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Michał Ziółkowski

Senior Associate
Fax +48.22.653.4250
Michał Ziółkowski is a Senior Associate in the K&L Gates Warsaw office. He is a patent & trademark attorney in the intellectual property practice providing advice to clients on all aspects of patent, trademark, and copyright law as well as related fields. He focuses on trademark and design law of the European Union.

Michał is a representative in registration, opposition and invalidation proceedings before the Polish Patent Office, the Office for Harmonization in the Internal Market (OHIM), as well as in court proceedings regarding industrial property matters. Michał cooperates with various K&L Gates offices and acts on behalf of our international clients interested in trademark protection in the EU region. Michał Ziółkowski’s experience includes intellectual property audits, anti-piracy work based both on copyright and trademark law, patentability analysis, trademark infringement studies, trademark portfolio development. Michał prepares assignment of rights and license agreements, as well as opinions and other agreements related to trademarks, patents, utility models, industrial designs, copyrights, trade secrets and domain names.

Professional Background

Prior to joining K&L Gates, Michał practiced in the Warsaw office of a Washington-based international law firm, focusing on intellectual property law. He also previously worked in the Warsaw office of another international law firm, mainly dealing with IP matters during due diligence processes and IPOs. He gained experience at several other international law firms during his studies.


Minister of Economy Award for the best thesis on the protection of industrial property rights in the fifth edition of a contest organized by the President of the Patent Office of the Republic of Poland.

Professional/Civic Activities

  • Michał Ziółkowski is a member of INTERPOL’s Office of Legal Affairs (OLA) experts’ forum.

Speaking Engagements

  • Trainings for entrepreneurs regarding brand building, development and protection
  • Trainings in industrial property rights protection for customs and law enforcement bodies
  • Representing clients in trademark registration matters, trademark portfolio development, management and protection, including opposition proceedings before the OHIM. Acting on behalf of: (i) a global US firm involved in the rental of industrial equipment; (ii) Italian and US construction chemistry producers; (iii) an Australian manufacturer of plumbing and roofing materials; (iv) a US investment advisory firm; (v) a multinational fashion industry firm; (vi) a US clothing manufacturer; (vii) an Australian beverages producer; (viii) a US medical instruments producer.
  • Representing clients in trademark registration matters before the Polish Patent Office. Acting on behalf of: (i) a Polish entertainment company, (ii) a Polish medical equipment distributor, (iii) a Polish cigarette filler tubes producer, (iv) a Polish beauty clinic, (v) a US clothing manufacturer.
  • Counseling in trademark invalidation proceedings before the Polish Patent Office and Provincial Administrative Court for a renowned French food producer.
  • Representing before the Polish Patent Office a renowned US audio equipment producer in trademark opposition and invalidation proceedings.
  • Representing before the Polish Patent Office a jewelry manufacturer in industrial design invalidation proceedings.
  • Counseling in court trademark disputes for a renowned Italian construction chemistry producer.
  • Counseling for a Polish construction company in patent invalidation proceedings before the Polish Patent Office and administrative courts.
  • Counseling in trademark portfolio development matters and branding issues for international alcoholic beverages producer.
  • Coordinating the IP part of a transaction for a large, multinational bank pertaining to the sale of its affiliated entities in Poland, especially transfer of trademarks and domain names, valuation issues and licensing.
  • Preparing assignment of rights agreements pertaining to trademarks and coordination of transfer of rights processes for a: (i) renowned Polish cosmetics producer, (ii) Polish soft drinks producer, (iii) Polish alcoholic beverages producer.
  • Working on intellectual property issues during the due diligence processes for: (i) a multinational aircraft producer, (ii) energy sector companies, (iii) German digital publishing house.
  • Preparing national and Community applications for Customs actions. 
  • Acting and counseling clients from the entertainment, gaming and clothing industries on anti-piracy matters.
  • Cooperating with Customs and other law enforcement bodies in Poland and Central and Eastern Europe in actions taken against counterfeit goods and assistance in methods of distinguishing fakes from originals.
  • Combating piracy and attending Police and Customs raids.