Jan Kieszczyński
Litigation: Highly Regarded
Leading firm in Europe 2026
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Jan Kieszczyński
Partner
Mateusz Wiśniewski
Senior Associate
Paulina Bednarek
Senior Associate
Joanna Prusak
Of Counsel
Anna Szambor
Associate
Tina Karwowska
Associate
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Over 60% of the firm’s work is cross-border, spanning 33 jurisdictions, with a strong focus on CEE. 42% of clients are based outside Poland, ranging from global corporations and financial institutions to mid-sized enterprises and high-net-worth individuals. The firm is known for dispute avoidance — helping clients navigate complexity before it escalates — and for hands-on, tech-enabled delivery.
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