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Assen Georgiev

Head of Litigation, Arbitration, Insurance, Employment, CMS Sofia

CMS Sofia
Landmark Centre
14 Tzar Osvoboditel Blvd
1000 Sofia
Languages Bulgarian, English

Assen Georgiev is a Partner at CMS Sofia and is Head of Litigation, Arbitration, Insurance, Employment.

He has represented clients in litigation/court disputes and advised on out-of-court settlement arrangements, mediation and arbitration proceedings in a variety of practice areas and sectors, including employment, commercial, energy and climate change, insurance, construction, competition, and banking.

Prior to joining CMS, Assen was a Co-Managing Partner of Legacom® Antov and Partners, one of the most reputable Bulgarian law firms.

Assen is a member of the Supreme Bar Council in Bulgaria. He is a certified mediator in the Register of the Bulgarian Ministry of Justice and an arbitrator with the Arbitration Court at the Confederation of Employers and Industrialists in Bulgaria. 

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"Mr Georgiev responds quickly and is supportive to a client. He has a very strong problem-solving attitude."

Chambers Global, 2023

"Impressive service, providing fast responses and confident opinions."

Chambers & Partners Europe

"On behalf of EU SUNDAY, I would like to express our sincere gratitude and best appreciation for the professional service rendered by you. I am impressed by the professional excellence, immense client understanding and high level of energy shown by you. I feel proud that I have such a great attorneys and you have led the case in the right direction. I sincerely appreciate your role in the success and wish that you would keep up the excellent performance in future too"

SDN Company

Relevant experience

  • Bulgarian National Bank (BNB) on tens of claims for state liability arising from BNB’s revocation of license of a major Bulgarian bank.
  • Jack Daniels’ Properties, international distributor of alcoholic beverages, before the highest Bulgarian court – the Supreme Court of Cassation in two complex cases related to trade mark rights, unauthorized import and exhaustion of IP rights; assistance with subsequent enforcement proceedings.
  • Iberdrola Renovables, the leading Spanish renewables company, on its several million euro dispute with Bulgarian State-owned grid operator arising out of a wind energy project.
  • SDN Company (South Korea), major energy sector foreign investor, and its local subsidiary in their disputes with Bulgarian subcontractors regarding construction of one of the largest solar parks in the country.
  • Representing some of the largest foreign investors in renewable energy in Bulgaria - ACWA Power (Saudi Arabia), First Reserve (USA), Crescent (Turkey), Efacec (Portugal), SDN Company (South Korea), Astronergy (South Korea), SPMA (Italy) and their subsidiaries before the Bulgarian administrative courts in appeal procedures against the Bulgarian state energy regulation authority.
  • Russian state-owned enterprise FGUP in successful enforcement of international arbitration award of the London Court of International Arbitration against debtor in Bulgaria, including blocking the debtor’s real estate property in Bulgaria.
  • Novera in investment arbitration proceedings against Republic of Bulgaria in the International Centre for Settlement of Investment Disputes (ICSID) in Washington D.C., USA, arising out of bilateral investment treaty. The client’s claim is based on indirect investment in three local companies holding concessions which were unilaterally terminated by Sofia Municipality.
  • Bilfinger SE, leading international construction company, in a multi-million dispute in the Arbitration Court at Bulgarian Chamber of Commerce with a local subcontractor arising out of the construction of a major military project in Bulgaria.
  • Hochtief (Germany), leading international provider of construction-related services, in an arbitration proceeding against the Bulgarian Ministry of Regional Development and Public Works for various claims concerning the construction period of this project, where we convinced our client to take an out-of-court settlement approach, and won a settlement for them.
  • International investment fund Green Power Development Holding Company B.V. –special purpose vehicle of major Japanese investors in Europe with involvement of Mitsubishi Group – on a multi-million euro arbitration dispute with local developers arising out of a 180 MW wind energy projects in Bulgaria before the Arbitration Court at Bulgarian Chamber of Commerce and Industry.
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Memberships & Roles

  • Member, Sofia Bar Association
  • Certified mediator, the Register of the Bulgarian Ministry of Justice
  • An arbitrator, the Arbitration Court at the Confederation of Employers and Industrialists in Bulgaria
  • Arbitrator, the Arbitration Court at the Bulgarian Industrial Association
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  • 2014 and 2015 - GAR - The European, Middle Eastern and African Arbitration Review
  • 2014 - Experts review: Arbitration, “Arbitration in Bulgaria – Overview“, CEE Legal Matters, 
  • 2013, 2014 and 2015 - Global Legal Insights – Chapter Bulgaria
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  • 1998 - LL.M., Law, Sofia University "St. Kliment Ohridski"
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