Welcome to our
new law firm







Partners about the law firm


“We closely monitor the market and learn new trends, so that we can understand our Clients’ business needs. Our job is not only to offer legal solutions, but also to search for answers which will help them grow their business, especially using new technologies.”


“We offer counsel in areas of law which we are truly keen on and which we are passionate about. Our Clients can see this dedication and appreciate it. We frequently establish warm and lasting relations with our Clients’ representatives; we rely on them as the source of our satisfaction and a ground for a successful collaboration.”


“I joined Anna and Marcin because we have similar professional experience and thoughts on business. After years of working in corporations and large law firms, we all wanted greater independence. But greater freedom is a greater responsibility, which forces the best understanding of customer needs. We are also aware that the client needs not only high-quality consulting, but also a broader understanding of his affairs. We have a team that can provide that..I joined Anna and Marcin because we have similar professional experience and thoughts on business. After years of working in corporations and large law firms, we all wanted greater independence. But greater freedom is a greater responsibility, which forces the best understanding of customer needs. We are also aware that the client needs not only high-quality consulting, but also a broader understanding of his affairs. We have a team that can provide that.”


About us

We have set up a specialized law firm to help our clients protect their intangible assets and develop new business based on new technologies and data.

Our goal is to provide complex, specialized support to our customers’ key issues - we are constantly close to them, providing the most precise, clear, and business-oriented legal advice – always tailored to their business needs.

We rely on our many years of experience, gained in well recognized international law firms operating in Poland.

We provide legal consultancy in the field of data privacy, copyright and related rights, trademarks, industrial designs, know-how, protection against acts of unfair competition, protection of business secrets, provision of electronic services, press law and advertising law.

We offer support in adapting business practices to the requirements of personal data protection regulations, in particular in the context of the General Data Protection Regulation (GDPR). We work out secure legal solutions for new forms of data collection and use, including personal data, such as drones, social media, Big Data analyses, or IoT.

Our Expertise


The offer includes the preparation of companies to implement legal requirements for the protection of personal data, support for compliance with legal requirements in the use of new technologies and representation of clients in proceedings before the supervisory authority.


We help clients protect their rights both at the stage of intellectual property (including employer-employee relationship, contractor-contractor), and during transformations and corporate changes (for example, when selling a part or the whole enterprise).


We help our customers determine their eligibility to use new technology, gain access to uninterrupted use, and protect against claims that may arise from the use of new technologies.


Our lawyers offer unique experience in the field of telecommunications law, having been involved in several hundred proceedings, including representation in regulatory disputes on behalf of the largest telecommunications companies and service providers.



Anna Kobylańska is an advocate, member of the Warsaw Bar Association. Prior to establishing her own law firm, she practiced Intellectual Property, New Technologies and Personal Data Protection Law in international law firms for more than a decade.

Anna specialises in legal counselling in the field of personal data protection, copyright, industrial property rights, media and advertising law, and the law of new technologies. She has many years of experience in leading projects relating to Internet domain names protection, use of new technologies to collect and process personal data (IoT, Big Data, behavioural targeting) and IT systems implementation. She was also on board in projects concerning the assessment of the potential of technological start-ups in the context of the intellectual property generated by them. As regards the implementation of the EU GDPR requirements, she has worked for clients in the financial, media, automotive, retail, pharma and business consulting sectors.

She is the author of one of the first books in Poland on “Protection of Trademarks on the Internet” and the co-author of “Data Protection in Business Practices” and “Protection of Trademarks: Online Use and Anticybersqautting. A European Perspective”. For several terms she has been involved in the works of the committees of the International Trademark Association (INTA, an international association of trademark protection specialist),including in 2016-2017 in the Personal Data Protection Committee. She lectures at the Hugo Grotius Intellectual Property Centre. She is a member of the International Association of Privacy Professionals and a member of the EC Multistakeholder Expert Group to Support the Application of GDPR.

In 2017, Anna’s data protection law practice was distinguished in the regulatory law firms ranking published by Polityka Insight. Since 2012, Anna has also been ranked each year in the Chambers and Partners Europe in the “TMT: Data Protection” area.


Marcin Lewoszewski is a legal advisor, member of the District Chamber of Legal Advisers in Warsaw. Before joining the firm, he worked for over seven years as part of the TMT team with one of the leading international law firms based in Warsaw. Earlier, for two years, he worked in the Office of the Polish Data Protection Authority.

For years, Marcin has been advising clients whose personal data is the most valuable asset. Recently, he has been helping the Polish computer game producer operating globally in adapting business processes to the requirements of the General Data Protection Regulation. To a similar extent, he supported one of the largest CRO entities in Poland. He also advised a large capital group operating on the financial market in connection with breaches of personal data protection. He assisted one of the largest corporations in the world in the process of accepting binding corporate rules (BCR) in proceedings before the Polish data protection authority.

Currently, he represents before the court a party to the proceedings ended with the imposition of the first financial penalty in Poland by the President of the Office for Personal Data Protection on an administrator whose activity is based on the processing of data from publicly available registers.

