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Izabela Biernat - Sadlak
Counsel

Izabela Biernat - Sadlak

Languages
  • Polish
  • English
Social media

Izabela Biernat-Sadlak is an advocate and counsel in the Competition Group at CMS. She specialises in competition law, consumer protection, and commercial matters.

Izabela provides legal advice to businesses in various sectors, particularly those in the consumer products industry. She also has extensive experience in e-commerce.

Her competition law experience includes advising clients on cartel cases, vertical agreements, abuse of dominance, and acts of unfair competition. Izabela supports clients during dawn raids, conducts internal investigations, and offers guidance on compliance matters. She also represents clients before competition authorities and the courts.

A significant part of her practice involves advising clients whose activities are consumer-oriented. She specialises in drafting and reviewing general terms and conditions, as well as in advising on promotional activities and advertising campaigns aimed at consumers. Izabela assists clients in investigations concerning breaches of consumer law and represents them before consumer protection authorities and the courts.

Izabela has considerable expertise in drafting and negotiating commercial contracts, including distribution, supply, and agency agreements. She also advises clients operating in the food and cosmetics industries on regulatory issues, such as packaging and labelling, product safety, and the recall of unsafe products.

Izabela co-heads the Steering Committee of the CMS Global Competition Associates Group, comprising nearly 40 associates from 19 CMS jurisdictions.

Education

  • Advocate, Bar of Advocates, Warsaw.
  • Master’s degree, Kardynał Stefan Wyszyński University, Warsaw.

Further reading

  • The Automotive Industry Report 2017/18

Insights by Izabela

CMS Expert Guide to ecommerce in CEE

04 Feb 2025 3 min read

Poland steps up consumer protection on alcoholic beverages market

10 Oct 2024 3 min read

Polish Supreme Court confirms admissibility of public compensation in consumer cases

01 Jul 2024 3 min read

Poland proposes draft law on general product safety

17 Jun 2024 5 min read
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