Practice Areas
Competition & Antitrust
‘This practice stands out for its deep expertise in EU commercial law, combined with a client-centric approach that prioritizes tailored solutions. The team's strengths lie in their responsiveness, commercial acumen, and ability to handle complex, high-stakes matters efficiently.’
The Legal 500, 2025
KG Law Firm is one of Greece’s top competition law practices, having experience and expertise in the full range of EU and Greek competition law issues, such as:
- Cartels;
- Anti-competitive vertical conduct;
- Abuse of market power;
- Merger clearances;
- Joint ventures;
- State aid and public procurement matters and privatization schemes;
- Competition litigation;
- Competition authority market investigations and sectoral enquiries;
- Distribution and agency agreements;
- Consumer protection issues, including misleading and deceptive conduct;
- Devising and managing competition law compliance programs and training.
Our practice expertise has developed over the decades having advised market leaders in key industry sectors, including electricity, petrochemicals, telecommunications, manufacturing and distribution, food and beverages, consumer goods, steel, construction, electronics, retail, automobile, pharmaceutical, media and tobacco.
Featured
KG Law Firm is recognised in the 2026 GCR Rankings
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | December 3, 2025
9th International Conference on Competition Law & Policy | Nomiki Bibliothiki
BY Anastasia Dritsa | December 1, 2025
KG at the 9th International Competition Law & Policy Conference: Antitrust Scrutiny on Minority Shareholdings
BY Anastasia Dritsa | November 25, 2025
Greece FDI Screening Update – Issuance of Ministerial Decision No. 64260/2025 – Official activation of the filing procedure
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou, Georgia Asimakou, Ioanna Markati | November 12, 2025
OUT NOW! THE GREEK EDITION OF VERTICAL AGREEMENTS IN EU COMPETITION LAW
BY Anastasia Dritsa, Vasiliki (Vicky) Kriketou, Konstantinos Sidiropoulos | October 23, 2025
Client Alert: Initial Guidance Released on the Greek Foreign Direct Investment (FDI) Regime
BY Anastasia Dritsa, Konstantinos Sidiropoulos, Ioanna Markati | August 29, 2025
KG at the 2nd International Conference on Dialogues in Competition Law & Economics
BY Konstantinos Sidiropoulos | August 27, 2025
Τhe HCC’s Regulatory Intervention in the Greek Construction Sector
BY Anastasia Dritsa, Ioanna Markati | June 26, 2025
C‑581/23 (Beevers Kaas): The CJEU Clarifies Requirements for Active Sales Bans in Exclusive Distribution Agreements under the Vertical Block Exemption Regulation (VBER)
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou, Ifigeneia Argyri | June 26, 2025
Chambers Global Practice Guide – Cartels 2025
BY Dr. Victoria Mertikopoulou, Ifigeneia Argyri | June 13, 2025
2025 IDI Annual Conference in Turin
BY Anastasia Dritsa | June 12, 2025
KG at the IDI Conference in Torino 2025: Anastasia Dritsa to Join Panel on Trademark Use in Online Advertising
BY Anastasia Dritsa | May 27, 2025
Partner Anastasia Dritsa on Strategic Risk-Taking in Business Partners Magazine
BY Anastasia Dritsa | May 12, 2025
Market Control and Profit Margin Cap Measures in Basic Goods – Latest Update
BY Dr. Victoria Mertikopoulou, Anna-Maria Kamara, Io Ligeraki | May 2, 2025
KG Law Firm at the ABA Antitrust Spring Meeting 2025
BY Anastasia Dritsa | April 29, 2025
Price Comparison Tool Bans (Greece)
BY Anastasia Dritsa | April 29, 2025
KG Law Firm Contributes to Chambers Europe 2025: Competition/European Law – Greece
BY Anastasia Dritsa, Konstantinos Sidiropoulos, Vasiliki Labrinoudi | April 8, 2025
Draft Law implementing FDI Regulation (EU) 2019/452 in Greece – Forthcoming implications on M&A transactions and Greenfield Investments
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou, Konstantinos Sidiropoulos, Ifigeneia Argyri | April 4, 2025
Legal 500 GC Summit 2025
BY Dr. Victoria Mertikopoulou | March 14, 2025
8th International Competition Law & Policy Conference
BY Dr. Victoria Mertikopoulou | January 23, 2025
GCR 100 2025
December 18, 2024
Partner and Head of our Competition & Antitrust practice Anastasia Dritsa featured in The Legal 500 Partner Perspectives series.
