About Chałas & Partners Law Firm

Chałas and Partners is one of the leading law firms in Poland. It focuses on servicing large businesses. As the firm specialises in servicing large business entities, leading foreign corporations are the largest group of its clients. On the Polish and European markets, Chałas & Partners Law Firm has been known for the implementation of large and complex projects and transactions.

Thanks to the network structure, our Clients have unlimited access to the international legal expertise, practical knowledge of local markets and resources which can only be guaranteed by an international company. Established in Warsaw in 1995, it has been among the top ten best law firms in Poland for years.

Consultancy for domestic and international companies is provided by our team of diligently selected lawyers. Our legal services cover all areas of business. The dominant specialisations are as follows: corporate law, mergers and acquisitions, energy law, intellectual property, new technologies and information protection, litigation, taxes, services provided to eastern markets. Chałas & Partners Law Firm has implemented complex projects for the following sectors: energy, chemical, petrochemical, transport, (tele)-IT, food, construction, banking, FMCG.

Chałas and Partners has an international profile – legal services are provided through a network of offices and associated law firms located in more than 20 countries around the world. Our international team of lawyers offers clients integrated legal advisory services at the highest quality level.

Awards and distinctions

Our Law Firm Worldwide

Chałas & Partners Law Firm is one of the few Polish law firms with global presence. It provides legal advice in a number of foreign languages and the scale of its operations covers 20 countries on 4 continents: Europe, Asia and both Americas. Our Law Firm’s offices are located in:

  • Kazachstan– Almaty,
  • Ukraine – Kiev,
  • Germany – Berlin.

For our Clients a global expertise is crucial. So is a simultaneous deep understanding of the local economic conditions and customs. A good example is the Law Firm’s office in Kazakhstan, which in cooperation with other associated law firms handles the most complex projects in Central Asia region. Chałas & Partners Law Firm is also at the forefront of advising undertakings operating in Central and Eastern Europe. Thanks to its Kyiv office support and the collaboration with numerous associated offices, the Law Firm provides legal advice to companies from both the European Union, Central Europe (non-EU countries) and Russia.

The network of associated trusted foreign law firms operating in Asia, Europe and both Americas covers the following countries and main cities:

  • Russia – Moscow
  • Belarus – Minsk
  • Mongolia – Ulaanbaatar
  • Romania – Bucharest, Cluj Napoca
  • Bulgaria – Sofia
  • Czech Republic – Prague
  • Slovakia – Bratislava
  • Germany – Berlin, Frankfurt am Mein, Hamburg, Bremen
  • USA – New York, Chicago, Key West, Salt Lake City, New Hartwort
  • The Bahamas – Freeport, Nassau
  • Brazil – Sao Paulo

  • Argentina – Buenos Aires
  • Chile – Santiago
  • Mexico – Mexico City
  • Spain – Madrid
  • Italy – Milano
  • India – New Delhi
  • China – Shanghai
  • Panama – Panama City
  • Costa Rica – San Jose
  • Ecuador – Guaguquil

Thanks to joining the prestigious Zumpano, Paticios & Winker law firms network, the Clients of Chałas & Partners Law Firm can benefit from an unlimited access to global expertise helping them to run their business even in the most distant parts of the world. If our Clients requires legal expertise in any other location, Chałas & Partners Law Firm renders its services through a number of affiliated law firms worldwide.

Our Clients

CHWP Law’s Partners

Jarosław Chałas

Managing Partner
  • Founder of Chałas & Partner Law Firm.
  • Specialises in M&A transactions, restructuring and commercial contracts.
  • Adviser and transactor of large-scale privatisation projects of domestic key enterprises.
  • Adviser to companies and capital groups on restructuring and investments projects.
  • A member of management of a number of companies as, in particular, President of a Supervisory Board of Messenger Service Stolica SA (now UPS Polska Sp. z o.o.), a member of a Supervisory Board of Mostostal Zabrze Holding SA, President Deputy of Radomska Wytwórnia Telekomunikacyjna SA
  • A coordinator in Poland by Zumpano, Patricios & Winker, international law firms network.
  • Business Centre Club expert on business law.
  • Arbitrator of the PKPP Lewiatan Court of Arbitration.
  • Arbitrator of the Arbitration Court at the Cracow Chamber of Commerce and Industry.
  • Independent Expert of the Consulting Engineers Association (SIDiR).
  • A member of the Management Board of Baltic Business Forum.
  • One of the most frequently cited expert by leading media in Poland.
  • Speaks Russian, English.
  • Author of numerous publications and many books. One of the most influential legal experts in Poland. He hosted two original legal programs in TVP3 and TVN-CNBC.
  • Winner of many awards and distinctions, among others Optimist of the Year 2017, Personality of the Year 2016, Top-5 managing partners of Gazeta Finanowa 2016, Manager of the Year 2010.

