chemicals company in ad hoc arbitration proceedings concerning environmental liabilities arising from an M&A transaction.
- Advising and representing a major European financial institution in ICC arbitration proceedings and related proceedings in offshore jurisdictions arising from a post-M&A dispute.
- Acting for a major German industrial company in ad hoc arbitration proceedings arising from the dissolution of a significant energy-sector joint venture.
- Advising and representing an offshore corporate entity in a joint venture dispute concerning a shareholding in an Eastern European property venture, involving proceedings under the UNCITRAL and LCIA Arbitration Rules and related litigation before the English Commercial Court and Cypriot courts.
- Acting for clients in numerous applications for interim relief in support of arbitration, including injunctions restraining the exercise of put and call options, orders for the preservation and securing of evidence, and anti-suit and anti-anti-suit injunctions.
- Representing a defence technology company in ICC emergency arbitration proceedings concerning the protection of intellectual property rights.
Investment Treaty Arbitration
- Defending Albania in Anglo-Adriatic Group Limited v Albania (ICSID Case No. ARB/17/6), Arka Energy B.V. v Albania (ICSID Case No. ARB/20/54) and Durres Kurum Shipping SH.P.K. and others v Albania (ICSID Case No. ARB/20/37).
- Acting for Portigon against Spain (ICSID Case No. ARB/17/15) in a dispute concerning project-finance investments in more than 30 renewable-energy projects.
- Representing investors against Germany (ICSID Case No. ARB/19/29) in a dispute concerning regulatory measures in the renewable-energy sector.
- Defending Romania in three ICSID arbitrations: Micula v Romania (ICSID Case No. ARB/05/20), Dede and others v Romania (ICSID Case No. ARB/10/22) and Petrochemical Holding v Romania (ICSID Case No. ARB/19/21).
- Acting for investors against Bulgaria, including EVN AG (ICSID Case No. ARB/13/17), concerning energy-sector regulation, and the State General Reserve Fund of Oman (ICSID Case No. ARB/15/43), concerning the regulation of a financial institution.


Dr. Boris Kasolowsky
Große Gallusstraße 14
Frankfurt am Main 60315
100 Bishopsgate
London EC2P 2SR