BY Anastasia Dritsa | November 13, 2024
8th International Competition Law & Policy Conference
BY Dr. Victoria Mertikopoulou | October 7, 2024
Restrictive Trade Practices of Leading Businesses: EU Guidelines
BY Anastasia Dritsa | October 3, 2024
The Court of Justice in Illumina/Grail: back to legal certainty and institutional predictability in merger review
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou, Konstantinos Sidiropoulos | September 9, 2024
KG Law Firm is proud to be the exclusive contributing firm for Greece to Chambers’ Global Practice Guide on Cartels 2024 on Trends & Developments.
BY Dr. Victoria Mertikopoulou, Ifigeneia Argyri | June 21, 2024
Our firm’s Competition & Antitrust team, attended the DLC – Distribution Law Center annual meet-up held on 6 and 7 June in Brussels.
BY Anastasia Dritsa, Konstantinos Sidiropoulos, Ifigeneia Argyri | June 14, 2024
Bringing the DSA Home: A closer look at Law 5099/2024 on the adoption of measures for the implementation of the Digital Services Act
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou, Anna-Maria Kamara | May 14, 2024
KG Law Firm has been recognized in the 2023 Deal of the Year in Greece
BY Konstantinos Vouterakos, Anastasia Dritsa, Constantinos Kavadellas, Vasileios P. Douzenis | May 1, 2024
KG Law Firm is proud to be the exclusive contributing firm for Greece to Chambers’ Competition/European Law.
BY Anastasia Dritsa, Konstantinos Sidiropoulos | April 5, 2024
The Revised Market Definition Notice: Reconciling Predictability and Flexibility
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou, Konstantinos Sidiropoulos, Ifigeneia Argyri, Anna-Maria Kamara | February 27, 2024
KG supported Grimaldi Group in the second successful privatization project for major regional ports
BY Konstantinos Vouterakos, Anastasia Dritsa, Constantinos Kavadellas, Vasileios P. Douzenis | January 22, 2024
KG is ranked by GCR 100 2024
January 17, 2024
Competition Rules in the Agricultural Sector: EU’s Antitrust Exemption Guidelines &HCC’s Competition Guide for Agriculture
BY Anastasia Dritsa, Konstantinos Sidiropoulos, Vasiliki Labrinoudi | January 8, 2024
EIU Country Commerce Guide
BY Anastasia Dritsa | November 30, 2023
Soaring prices of consumer products under Regulatory Scrutiny
BY Anastasia Dritsa, Konstantinos Sidiropoulos | November 16, 2023
EU Foreign Subsidies Regulation: Implications for M&A Transactions
BY Anastasia Dritsa, Konstantinos Sidiropoulos | November 6, 2023
Contribution to the Greek Chapter of The Legal 500 (Legalease) Cartels Country Comparative Guide
BY Dr. Victoria Mertikopoulou, Ifigeneia Argyri | November 1, 2023
Information exchange between competitors under the new EU Horizontal Guidelines
BY Anastasia Dritsa, Konstantinos Sidiropoulos | October 27, 2023
7th International Conference Competition Law & Policy
BY Anastasia Dritsa | October 6, 2023
Virtual VBER event titled ‘Everything you need to know about 1 year VBE
BY Dr. Victoria Mertikopoulou | September 25, 2023
Proud contributors to the Greek Chapter of The Chambers Cartels 2023 (T&D)
BY Dr. Victoria Mertikopoulou, Ifigeneia Argyri | July 13, 2023
The New Code of Conduct for sales promotions and the communication of price reductions
BY Dr. Victoria Mertikopoulou, Ifigeneia Argyri | June 27, 2023
New EC Merger Simplification Package: Less burden, more efficiency?
