wizerunekprofesjonalistypl Piotr Bytnerowicz 18 Edytuj 2 3

Piotr Bytnerowicz

Founding Partner, ByArb

Vice-Chair, ArbCEE

Fellow, Chartered Institute of Arbitrators

Member, ICC Commission for Arbitration and ADR


Gender: Male

Year of birth: 1982

Nationality: Poland

Type of practitioner:

Counsel, Arbitrator, Mediator

Jurisdiction(s) in which admitted to practice (if applicable):


Fields of legal expertise:

Civil law, European law, International law

Practice areas:

Distribution, Franchising, Agency (Representation), Energy and Natural Resources, Real Estate, Construction, Engineering, Information and Communication Technologies, Sales, Purchases, Consultancy Services, Sports, Corporate Law / M&A, Investment Law/ Public International Law, Transport, Other

Contact details


pl. Malachowskiego 2
Warsaw, Mazowieckie 00-066




Piotr Bytnerowicz <p.bytnerowicz@byarb.com>




  • English: Fluent
  • Polish: Native

Relevant arbitration experience:

Arbitrator and counsel in well over 30 cases under various sets of rules, including UNCITRAL, ICC, VIAC, PCC (Polish Chamber of Commerce) or the Lewiatan Court of Arbitration in Warsaw.

I acted as a presiding or a sole arbitrator in 8 arbitrations and I also mediated a couple of cases.

Education & certifications:

ICC Advanced Arbitration Academy for Central and Eastern
Europe (2014-2015)

Warsaw Bar Association, advocates’ bar training (2007-2011)

University of Warsaw, Law Faculty (2001-2006)

Cambridge University, Institute of Continuing Education,
British Centre for English and European Legal Studies
(in cooperation with the Law Faculty of the University of
Warsaw) (2002-2004)


The Wind of Change, eSolver, August 2018

Admissibility of witness preparation in arbitration
proceedings –International and Polish perspectives, Dispute
Resolution International Vol 10 No. 1, April 2016 (co-author
with Emanuel Wanat)

The conclusions from the 2015 International Arbitration
Survey, Arbitration Bulletin No. 3-4(22-23)/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 1/2012 (co-author with Magda Kofluk)

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

Additional information:

I am a versatile disputes lawyer with extensive experience in various fields and industries, including
construction, energy and M&A. I work as co-counsel, lead counsel, arbitrator and mediator. Having worked both, at top international law firms in Warsaw and London, and inhouse at INPEX Operations Australia in
Perth, I learned to think outside the box and look at issues from various perspectives. I am a team player
and a problem solver, always looking for pragmatic solutions.