Can Yeginsu and Calum Mulderrig contribute to new edition of textbook on investor state arbitration

The seventh edition of The Investment Treaty Arbitration Review edited by Barton Legum has been published.

Can Yeginsu and Calum Mulderrig have authored the first chapter of the book, entitled “Covered Investment”.

The chapter analyses the critical threshold jurisdictional question of what constitutes a “covered investment” in investor-state arbitration, and in turn considers the scope of protection afforded to investors under investment treaties.

A copy of the chapter can be downloaded here.

Both Can Yeginsu and Calum Mulderrig are regularly instructed as Counsel in investment arbitrations, both for investors and for States.

Can Yeginsu has been described as ‘fiercely clever but also a true team player; he knows arbitration inside out and is a very elegant and effective advocate’ (Chambers UK), possessing ‘serious legal brainpower, accompanied with a deft touch with clients’ (The Legal 500) and ‘in a class of his own’ (Chambers Global), with experience of advising on and appearing in commercial and investment arbitrations, including under the ICSID, UNCITRAL, LCIA, ICC, LMAA and CIArb Rules. Can also accepts appointments to sit as an arbitrator and is recognised by Who’s Who Legal as ‘very thorough and decisive as arbitrator’.

Can Yeginsu is a member of the IBA’s Investment Treaty Arbitration Subcommittee and teaches international investment law and arbitration at Georgetown Law in Washington D.C. and Koç University Law School in Istanbul.

In the field of investor-state arbitration, Calum Mulderrig has acted in disputes before ICSID and the Permanent Court of Arbitration on behalf of both states and investors and has broad experience in acting in commercial and investment arbitrations under a variety of institutional rules, including LCIA, ICC, SIAC and UNCITRAL Rules.

3 Verulam Buildings is recognised as one of London’s leading Chambers in the fields of international arbitration and public international law.

Winner: UK Bar Awards 2025
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