BY Anastasia Dritsa | June 12, 2023
Publication of HCC Guidelines on the implementation of article 1A of law 3959/2011
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | February 9, 2023
6th International Competition Law Conference | after event
BY Anastasia Dritsa | November 10, 2022
6th International Competition Law Conference
November 1, 2022
Virtual VBER event on Dual Distribution Strategies: The VBER explained
BY Anastasia Dritsa | October 3, 2022
“New Sheriffs in Town” for digital space in the EU market: The Digital Market Act and the Digital Services Act are here
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou, Ifigeneia Argyri | August 4, 2022
Proud contributors to the Greek Chapter of The Chambers Cartels 2022 (T&D)
BY Dr. Victoria Mertikopoulou, Ifigeneia Argyri | July 7, 2022
The new Vertical Block Exemption Regulation (VBER) entered into force on 1st June 2022. Is your business ready for the change?
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | June 16, 2022
Wrap-up countdown | DLC
June 1, 2022
Distribution Law Center 22 Countdown
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | May 31, 2022
Distribution Law Center 21 Countdown
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | May 30, 2022
Distribution Law Center 20 Countdown
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | May 30, 2022
Distribution Law Center 17 Countdown
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | May 8, 2022
KG advised Siemens Energy SA on the corporate restructuring of the “Greek Energy Business”
BY Elisabeth Eleftheriades, Kimon Tsakiris, Angelos Charalampidis, Panagiotis Pothos, Ioanna Barmpa, Constantinos Kavadellas, Anastasia Dritsa | April 15, 2022
Distribution Law Center 15 Countdown
April 6, 2022
Distribution Law Center Countdown XII – Active sales restrictions (Exclusivity condition)
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | March 11, 2022
2nd Public Tele-Consultation
BY Anastasia Dritsa | February 11, 2022
Proud contributors to the Greek Chapter of The Legal 500 (Legalease): Cartels Country Comparative Guide
February 9, 2022
DLC – Countdown 8
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | February 8, 2022
2nd Public Tele-Consultation on the e-Commerce Sectoral Inquiry
BY Anastasia Dritsa | February 7, 2022
The new Law 4886/2022 ‘on the Modernisation of Competition Law for the Digital Era’, substantially amends the Greek Competition Act (Law 3959/2011)
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou, Ifigeneia Argyri | January 31, 2022
DLC – countdown no 5 – dual role agency
January 18, 2022
“Vertical” In The Spotlight: Agency (“Dual Role” Agents)
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | January 18, 2022
DLC Countdown 4
January 12, 2022
HCC’s Interim Report of the sector inquiry into FinTech
BY Dr. Victoria Mertikopoulou, Ifigeneia Argyri | January 12, 2022
European Competition Rules Relating To Distribution, Agency And Supply Agreements About To Change Commencement Of Dlc Countdown Newsletters
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | December 9, 2021
KG advised DESFA in securing a European Commission unconditional Phase I clearance for the acquisition of a jointly controlling shareholding in Gastrade
BY Anastasia Dritsa, Gus J. Papamichalopoulos, Konstantinos Varelas | December 1, 2021
DLC – The Distribution Law Center is live!
October 4, 2021
KG Law Firm contributed to the ICLG edition on AI, Machine Learning & Big Data 2021
BY Dr. Victoria Mertikopoulou | May 24, 2021
Proud contributors to the Greek Chapter of The Legal 500 (Legalease): Cartels Country Comparative Guide
BY Dr. Victoria Mertikopoulou, Ifigeneia Argyri | May 5, 2021
The EU’s Digital Services Act package: Modelling Europe’s Digital Future
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou, Ifigeneia Argyri | February 17, 2021
Law 4753/2020: Provisions for Online Intermediation Services
BY Anastasia Dritsa | December 22, 2020
HCC’s Digital Conference on Sustainable Development and Competition Law
BY Anastasia Dritsa | October 19, 2020
Application of the EU P2B Regulation
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | August 21, 2020
Digital Services Act and New Competition Tool Consultations of the European Commission
BY Dr. Victoria Mertikopoulou | June 12, 2020
Proud contributors to The Legal 500 (Legalease): Cartels Country Comparative Guide
BY Dr. Victoria Mertikopoulou | May 15, 2020
HCC launches an e-Commerce sector inquiry & a public consultation for stakeholders
BY Anastasia Dritsa | April 2, 2020
Covid-19 and EU State Aid
BY Anastasia Dritsa | March 24, 2020
Covid-19 and the Market: The HCC urges market players to comply with competition rules
BY Anastasia Dritsa | March 19, 2020
Hospitality & Leisure – eCommerce
BY Anastasia Dritsa | March 18, 2020
HCC RunDown 2019
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | February 12, 2020
Directive 2019/2161 on better enforcement and modernization of Union consumer protection rules
January 23, 2020
Competition: HCC’s New Prioritization System
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | November 8, 2019
State Aid: European Commission Approves €300 Million Public Co-Finance for the Greek Ultrafast Broadband Scheme
BY Anastasia Dritsa, Dr. Victoria Mertikopoulou | September 19, 2019
Limitation Periods for the Hellenic Competition Commission
BY Anastasia Dritsa | June 20, 2019
3rd Annual Competition Law Conference
May 14, 2019
KG Law Firm sponsors the 3rd Competition Law Conference organized by Nomiki Bibliothiki
BY Anastasia Dritsa | April 22, 2019
COTY SAS | Luxury Brands
BY Anastasia Dritsa, Panagiotis Pothos | November 29, 2018
J&P AVAX S.A.