On regulatory matters Marcin Lewoszewski advises leading brands operating on the global media and telecommunications market, including in the field of OTT services (media streaming, VoIP). He is the author of several dozen articles on the subject of personal data protection - he published, among others, in the Polish edition of Harvard Business Review, in Rzeczpospolita, Dziennik Gazeta Prawna, and abroad - in BNA Bloomberg, IAPP PrivacyTracker or DataGuidance. He is the co-author of the chapter in the book on Polish regulations on the protection of personal data "The Law Reviews: the Privacy, Data Protection and Cybersecurity". He was quoted many times by the professional press in Poland and abroad, including the opinion-forming Politico. Regardless of his work in the office, he is the editor-in-chief of the quarterly Information in Public Administration, published by C.H. Beck.

In 2016, he was selected by the International Association of Privacy Professionals, a globally operating organization gathering professionals dealing with personal data protection, as the IAPP KnowledgeNET Poland co-chair. Dziennik Gazeta Prawna named him as one of the 30 most promising lawyers in Poland before 30 years of age. He is recognised by Chambers and Partners Europe as one of the leading data privacy lawyers in Poland.


Dr Arwid Mednis is a legal counsel specialising in new technologies law, in particular in personal data protection law and telecommunications law. He also deals with issues of cyber security, information protection and access to public information.

Arwid’s specialty is also administrative law, in particular the law of local government and public-private partnership.

In the years 1991–2000 Arwid represented Poland in the Committee for the Protection of Personal Data in the Council of Europe in Strasbourg, in the years 1998–2000 he was its chairperson. He was a member of the GIODO Scientific Council, as well as the author and co-author of draft laws on personal data protection and the exchange of business information. While working on regulations implementing the General Regulation on the Protection of Personal Data (GDPR), he was an expert on behalf of public and private institutions.

He represents clients in regulatory cases, as well as in court and administrative proceedings.

Arwid Mednis also works at the Faculty of Law and Administration of the University of Warsaw, where he lectures, among others, on access to public information, personal data protection, electronic communications law and cyber security. He has authored numerous publications in the above fields.

For many years, he has led the telecommunications law and personal data protection rankings of specialist publishers and legal guides, including Chambers Europe Legal Directory, Legal 500 EMEA and Legal Experts EMEA. He has also regularly won awards in the law firms rankings of the Rzeczpospolita daily (including for the personal data protection leader in 2018 and 2019).


Krzysztof Muciak is an advocate, member of the Warsaw Bar Association. Before joining Kobylańska & Lewoszewski, he cooperated with several Polish and international law firms. He graduated from the Faculty of Law and Administration of the Warsaw University, The British Law Centre at the Faculty of Law and Administration of the Warsaw University and postgraduate studies in Cybersecurity Management at the Warsaw School of Economics.

Krzysztof specialises in advising Clients in cases regarding personal data protection and cybersecurity. He also has experience in providing day-to-day advice to commercial entities, including in the scope of online services and consumer rights regulations.

Krzysztof has several years of experience in auditing of businesses and non-governmental organisations for compliance of their operations with personal data protection regulations, as well as in implementing the requirements of the EU general data protection regulation (GDPR). He conducted complex implementation projects where he drafted required internal and external documents, negotiated contracts regarding personal data entrustment and/or transfer to countries outside the EU, and carried out training courses for his Clients’ staff and managers. In this area, he advised business clients from various market sectors, including transport, IT, training, consulting, retail sales and production. He is the author of several articles on data protection issues, including publications on the GDPR, ePrivacy and processing data contained in cookie files.


Aleksandra Czarnecka has been admitted to the Warsaw Bar Association as a trainee advocate. Before joining Kobylańska & Lewoszewski, Aleksandra was an associate in the TMT/IP/Personal Data Protection team of an International law firm. Aleksandra graduated with honours from the Faculty of Law and Administration at the Warsaw University and the Center for American Law Studies jointly organised by the Faculty of Law and Administration at the Warsaw University, the Georgia State University College of Law and the Emory University School of Law.

Aleksandra specialises in personal data protection and cybersecurity law. She was on board in projects concerning the implementation of GDPR requirements for more than a dozen companies, including the largest players in the pharmaceutical, medical, technological, construction and e-commerce sectors. She also participated in the project implementing the AML Directive (IV) for one of the leading Polish banks. Aleksandra’s experience also includes agreements on data transfer to third countries,, assistance to Clients in handling data subjects’ rights requests, or Vendor Risk Management.


Karolina Gałęzowska is a lawyer specialising in administrative (public) law, privacy and telecommunications law, as well as new technologies law. She has provided advice on data protection and ePrivacy for banks, telecoms, business intelligence agencies and public entities, including public statistics entities.

She participated in numerous GDPR audit projects concerning data processing and implementation, in which she drafted documents, negotiated data processing agreements and contracts relating to the transfer of personal data to third countries. She created data subjects rights handling schemes and carried out data protection impact assessments. She also on board in legislative work to the incorporate the European data protection regulations into the Polish legal system, drafting amendments and derogations for more than 30 Polish legal acts. Her experience also includes taking part in proceedings before the Polish Data Protection Authority and the President of the Office of Electronic Communications. She was a temporary DPO for an international financial institution. She also provided legal counsel on regulatory affairs to entities from the aviation sector.

Karolina is the author or co-author of a number of publications on personal data protection. She is also a member of the IoT working group with the Polish Ministry of Digital Affairs. She is a law graduate of the College of Interdisciplinary Individual Studies in the Humanities and Social Sciences at the University of Warsaw. She is currently a PhD candidate, working on a thesis on data transfers supervision. She also pursues academic projects concerning artificial intelligence (AI), in particular AI accountability and transparency.