• GL
Choose your location?
  • Global Global
  • Australia
  • France
  • Germany
  • Ireland
  • Italy
  • Poland
  • Qatar
  • Spain
  • UAE
  • UK

Patrycja Treder

Senior Associate, Warsaw

Patrycja is a lawyer specialising in dispute resolution, in particular litigation and arbitration (both national and international).

Patrycja Treder


Patrycja Treder is a member of the Dispute Resolution Team and Environmental Protection Law Team at DWF Poland. Her practice is focused mainly on dispute resolution. She practices in international arbitration, in particular investment treaty arbitration (representing both investors and states), national arbitration and national litigation. She has experience in disputes related to construction, infrastructure, real estate, the energy sector, the mining sector, the entertainment sector, competition law and the European Union law. She also advises clients in all stages of criminal proceedings. Patrycja also has experience in environmental protection law, competition law and tax law. Her academic interests concentrate on the European Union law, international arbitration and public international law.

Patrycja obtained her full legal education at the University of Warsaw, graduating in 2015. She also holds a B.A. degree in the English Language Studies from the University of Warsaw (2009-2015). Additionally, she holds a diploma from the ICC Arbitration and ADR Training Programme from the Jagiellonian University (2015-2016) and a diploma in the Introduction to English and European Union Law from the British Law Centre organised at the University of Warsaw (2012-2015).


  • Advocate - The Warsaw Bar Association
  • Board Member of the ICC Poland ADR Commission
  • Member of the Young ICCA, YIAG and Young ICSID

Recent Cases

  • Member of a team representing a Central European country in an investment treaty dispute initiated by Dutch investors regarding the regulatory changes in the entertainment sector.
  • Member of a team representing a Central European country in an investment treaty dispute initiated by a Luxembourg investor regarding its real estate investments.
  • Member of a team representing Corona Materials LLC in the case of Corona Materials LLC v. the Dominican Republic (ICSID Case No. ARB(AF)/14/3) regarding an investment in the mining sector.
  • Member of a team advising a Canadian investor in an investment treaty dispute initiated against a Central Eastern European country regarding an investment in the mining sector.
  • Member of a team representing Elektrociep┼éownia Stalowa Wola S.A. (the Employer) in the arbitral proceedings before the Court of Arbitration at the Polish Chamber of Commerce in Warsaw arising out of a dispute with Abener Energía S.A. (the General Contractor) based on the construction agreement.


We use cookies to give you the best user experience on our website. Please let us know if you accept our use of cookies.

Manage cookies

Your Privacy

When you visit any web site, it may store or retrieve information on your browser, mostly in the form of cookies. We mainly use this information to ensure the site works as you expect it to, and to learn how we can improve the experience in the future. The information does not usually directly identify you, but it can give you a more personalised web experience.
Because we respect your right to privacy, you can choose not to allow some types of cookies. Click on the different category headings to find out more and change permissions. However, blocking some types of cookies may prevent certain site functionality from working as expected

Functional cookies


These cookies let you use the website and are required for the website to function as expected.

These cookies are required

Tracking cookies

Anonymous cookies that help us understand the performance of our website and how we can improve the website experience for our users. Some of these may be set by third parties we trust, such as Google Analytics.

They may also be used to personalise your experience on our website by remembering your preferences and settings.

Marketing cookies

These cookies are used to improve and personalise your experience with our brands. We may use these cookies to show adverts for our products, or measure the performance of our adverts.