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Matej Kosalko



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Matej Kosalko



Matej is a dual qualified (English and Slovak law) associate specialising in commercial and investment treaty arbitration as well as litigation. Matej has represented clients from various sectors in arbitration and litigation proceedings including energy, infrastructure, real estate, retail, finance, and technology and media. He has extensive experience in complex construction disputes, including under FIDIC forms of contracts, and negotiating and drafting of construction contracts.

News & insights

Collection of lights

Publications: 30 NOVEMBER 2021

The sun never sets on English law governed debt: reviewing the Re Prosafe SE decision

The recent decision in Re Prosafe SE pits the principle of freedom of contract against the increasingly popular modified universalism in the cross-border restructuring and insolvency space.

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Glass building

News: 29 NOVEMBER 2021

Allen & Overy advises Ørsted in purchase of 302 MW onshore wind farm

Allen & Overy advised Ørsted in the acquisition of Lincoln Land Wind, a 302 MW onshore wind farm in Morgan County, Illinois, from Ares Management. This transaction also includes the acquisitions of…

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Strings of code

Publications: 26 NOVEMBER 2021

Cyberspace Administration of China (CAC) publishes draft regulations for network data security management

On 14 November 2021, the Cyberspace Administration of China (CAC) published a consultation draft of the Regulations on Network Data Security Management (Network Data Security Regulations) for public…

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Publications: 19 MARCH 2020

Covid-19 coronavirus and businesses in Slovakia: force majeure

The coronavirus has a serious impact on the world’s economy and people’s social lives. Closures of factories and ports, restrictions on transport of goods and workers, a declining demand in energy and…

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Allen & Overy Bratislava, s.r.o.
Eurovea Central 1, Pribinova 4

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Admitted as solicitor, England and Wales, 2018

Fellow of the Chartered Institute of Arbitrators, 2017

Admitted as attorney, Slovak Bar Association, 2014


LL.M. in International Business Law, Central European University, accredited by the University of the State of New York, 2010

Diploma in Higher Education in an Introduction to English Law and the Law of the EU, University of Cambridge, 2010

Matej Bel University, Law Faculty, Slovak Republic, 2009

Published Work

“Has Slovakia become an arbitration-friendly jurisdiction?”, LEXOLOGY, 2019 

“Act of State doctrine applies in arbitration”, co-authored with L. Raimanova, JD Supra, 2018 

“Awards on Costs in Investment Arbitration”, speaking at Comenius University, Bratislava, Slovak Republic, 2018 

“(In)Genuinely Foreign Investment: A Survey of Nationality Requirements in Investment Dispute”, European Investment Law and Arbitration Review, Volume 3: Issue 1, 2018 (Won EILA essay competition of 2018.) 

“Currency Risks in Long-Term Contracts in Commercial and Investment Arbitration”, speaking at University of Latvia, Riga, Latvia, 2017