Aleksandra Stępniewicz

Associate, Warsaw



Aleksandra Stępniewicz is an associate in the White & Case Dispute Resolution, International Arbitration and White Collar practices. She provides legal assistance to clients in commercial disputes before common courts of all instances and arbitration courts. She also has experience advising in mergers and acquisitions.

Prior to joining White & Case, she worked in the litigation department of a global law firm based in Warsaw as well as Polish law firms. She also gained experience working at one of the largest insurance companies in Poland and at the Embassy of the Republic of Poland in Denmark.

Bars and Courts
Poland, National Council of Legal Advisors
Postgraduate studies in Negotiations, Mediation and ADR
University of Warsaw

Faculty of Law and Administration

Master's Degree
Faculty of Law and Administration
University of Warsaw
Erasmus scholarship
University of Copenhagen


Clients from the renewable energy sector: representation of clients from the renewable energy sector in disputes with state-owned public power companies for unlawful premature termination of long-term contracts on the sale of electricity (PPA) and property rights from certificates of origin (CPA).

A domestic construction company: representation of a domestic construction company in a dispute pending before the Arbitration Institute of the Stockholm Chamber of Commerce (SCC) concerning the execution of a FIDIC contract.

Tenants: representation of a tenant in a dispute against a shopping mall for a rent reduction due to an extraordinary change in circumstances (rebus sic stantibus claim).

Confidential clients: representation of various commercial companies in criminal cases (mostly white-collar crimes) regarding financial misconduct, fraud, misappropriation of entrusted property of significant value and other irregularities to the detriment of the companies resulting in the criminal liability of employees and persons managing commercial companies.

Clients from various sectors: representation of companies from various sectors in disputes regarding unfair competition.

An international construction company: representation of an investor, an international construction company, in connection with the acquisition of several wind farm projects in Poland.

Multiple companies: participation in M&A and real estate transactions, including due diligence reviews and preparation of the relevant documentation.


Some of Aleksandra's publications include the following:

"How mediation laws will change", Puls Biznesu

Brexit - civil litigation outside the EU agreement,

Poland: Supreme Court Ruling on Blank Promissory Note Order for Payment Issued Against Consumer