Stella Gartagani

  • Counsel
  • London
  • sgartagani@hausfeld.com
  • +44 20 7665 5049
  • https://www.linkedin.com/in/stella-gartagani-37997499/?originalSubdomain=uk
Stella Gartagani

OVERVIEW

Stella is a competition litigation specialist with a focus on competition damages litigation.

Expertise 

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.

Clients

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.

EDUCATION

Qualified Lawyers Transfer Scheme (QLTS), BPP University, London
Postgraduate studies in European and Competition Law, University of Leiden, the Netherlands 
LLB., National Kapodistrian University of Athens, Greece 
Erasmus Programme, University of Groningen, the Netherlands 

BAR ADMISSIONS

Solicitor, England and Wales, 2015
Athens Bar Association, Greece, 2012
 

NEWS

Multi-billion Google Search claim certified by UK Competition Appeal Tribunal

  • Antitrust et Concurrence
  • United Kingdom
  • nov. 25 2024

Legal 500 UK 2025 recognises 28 Hausfeld lawyers across 7 practice areas

  • Antitrust et Concurrence
  • Contentieux Commercial et Financiers
  • Responsabilité du Fait des Produits et de l'Environnement
  • Droits de l'Homme
  • United Kingdom
  • oct. 03 2024

Hausfeld announces 20 promotions globally

  • Antitrust et Concurrence
  • Contentieux Commercial et Financiers
  • Responsabilité du Fait des Produits et de l'Environnement
  • Droits de l'Homme
  • Technologie & Protection des Données à Caractere Personnel
  • United States, France, Germany, United Kingdom, Netherlands, Sweden, Belgium
  • janv. 05 2024

Google faces a £7 billion collective action due to abuse of dominance in search

  • Antitrust et Concurrence
  • United Kingdom
  • sept. 07 2023

CAT rules on certification and carriage in FX Claim UK

  • Antitrust et Concurrence
  • Contentieux Commercial et Financiers
  • United Kingdom
  • mars 31 2022

General Court dismisses Google’s appeal of the Google Shopping Decision

  • Antitrust et Concurrence
  • Technologie & Protection des Données à Caractere Personnel
  • Germany, United Kingdom
  • nov. 10 2021

High Court allows Foundem’s expert access to Google confidential information

  • Antitrust et Concurrence
  • United Kingdom
  • mars 19 2020

The Competition Appeal Tribunal rules out early determination of ‘carriage dispute’

  • Contentieux Commercial et Financiers
  • Antitrust et Concurrence
  • United Kingdom
  • mars 09 2020

Google’s appeal in EU Court watched closely by digital economy

  • Antitrust et Concurrence
  • Technologie & Protection des Données à Caractere Personnel
  • Germany, United Kingdom
  • févr. 13 2020

Hearing in relation to two FX cartel claims in the Competition Appeal Tribunal

  • Antitrust et Concurrence
  • Contentieux Commercial et Financiers
  • United Kingdom
  • févr. 11 2020

Six banks sued for participation in unlawful FX spot trading cartels

  • Antitrust et Concurrence
  • Contentieux Commercial et Financiers
  • United Kingdom
  • déc. 10 2019

Google - AdSense

  • Antitrust et Concurrence
  • Technologie & Protection des Données à Caractere Personnel
  • mars 21 2019

Four Hausfeld clients granted permission to intervene in EC's Google Search (Shopping) decision appeal

  • Antitrust et Concurrence
  • France, Germany, United Kingdom, Netherlands, Belgium
  • janv. 24 2019

Hausfeld announces record number of promotions globally, demonstrating continued firm growth

  • United States, France, Germany, United Kingdom, Netherlands, Sweden, Belgium
  • janv. 14 2019

EVENTS

TL4 Conference - Pass-On In Competition Litigation: Lessons Learnt and Way Forward

  • Antitrust et Concurrence
  • AlixPartners, London

  • 12 mars 2025

PUBLICATIONS

Confidentiality issues in UK competition disputes: guidance from the High Court

  • Antitrust et Concurrence
  • Technologie & Protection des Données à Caractere Personnel
  • United Kingdom
  • mai 20 2020

Autorité de la concurrence - Gibmedia/Google Ads decision

  • Antitrust et Concurrence
  • United Kingdom
  • mars 09 2020

PERSPECTIVES

Disparagement under the microscope: the Vifor and Teva pharma decisions

  • Antitrust et Concurrence
  • United Kingdom
  • févr. 26 2025

AG Kokott recommends upholding the €2.4 billion fine imposed on Google in relation to Google Shopping

  • Antitrust et Concurrence
  • United Kingdom
  • mars 08 2024

All for one and one for all – Tribunal orders single joint expert for Defendants in stand alone cartel damages claim

  • Antitrust et Concurrence
  • United Kingdom
  • nov. 03 2023

A class apart: 2021 – a milestone year for opt-out collective actions

  • Antitrust et Concurrence
  • United Kingdom
  • janv. 04 2022

CAT refuses permission to appeal its second certification judgment in opt-out collective proceedings and deals with other consequential matters

  • Antitrust et Concurrence
  • United Kingdom
  • nov. 08 2021

Unlocking competition in digital markets: report and recommendations from the DMT

  • Antitrust et Concurrence
  • Technologie & Protection des Données à Caractere Personnel
  • United Kingdom
  • janv. 15 2021

United States v Google: a re-found willingness to regulate technology monopolies?

  • Antitrust et Concurrence
  • United Kingdom
  • nov. 09 2020

Commission publishes guidance on confidentiality in damages actions

  • Antitrust et Concurrence
  • United Kingdom
  • août 09 2020

Google Adsense: the EC's 3rd infringement decision against Google

  • Technologie & Protection des Données à Caractere Personnel
  • Germany, United Kingdom
  • avr. 03 2019

WHAT OTHERS SAY

Legal 500 UK

Stella Gartagani has been recognised as a key lawyer for her expertise in Competition litigation by Legal 500, 2025.

Experience

Antitrust/Competition

Stella played a key role in the legal teams representing or advising ground-breaking litigation:

  • Foundem in its claim before the High Court against Google for abuse of its dominant position in respect of its conduct in comparison shopping.
  • Automotive manufacturers in their follow-on damages claims relating to the car glass and other Auto-Part cartels.
  • Claimants in relation to the Paraffin Wax, Methionine and the Feed Phosphates cartels.
  • Deutsche Bahn, together with a number of other European public transport companies in connection with the Carbon Graphite damages claim.

What I think

Disparagement under the microscope: the Vifor and Teva pharma decisions

  • Antitrust et Concurrence
  • United Kingdom
  • févr. 26 2025

AG Kokott recommends upholding the €2.4 billion fine imposed on Google in relation to Google Shopping

  • Antitrust et Concurrence
  • United Kingdom
  • mars 08 2024

All for one and one for all – Tribunal orders single joint expert for Defendants in stand alone cartel damages claim

  • Antitrust et Concurrence
  • United Kingdom
  • nov. 03 2023

A class apart: 2021 – a milestone year for opt-out collective actions

  • Antitrust et Concurrence
  • United Kingdom
  • janv. 04 2022

CAT refuses permission to appeal its second certification judgment in opt-out collective proceedings and deals with other consequential matters

  • Antitrust et Concurrence
  • United Kingdom
  • nov. 08 2021

Unlocking competition in digital markets: report and recommendations from the DMT

  • Antitrust et Concurrence
  • Technologie & Protection des Données à Caractere Personnel
  • United Kingdom
  • janv. 15 2021