Hausfeld (London)

Stella Gartagani

Hausfeld (London)

Stella is a competition litigation specialist with a focus on competition damages litigation. Stella has experience in litigation before the Competition Appeal Tribunal, High Court, Court of Appeal and Supreme Court. She combines her in-depth knowledge of European and English law practice and procedure, with her practical experience in settling damages claims for her clients. Previously, Stella worked as legal assistant to Judge Dimitrios Gratsias at the General Court of the European Union in Luxembourg. She has also worked for a Belgian law firm specialising in finance, corporate and commercial law and prior to that, in Athens focusing on commercial matters. Since joining the firm in October 2011, Stella has acted for claimants in a wide range of sectors and industries as well as SMEs and some household and market leading names.

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Hausfeld (San Francisco)
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Hausfeld (Philadelphia)
Hausfeld (London)
Hausfeld (London)


919 Bulletin

Thomas Höppner, Anna Morfey, Lesley Hannah, Stella Gartagani, Kio Gwilliam, Phillipp Westerhoff, Johannes Wick, Maximilian Volmar, Ami Ndukwe The EU General Court upholds a €2.42B fine imposed on a Big Tech company and dismisses an appeal against the Competition Authority’s decision (Google Shopping)


The General Court has today dismissed Google’s appeal of the European Commission’s Google Shopping Decision from June 2017 and has upheld the EUR 2.42 billion fine imposed on Google – a record fine at the time. The General Court agreed with the European Commission’s finding (in its vast majority) (...)

Anna Stellardi, Anna Morfey, Stella Gartagani, Kio Gwilliam The UK Competition Authority publishes report setting out recommendations which the Government could implement to regulate technology firms in a way that promotes competition in digital markets


In December 2020, the CMA’s Digital Markets Taskforce (DMT) published its report setting out 15 recommendations which the UK Government could implement to regulate technology firms with ‘strategic market status’ (SMS) in a way that promotes competition, innovation and protects consumers and (...)

Claus Wenzler, Kio Gwilliam, Stella Gartagani, Lesley Hannah The UK High Court issues guidance on the balancing of conflicting interest in a case involving the protection of a Big Tech’s confidential and technical information on its search algorithms (Foundem / Google)


Introduction There is an emerging trend in competition damages cases in England for the majority of documents to be disclosed into so-called “confidentiality rings.” These restrictive confidentiality procedures can result, in certain instances, in the parties themselves being precluded from (...)

Lesley Hannah, Stella Gartagani, Claus Wenzler The French Competition Authority rules that a Big Tech firm had abused its dominant position in the national market for search advertising through its auction-based advertising system (Google)


Introduction On 20 December 2019, the French Competition Authority (Autorité de la Concurrence) (the “Authority”) announced its finding that Google had abused its dominant position in the French market for search advertising through the operating rules applied by Google Ads (previously known as (...)

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