phone: +359 2 980 0412/0413
fax: +359 2 980 0457

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Bar admittance and membership:

Sofia Bar Association (since 1998)
Trademark Attorney at the Patent Office of the Republic of Bulgaria (since 2000)
European Trademark Attorney (since 2007)
Member of: International Arbitration Institute (IAI), London Court of International Arbitration (LCIA), International Council for Commercial Arbitration (ICCA), Bulgarian Association for International Law, International Law Association, International Bar Association
Arbitrator at: KRIB Court of Arbitration, VIAC (Vienna), Czech Arbitration Court (Prague), WIPO (Geneve), ACDR (Jordan), ADNDRC (Hong Kong), KLRCA (Kuala Lampur), South China International Economic and Trade Arbitration Commission (Schenzen)


Master Degree in Law, Sofia University “St. Kliment Ohridski”, Bulgaria (1990 – 1995)


Bulgarian, English, French, Russian

Assen Alexiev, Partner

Key qualifications

  • Representation in court and arbitration proceedings in relation to IP, competition protection, commercial agreements
  • Arbitrator of commercial disputes and proceedings in relation to internet domain names
  • Consultations and representation before the Competition Protection Commission in relation to mergers, unfair competition and competition restrictions
  • Representation before the Patent Office of Republic of Bulgaria, the World Intellectual Property Organisation (WIPO), the European Union Intellectual Property Office (EUIPO) and Register.BG in relation to industrial property and internet domains
  • Consultations and representation of clients on merger and acquisitions transactions, transactions related to intellectual and industrial property as well as on projects in the field of information technologies

Practice Areas

Corporate and CommercialMergers and AcquisitionsLitigation and ArbitrationCompetition and Consumer ProtectionIntellectual PropertyTechnology Media and Telecommunications

Work Highlights

Complex legal service to a pharmaceutical company
Arbitration proceedings at ICC Paris
Legal representation in appealing a sanction imposed by CPC for alleged breach of the competition rules
Reorganization of the distribution network of a multinational software company
Legal services to a consumer credits provider
Transfer of a business as going concern
Enforcement of an ICC arbitral award
Private venture capital fund investment in an IT company
Legal services to a private operator of public passenger transport services
Acquisition of NET INFO as going concern
Legal assistance in relation to setting-up of a Near Field Communication (NFC) electronic payment system
Advising on a bid to obtain a permit for prospecting and exploration of oil and natural gas
Restructuring of debts under bank loan agreements
Sale of HIGIA EAD – enforcement of special pledges – settlement of disputes
Structured finance relating to auto lease business (securitization of auto lease receivables)
Legal due diligence, privatization evaluation and information memorandum of Bulgartabac Holding
Sale of shares of Balkanpharma Razgrad
Acquisition of shares in Prista Oil AD and Monbat AD
Representation in parallel arbitration proceedings related to non-fulfilment of the privatisation agreement for Balkan Airlines
Implementation of a Budget Sector Financial Management System – Stage One
Awarding of the implementation of a Real Time Gross Settlement System
Legal due diligence reviews upon privatization of state-owned companies

Professional Experience

  • 1998 - present Partner, Sabev & Partners Law Firm
  • 2015 - present Deputy Chairman of the KRIB Court of Arbitration
  • 2008 - 2015 Member of ICC International Court of Arbitration, Paris 
  • Member of the ICC Commission on Arbitration and ADR 
  • Member of the ICC Task Force on National Rules of Procedure for Recognition and Enforcement of Foreign Arbitral Awards Pursuant to the New York Convention of 1958
  • since 2012 Country Reporter for Bulgaria, Institute of Transnational Arbitration, Dallas
  • 1996 - 1997 Expert, Legal Department, Privatization Agency