Piotr Bytnerowicz

Counsel, Warsaw (on client secondment)



Piotr Bytnerowicz has over ten years of experience in various commercial disputes before state and arbitration courts (involving, in particular, construction and real estate-related disputes). He has advised and represented clients in disputes related to M&A and real estate transactions, various construction projects (including motorways, shopping centers, power plants and coke plants), as well as distribution and agency agreements. He also acts as arbitrator in commercial and construction disputes.

He joined the Warsaw office of White & Case in 2011. In 2013, he was seconded for six months to the International Arbitration Department at the London office of White & Case. During his secondment, he also worked with the Construction Team at our London office. Before joining White & Case, Piotr worked at the litigation and dispute resolution departments of two renowned international law firms, including a "magic circle" law firm.

Before joining White & Case, Piotr worked at the litigation & dispute resolution departments of two renowned international law firms, including a "magic circle" law firm.

Since 2009 Piotr has served as a judge at Poland round of Willem C. Vis International Commercial Arbitration Moot. He was also involved in establishing the first Polish association of arbitration practitioners under 40 – the Young Arbitration Practitioners in Poland (YAPP) at the "Lewiatan" Court of Arbitration in Warsaw. Piotr is also a member of the Working Group for Trainings of the Arbitration Commission of ICC Poland and of the ICC CEE Arbitration Group, as well as an alumnus of the ICC Advance Arbitration Academy for CEE.

Piotr frequently speaks at conferences and seminars relating to construction disputes and international arbitration.

The prestigious international reports on the legal services market, Chambers Global and Chambers Europe, list Piotr as "Up and Coming" in the Dispute Resolution category. Piotr has also been recognized by the latest edition of the Legal 500 EMEA ranking in the Dispute Resolution category. Who's Who Legal listed Piotr in the 2019 Arbitration Future Leaders – Non-partners ranking. In 2014 he was also honored as a "Rising Star" in the legal professionals rankings published by WoltersKluwer and Dziennik Gazeta Prawna. Chambers praised Piotr for "the clarity and aptness of his conclusions and arguments," as well as "his creativity in solving problems."

Bars and Courts
Advocate, Regional Bar Chamber in Warsaw
Master's Degree
Faculty of Law and Administration at Warsaw University
British Centre for English and European Legal Studies
University of Warsaw

(in cooperation with the University of Cambridge)



Acting as arbitrator in a construction dispute between a designer and an employer, relating to an office building in Warsaw.

Acting as arbitrator in a commercial dispute between a hypermarket chain operator and its supplier.

Representation of a municipal company in ICC arbitration against the general contractor of a transportation investment project.

Representation of a contractor in ICC arbitration valued at €27 million relating to one of the biggest and most complicated multi-purpose investments in Poland.

Representation of a spirits company (the respondent) in an arbitration dispute over the performance of a distribution agreement.

Representation of a client in relation to potential investment arbitration against Poland.

Representation of a real estate investor in connection with an ICC arbitration dispute with a hypermarket chain operator, regarding the performance of a hypermarket chain purchase agreement.

Representation of a power plant and its insurer in a court dispute against the power plant's contractor concerning an accident caused during the renovation of a power generator, valued at over PLN 30 million; representing the clients in mediation proceedings aimed at settling this dispute.

Representation of contractors in numerous disputes with GDDKiA relating to the construction of roads, bridges and motorways.

Representation of a contractor in negotiations of contracts relating to a power plant project.


The conclusions from the 2015 International Arbitration Survey, Arbitration Bulletin No. 3-4(22-23)/2015

Admissibility of witness preparation in arbitration proceedings –International and Polish perspectives, Dispute Resolution International Vol 10 No. 1, April 2016

Admissibility of witness preparation in arbitration proceedings, Arbitration Bulletin 22/2015

The Period for Giving Notice of Contractor's Claims Set Out in Sub-Clause 20.1 of the FIDIC Conditions in Light of Polish Law, Arbitration e-Review 1(8)/2012

Conditions for bringing new claims to arbitration under FIDIC contracts, Arbitration e-Review 1/2011

Cut-off Time for Introducing a Counterclaim in Arbitration under the ICC Rules, Arbitration e-Review 2/2010

FIDIC Sub-Clause 20.1, Biuletyn Konsultant 26(9)/2012