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Global Leader

Arbitration 2020

Professional Biography

WWL Ranking: Recommended

WWL says

Utku Coşar ranks highly among peers who consider her “a leading arbitration lawyer in Turkey”.

Biography

Utku Cosar is a partner at Cosar Avukatlik Burosu specialising in commercial and investment arbitration. Ms Cosar represents public and private clients in international arbitration, with extensive experience involving energy, construction and post-M&A disputes.

Her experience includes representing a private pension fund in an ICC arbitration involving a post-acquisition dispute, and representing the government of Turkey in three ICSID arbitrations involving energy disputes. Other experience includes advising an energy company in an ICC dispute involving damages claims arising from gas contracts, and representation of another energy company in an ICC arbitration regarding a construction dispute. In recent years, she has represented clients in four joint venture and post-M&A disputes involving banking and chemicals sectors in ICC and SCAI arbitrations.

Ms Cosar has been ranked in the top tier for dispute resolution lawyers in Turkey by Chambers and The Legal 500 for the past 12 consecutive years. She serves on the editorial boards of Dispute Resolution International, the journal of the dispute resolution section of the International Bar Association (IBA) and the ICC Dispute Resolution Bulletin, and regularly contributes to publications and speaks at conferences on international arbitration.

Ms Cosar received two LLM degrees from Georgetown University in law and international legal studies, and she is admitted to practise in New York and Turkey. Ms Cosar is fluent in English and Turkish.

Litigation 2019

Professional Biography

WWL Ranking: Recommended

WWL says

Utku Cosar is a well-respected name in the Turkish market where she focuses her first-class practice on disputes across various sectors, from energy to construction.

Biography

Utku Cosar is a partner at Cosar Avukatlik Burosu. She acts as counsel in commercial and investment treaty arbitrations, and litigation, with experience representing both state and private parties, and sits as an arbitrator.

Utku is a member of the ICCA publications advisory board and serves on the editorial board of Dispute Resolution International, the journal of the dispute resolution section of the International Bar Association (IBA), as well as the editorial board of the ICC Dispute Resolution Journal. She is also a fellow at the Chartered Institute of Arbitrators. She is the author of multiple publications, including “Claims of Corruption in Investment Treaty Arbitration: Proof, Legal Consequences and Sanctions”, in Legitimacy: Myths, Realities, Challenges (ICCA Congress Series no. 18; edited by Jan van den Berg and published by Kluwer Law International, 2015); “Annex ID to the Energy Charter Treaty: Limitation on Consent to International Arbitration” in the Turkish Commercial Law Review (volume 1(1), February 2015); and the Turkey chapters of Privilege and Confidentiality: An International Handbook and the IBA Arbitration Guide (both published by the IBA). She is also the co-author, with Suat Sari, of the Turkey chapter of Finding Freezing and Attaching Assets (edited by Jacob C Jørgensen and published by Kluwer Law International, 2016). A graduate of Marmara University Law School, Utku received two LLM degrees from Georgetown University Law Center. She is admitted to practise law in New York and Turkey. 

For the past 12 years running, Utku has been recommended for dispute resolution in Chambers Global and Chambers Europe (both listing her in band one), as well as The Legal 500 EMEA (which names her as a “leading lawyer”).

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