Sylwester Pieckowski

International Partner
+48 (22) 520-5000
ul. Emilii Plater 53
00-113 Warsaw
  • Overview
  • Experience
  • Credentials
  • Insight

Sylwester Pieckowski heads the Warsaw office's litigation and ADR practice. His practice focuses on business dispute resolution through negotiation, mediation and arbitration. He has broad international business related experience based on more than 20 years of practice in Polish foreign trade and the aircraft industry Mr. Pieckowski is an international arbitrator and mediator and an active leader of ADR community. He frequently gives lectures on modern business dispute resolution methods to law students and practitioners. He published two and co-authored other two books on arbitration and ADR. He also co-authored the new Polish business mediation and arbitration reform law of 2015.

Publication Highlights

  • Represented a Polish trading company in a US$700 million pre-litigation contractual dispute with Lockheed Martin Corporation stemming from the F-16 Aircraft Sale Contract and Offset Agreement concluded with the Polish Government. The dispute was successfully closed and settled in March 2013.
  • Represented a major Polish car producer in products liability negotiation and settlement with a German supplier. 
  • Advised the Polish government in the privatization of PZU. 
  • Represented a German/Swedish consortium in the privatization negotiations of three Polish spirit companies. 
  • Represented a Swedish spirit company in a privatization and acquisition of Polmos company.
  • Represented a large packaged foods company as defendant in an arbitration with a contractor. 
  • Represented a Polish communications company as defendant and cross-plaintiff in a major arbitration dispute with a global telecommunications operator.
  • Acted as lead negotiator and counsel for a Polish government-owned hotel company in a long term international franchise agreements with a global U.S. firm.
  • Acted as lead counsel for a Polish spirit manufacturer as defendant in arbitration and litigation with a Polish competitor and US vodka distributor. Successfully argued the case before the Supreme Court.
  • Acted as lead counsel for a US company seeking enforcement of the New Jersey court judgment in Poland. Successfully argued the case before the Supreme Court.


Mr. Pieckowski has been listed in Chambers Global – The World’s Leading Lawyers for Business (2010-2015) and in Chambers Europe - Europe's Leading Lawyers for Business (2011-2015) for dispute resolution in Poland.

Activities and affiliations

  • President, Polish Arbitration Association, 2006-present 
  • Deputy Director, PAA Business Mediation Center, 2003-present
  • Co-founder and 1st Vice President, Arbitration Court at the Confederation LEWIATAN, 2005-2011
  • President, Civic Council for ADR matters at the Ministry of Justice in Poland, 2012-2014
  • Arbitrator, International Centre for Dispute Resolution (ICDR), 2009-present
  • Arbitrator, Czech Court of Arbitration, 2007-present
  • Arbitrator, Vienna International Arbitration Center (VIAC), 2010-present
  • Arbitrator, Court of Arbitration at the Polish Chamber of Commerce in Warsaw (SAKIG), 2013-present
  • Mediator, PAA Business Mediation Center, 2002-present
  • Member, Expert Team for Enhancement of the System of Business Dispute Resolution at the Polish Ministry of Economy, 2013-2015
  • Member, Expert Team for the Project “Effective and Ancillary State” at the Chancellery of the President of the Republic of Poland, 2013-2015

Professional background

  • Legal Advisor, Ministry of Foreign Trade, 1977-1987 
  • Fellow, Salzburg Seminar in American Studies, 1981
  • General Counsel and Proxy, PHZ Pezetel, Warsaw, 1983-1987 
  • Chief Legal Officer, Melex USA, Inc., 1988-1996
  • Counsel, Miller, Canfield, Paddock & Stone, Warsaw, 1996-1998
  • Altheimer & Gray, Warsaw, 1998-2004



Transparency and confidentiality in international commercial arbitration
University of Warsaw, Faculty of Law and Administration Conference
Association for the organization and promotion of the Willem C. Vis International Commercial Arbitration Moot was held March 26-April 1, 2010 Chadbourne and Parke...
University of Warsaw, Faculty of Law and Administration Conference
Sylwester Pieckowski spoke on "Conflict of interest in med-arb and arb-med proceedings" on February 10, 2010 at a conference organized by the University of Warsaw, Faculty of Law...