Halina Kwiatkowska

  • Specialises in corporate and transactional advisory, with particular expertise in M&A transactions.
  • Tax and employment law specialist
  • Advises on complex restructuring projects, including mergers, transformations and divisions.
  • Adviser in capital acquisition processes both from public market and private equity.
  • Arbitrator of the Arbitration Court at the Cracow Chamber of Commerce and Industry.
  • Author of numerous publications, co-author of a numer of commentaries, including Commentary on Labour Code, Commentary on the Act on Business Information Disclosure.
  • Speaks English, Italian.

Maciej Priebe

  • Has knowledge and many years of experience in the field of intellectual property law, with particular emphasis on industrial property rights.
  • He deals with consulting in the area of ​​obtaining and managing trademark rights, industrial designs, utility models and patents, in the territory of Poland, the European Union and a number of other countries around the world.
  • An expert in the field of valuation of industrial property rights, for transaction, evidence and information purposes. He advises on the development of business and tax strategies including industrial property rights.
  • Speaker at numerous trainings and conferences, in particular concerning the rights to trademarks.
  • Author of publications on industrial property law. He provides statements and comments for the media, including Radio TOK FM Economic Report.
  • Professional representative before the Patent Office of the Republic of Poland and the Office of the European Union for Intellectual Property in Alicante.
  • He speaks English.
Piotr Staroń

Piotr Staroń

  • Legal adviser specializing in business disputes. His experience includes domestic and international disputes including, among others, agreements on the protection and promotion of investments, construction disputes, including FIDIC, real estate law disputes, banking law, company law, telecommunications law, competition protection, and disputes regarding M&A transactions in the field of bankruptcy and restructuring.
  • He has experience in matters related to medical malpractice, protection of personal rights, liability for administrative decisions, liability for public administration activities, claims in the field of planning and spatial development, road and airport investments, expropriation of real estate.
  • Represents clients in proceedings before UKE, UOKiK and KNF.
  • He also represents clients in administrative proceedings, before administrative courts and the Supreme Administrative Court, in particular in matters relating to building permits, development conditions, protection of monuments, occupancy permits and restitution claims.
  • He also has experience as an arbitrator of the Arbitration Court of the Polish Chamber of Commerce.
  • Author of numerous publications, co-author of a numer of commentaries, including Commentary on Labour Code, Commentary on the Act on Business Information Disclosure.
  • He speaks English. He translated from English and published a book by Iain Morley entitled “Devil’s advocate. A short treatise on how to be really good in court”.
Joanna Uchańska

dr Joanna Uchańska

  • Attorney at law and doctor of legal sciences – PhD thesis entitled: “Patent for the biotechnological invention and its quality in comparative law analysis”.
  • Lawyer with many years of experience in the IP industry and in the field of human rights and humanitarian law. She advises individual clients as well as business entities.
  • In particular, she deals with industrial property law, civil law and the protection of personal rights, as well as legal aspects of life science, primarily in the biotechnology, pharmaceutical, medical, food and beauty industries.
  • She is a member of industry organizations, including the National Council of Supplements and Nutrients. Lecturer at the Jagiellonian University. For many years, she is a lecturer in post-graduate studies in penal and economic criminal law, and medical law at the Faculty of Law and Administration at the Jagiellonian University.
  • She is an author of several dozen scientific and industry publications on intellectual property (patent law) law, civil law and medical, pharmaceutical and food law, including co-author of the second edition of “Patent Law” by M. du Vall, edited by E. Traple.
  • She is a speaker at numerous conferences, trainings and workshops in Poland and abroad (in Europe and the Far East).
  • She participates in legislative works as part of public consultations, including concerning industrial property rights, patent law and the law of combating unfair competition. She is a co-founder of an international project dealing with the patentability of inventions and creation of a unique patentability test method.

Our specialties

Personal data administration


Corporate and Transactions


Real estates and construction law


Restructuring and bankruptcy law


Public procurement


Transportation law


Employment legislation


Trial and arbitration


Energy law and environmental protection


Pharmaceutical, medical and food law


Competition law


Weapons industry and air law


Sport law


Telecomunicaton law


Press law


Intellectual property: new technology and information security