Skip to main content
Antoni Libiszowski

Antoni Libiszowski focuses his practice on litigation (including, specifically, representation of clients in international arbitration proceedings, disputes before state and administrative courts), bankruptcy and restructuring proceedings, as well as matters related to individual and collective labor law.


  • Arbitration
  • Corporate litigation
  • Administrative and court/administrative proceedings
  • Bankruptcy and restructuring
  • Individual and collective labor law & employment



  • Represented one of the largest Polish companies in international commercial arbitration held before the International Court of Arbitration of the International Chamber of Commerce in Paris, pending in London against Yukos International UK B.V. regarding the post-M&A dispute relating to the acquisition of a refinery in Lithuania.
  • Represented one of the largest Polish companies in international commercial arbitration against one of the largest petrochemical companies worldwide, held in London under the Arbitration Rules of the United Nations Commission on International Trade Law. The dispute was highly complex and related to the pricing of polyethylene and polypropylene products of a joint venture which is the largest plastics manufacturing plant in Central and Eastern Europe.
  • Participated in assignments for US retail investors in the course of international investment arbitration (BIT) against the Republic of Poland, administered by the International Center for the Settlement of Commercial Disputes in Washington.
  • Represented a leading financial institution in international arbitration regarding a post M&A dispute concerning a cross-border transaction in the banking sector before the ICC International Court of Arbitration in Geneva under the Rules of Arbitration of the ICC.
  • Represented a retail chain in international arbitration proceedings before the International Court of Arbitration of the International Chamber of Commerce in Paris, and before the National Chamber of Commerce, concerning a breach of representations and warranties set forth in enterprise purchase agreements.
  • Represented individual clients in arbitration proceedings pending before the National Chamber of Commerce in Warsaw, concerning the international acquisition of a holding structure from a capital group investing in real property and the development of commercial real estate.
  • Advised a Reinhold Polska AB subsidiary on commercial arbitration held in Warsaw pursuant to the UNCITRAL rules, initiated by Union Investment Real Estate GmbH.
  • Represents PZU S.A. in (i) court proceedings initiated by shareholders to challenge resolutions of the General Meeting on the company on retaining the 2006 dividends; and (ii) court proceedings initiated by shareholders for the payment of compensation for so-called overdue dividends for 2006.
  • Represents investment funds with their registered office in the British Virgin Islands in court proceedings concerning a breach of the share purchase agreement (with the value in dispute exceeding PLN 100 million).
  • Represented a client in court proceedings related to a dispute on the ownership of shares in a Polish mobile phone company.°
  • Represented companies in court proceedings over ownership issues, including the squeeze-out of a minority shareholder from a limited liability company.°
  • Represents various entities in proceedings before the Polish Financial Supervision Authority and Polish administrative courts pertaining to alleged violations of the disclosure obligations of public companies.
  • Represents one of Poland’s largest arms trading companies in a series of administrative proceedings before the Ministry of Internal Affairs, as well as court/administrative proceedings concerning the revocation of the license to trade in arms and ammunition.
  • Represented a mobile phone operator in administrative proceedings before the Polish Office of Electronic Communications and in court and administrative proceedings concerning frequency reservation.°
  • Represented clients in court and administrative proceedings before the Polish Office for Competition and Consumer Protection and the Polish Antimonopoly Court.°
  • Participated in the work for Bank Pekao S.A., one of the largest creditors of PBG S.A. in the court-supervised restructuring of PBG’s debt, the largest such procedure in Poland’s history. The aggregate value of the receivables of PBG’s creditors exceeded PLN 3.2 billion.
  • Represents various clients in bankruptcy and restructuring proceedings.
  • Advises clients on their current legal and individual labor law issues (such as management contracts, employment agreements with management board members).
  • Advised various clients on issues related to the transfer of employment establishments.°

°The above representations were handled by Mr. Libiszowski prior to his joining Greenberg Traurig Grzesiak sp.k.

Anerkennung durch den Markt

  • Member, Warsaw Bar Association
  • Member, Disciplinary Commission of Ekstraklasa S.A.
  • Arbitrator, Lewiatan Court of Arbitration


Akademische Ausbildung
  • Advocate, 2007
  • Ph.D. studies, Faculty of Law and Administration, Łódź University, Department of Economic & Commercial Law, 2002-2006
  • J.D., Seton Hall Law School, 2002
  • Master of Law, Łódź University, 2001
  • Poland
  • Polnisch, Native
  • Englisch, Fluent