Jacek Cieśliński focuses on supporting technology companies in areas such as data protection, know-how, intellectual property (IP), IT law, e-commerce, and artificial intelligence law (AI law).

He has experience in providing ongoing legal advice to one of the leading e-commerce businesses in Poland, covering the use of advanced marketing tools, including behavioral advertising and remarketing, in collaboration with major advertising networks.

Jacek Cieśliński has conducted data aggregation processes within capital groups and supported the launch of mobile applications, including adapting loyalty programs to GDPR requirements.

He participated in the development of a system enabling automated acquisition of copyright for User Generated Content (UGC) for a company listed on the Warsaw Stock Exchange. He has also provided comprehensive legal support for VR projects and advised on consumer relations for a leading premium home appliance provider.

Jacek Cieśliński advises Poland’s largest public cloud provider as well as companies in the game development sector. He is a speaker at industry conferences and a trainer, delivering courses on topics such as risk analysis in the IT sector.

Industries Served

Jacek Cieśliński supports clients from sectors including IT, software houses, cloud computing, game development, e-commerce, retail, marketing, telecommunications, insurance, banking and finance, and real estate.

Professionalism and Availability

Jacek Cieśliński also offers legal advice in English, enabling effective collaboration with international clients.