BY Anastasia Dritsa | October 29, 2018
The Estee Lauder Companies, Inc.
BY Anastasia Dritsa | September 29, 2018
Cooperation with the Hellenic Federation of Enterprises (ΣΕΒ – SEV)
BY Anastasia Dritsa, Panagiotis Pothos | July 25, 2018
Guidelines for Competition Law Compliance: 23 Questions and Answers to Regular Business Issues
BY Anastasia Dritsa | July 23, 2018
European Distribution Law Day
BY Anastasia Dritsa | May 10, 2018
Actions for Damages from Antitrust Infringements
BY Anastasia Dritsa, John Kyriakides | March 28, 2018
Antitrust Briefing – HCC 2017 Rundown
BY Anastasia Dritsa | February 27, 2018
Coty Germany v Akzente: Reconciling Competition Law with ‘E-luxury’
BY Anastasia Dritsa | December 11, 2017
British American Tobacco
BY Anastasia Dritsa | November 29, 2017
Acquisition of MINOAN LINES stake in Hellenic Seaways by ATTICA HOLDINGS S.A.
BY Konstantinos Vouterakos, Anastasia Dritsa | November 15, 2017
GCR Know How – State Aid 2017
BY Anastasia Dritsa | June 14, 2017
Coca Cola Hellenic Bottling Company
BY Anastasia Dritsa | June 6, 2017
E-Commerce Final Report
BY Anastasia Dritsa | May 19, 2017
Cartels & Law Conference
BY Anastasia Dritsa | May 3, 2017
Antitrust Briefing – HCC 2016 Rundown
BY Anastasia Dritsa | March 22, 2017
Internet Sales and Contractual Restrictions of Competition Law – Lessons learnt from the EU e-Commerce Sector Inquiry
BY Anastasia Dritsa | February 23, 2017
Business & Competition in Greece in the Context of the Digital Single Market
BY Anastasia Dritsa | February 21, 2017
The Economist – Intelligence Unit 2016
December 28, 2016
The HCC Introduces a Settlement Procedure for Cartel Investigations
BY Anastasia Dritsa | October 20, 2016
9th Annual IMEDIPA Conference on Competition Law and Policy
BY Anastasia Dritsa | February 29, 2016
Antitrust Briefing – HCC 2015 Rundown
BY Anastasia Dritsa | February 3, 2016
GCR Know-How – State Aid 2015 | Greece
BY Anastasia Dritsa | June 26, 2015
Thomson Reuters / European Lawyer Reference Series – Greek Merger Chapter
BY Anastasia Dritsa | March 9, 2014
The EU Commission Authorizes Greece to Prolong Until 2030 (OPAP)
BY John Kyriakides | October 16, 2012
Getting the Deal Through – Pharmaceutical Antitrust 2012
BY Anastasia Dritsa | April 16, 2012
New Greek Leniency Rules Encouraging Cartelists to “Blow the Whistle”
BY Anastasia Dritsa | January 16, 2012
Competition Rules Aligned with EU Law
BY Anastasia Dritsa | October 16, 2011
Greece’s Competition Bar
BY Anastasia Dritsa | July 16, 2011
The New Law 3784/2009 Amends the Greek Competition Act
BY Anastasia Dritsa | October 20, 2010
