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Justyna Ostrowska



Ostrowska Justyna
Justyna Ostrowska



Justyna is an advocate with broad professional experience covering consultancy on electronic trade, commercial contracts and new technologies law, as well as intellectual property rights and data protection.

Justyna has experience in a range of digital projects for clients across a range of sectors, including in the fields of digital health, fintech, connected vehicles and digital marketing, in particular concerning AI, ad-tech, the repurposing of data, profiling, programmatic and behavioural advertising. She has advised clients on strategies for managing legal risk on the digitalisation of their activities, including for strategic partnerships, cloud services, privacy and cybersecurity issues, data monetisation and the launch of online products and services throughout the entire lifecycle of the product or service.

She assists clients in managing the implementation of IT systems, and outsourcing solutions and cloud projects, and by negotiating agreements concerning the servicing, maintenance, implementation and licencing for IT solutions. She also represents clients in contentious cases carried out by the Polish Patent Office and Polish common courts, covering enforcement of the protection of intellectual property rights and fair competition principles.

Related articles

Coding on an LCD computer screen

Blog Post: 04 January 2024

The EU Cyber Resilience Act proposal – What You Need to Know

Justyna Ostrowska, a member of our EU data protection and cybersecurity team, looks at the upcoming security requirements for digital products in the EU.

Read more The EU Cyber Resilience Act proposal – What You Need to Know

Publications: 27 September 2022

GIR - data privacy & transfer in investigations guide

Read more GIR - data privacy & transfer in investigations guide

Publications: 20 May 2020

Warsaw podcast - GDPR in M&A transactions

Read more Warsaw podcast - GDPR in M&A transactions

Publications: 31 January 2020

Warsaw podcast: GDPR in M&A transactions - episode three

Read more Warsaw podcast: GDPR in M&A transactions - episode three

Experience highlights



Grzybowska 56

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Admitted as an advocate, Warsaw Bar Association, Poland, 2009


Postgraduate Studies in Compliance, the Koźmiński Univercity in Warsaw, 2020

Postgraduate Studies in Competition law, the Polish Academy of Science, 2012

Postgraduate studies in European Law, the University of Warsaw, 2005

Master of Sciences, Faculty of Law and Administration, the Catholic University of Lublin, 2004

Pro bono

  • Providing a Polish Non-Governmental Organisation – Czerwone Noski Klaun w Szpitalu Foundation, a Polish partner of Red Noses International – with ongoing advice on the General Data Protection Regulation, cookies, online and offline marketing activities and crowdfunding with the use of new technologies.
  • Advising a Polish SOS Children's Villages association on the data protection matters, online and offline marketing activities, trade mark protection and partnership agreements.


Published work

  • "Data Privacy & Transfer in Investigations guide – Poland”, Global Investigations Review, co-author, 2020-2021
  • "Global Patent Litigation Strategy and Practice: Poland”, Kluwer Law International, co-author, 2015-2022 
  • “Latest trends in Bolar exemptions rules in Europe”, Managing Intellectual Property, co-author, 2014
  • "Intellectual Property Law. Practical Issues"" LexisNexis, co-author, 2013"