SCIENTIFIC WORKS

PUBLICATIONS

Concurrences – Bulletin – KOMPA / HAPPY DOG

The Hellenic Competition Authority fines 2 pet food wholesalers €387K and €95K for resale price maintenance (KOMPA / HAPPY DOG)

2026

CHRISTODOULOU VASILEIOS

Concurrences – Bulletin – Amvrosia / 3P Salads

The Hellenic Competition Authority clears a food group’s acquisition of sole control over a cold sauces and savoury spreads producer (Amvrosia / 3P Salads)

2026

CHRISTODOULOU VASILEIOS

Concurrences – Bulletin – ANEDIK Kritikos / Cretan Retail Management

The Hellenic Competition Authority clears a late-notified supermarket acquisition and confirms that the repeal of the 30-day merger notification deadline is not retroactive (ANEDIK Kritikos / Cretan Retail Management)

2026

CHRISTODOULOU VASILEIOS

Concurrences – Bulletin – Masoutis / Kontzoglou

The Hellenic Competition Authority clears at Phase 1 a supermarket goods and logistics acquisition, applying the priority rule to 2 parallel notifications (Masoutis / Kontzoglou)

2026

CHRISTODOULOU VASILEIOS

Concurrences – Bulletin – Masoutis / Kritikos

The Hellenic Competition Authority clears a supermarket merger subject to store divestments and the termination of franchise agreements (Masoutis / Kritikos)

2026

CHRISTODOULOU VASILEIOS

Concurrences – Bulletin – Osmosis / Rainbow Waters

The Hellenic Competition Authority clears at Phase 1 an acquisition in the water supply solutions sector, finding no coordinated or non-coordinated vertical effects (Osmosis / Rainbow Waters)

2026

CHRISTODOULOU VASILEIOS

Concurrences – Bulletin – Private Hire Vehicles

The Hellenic Competition Authority issues an Opinion finding that minimum hiring duration, return-to-base and fare/entry requirements for private hire vehicles restrict competition without serving the public interest

2026

CHRISTODOULOU VASILEIOS

Concurrences – Bulletin – VF Hellas

The Hellenic Competition Authority fines a school supplies and branded clothing distributor €954K for restricting its retailers’ use of price comparison sites and search engine advertising (VF Hellas)

2026

CHRISTODOULOU VASILEIOS

LAW & BUSINESS 2026

2026

YANNIKAS CLEOMENIS, CONSTANTINIDIS VASSILIS, PAPADAKIS JOHN, LEPIDA NIKOLAIA-ANNA, SERGAKI CLAIRE, NTIONIA ANNA

Legal 500 Country Comparative Guides 2026

Greece Tax, A practical overview of the laws and regulations in Greece

2026

DRYLLERAKIS JOHN C., PAPADAKIS JOHN

GAR INVESTMENT TREATY ARBITRATION

Chapter Greece

2026

DRYLLERAKIS JOHN C., SERGAKI CLAIRE, PLAKOULAS VASILEIOS

Chambers International Arbitration 2026 Global Practice Guide

Greece Chapter: Law and Practice & Trends and Developments

2026

DRYLLERAKIS JOHN C., SERGAKI CLAIRE, PLAKOULAS VASILEIOS

CONFERENCES

“11th Tax Forum: Towards a modern business tax environment - Prospects 2025-27," organized by the Hellenic-French Chamber of Commerce and Industry, (Athens, April 3, 2025).

Nikolaia Anna Lepida participated as speaker within the panel “Tax Incentives – Business Transformations.” John Papadakis participated as speaker within the panel “Tax evasion at the center of administrative justice – Current case developments.”

“Arbitration and Small Claims Disputes", organized by the EODID Athens Mediation and Arbitration Organization in collaboration with Calavros Law Firm - Filios – Kloukinas-Arbitration, (Athens, April 2, 2025).

Claire Segaki participated as speaker on how a transparent dispute-resolution process guarantees cost and time efficiency for all involved.

2nd Invest in Greece Conference, organized by Nomiki Vivliothiki, (Athens, March 20, 2025).

Anna Ntionia participated as moderator of the ENVIRONMENT & ENERGY panel.

ICC YAAF: Arbitration Quiz with the Industry, organized by ICC YAAF, (Athens, February 7, 2025).

Claire Sergaki participated as Quiz Master in Round 1.

Constitutional Amendments in the field of Justice, organized by diaNEOsis. (Athens, February 19, 2025).

John C.Dryllerakis participated in a panel and subsequent roundtable discussion on potential Constitutional Amendments in the field of justice.

Rules of Legal Ethics: The essential compass for properly exercising the legal profession - Past, present, future, organized by the Athens Bar Association. (Athens, February 13, 2025).

John C.Dryllerakis participated as a speaker on matters of the Code of Ethics governing legal practice.

3rd In-House Lawyers Forum, organized by Cleon Conferences & Communication with the support of Association of Certified Fraud Examiners (ACFE) and under the auspices of Rythmisis (National Institute of Artificial Intelligence, Personal Data and Digital Governance Law) and Homo Digitalis (NGO for the protection of digital rights). (Athens, January 29, 2025).

John C.Dryllerakis participated in a panel discussion around challenges facing in-house counsels in today’s complex and ever-changing legal environment.

4th Energy Law Forum, organized by CLEON Conferences & Communications under the auspices of the Hellenic Wind Energy Association and the Hellenic Association of Energy Suppliers. (Athens, November 27, 2024).

Anna Ntionia participated as speaker on “Waste management in solar farms.”

5th Athens International Arbitration Forum, organized by Sakkoulas Publications, the Hellenic Association for Arbitration, and the quarterly legal journal "diaitisia." (Athens, November 21, 2024).

Claire Sergaki participated in the “Arbitration and sanctions” panel.

20th Tax Forum, organized by the American - Hellenic Chamber of Commerce (Athens, October 31, 2024).

John Papadakis participated as speaker on “Connecting Experts and Shaping Reforms.”

SEMINARS

“The Société Anonyme: Practical application – Legislative and jurisprudential developments” (Athens, April 3, 2025).

Seminar organized by Nomiki Vivliothiki in cooperation with Dryllerakis Law Firm.
Instructors: Emmanuel Dryllerakis and Cleomenis Yannikas.

“Tax Avoidance Double Treaties: Critical assessment and future challenges in the post-BEPS era” (Athens, April 22, 2024).

Seminar organized by Nomiki Vivliothiki in cooperation with Dryllerakis & Associates.
Instructor: John Papadakis.

“The Société Anonyme: Practical application – Legislative and jurisprudential developments” (Athens, April 18, 2024).

Seminar organized by Nomiki Vivliothiki in cooperation with Dryllerakis & Associates.
Instructors: Emmanuel Dryllerakis and Cleomenis Yannikas.

“Legal Tutorial for the State Legal Council exams 2024” (Αthens, 3 sessions: April, 5, March 15 and March 29, 2024).

Seminar organized by Nomiki Vivliothiki in cooperation with Dryllerakis & Associates.
Instructor: John Papadakis.

“Energy taxation in practice” (Athens, February 12, 2024).

Seminar organized by Nomiki Vivliothiki in cooperation with Dryllerakis & Associates.
Instructor: John Papadakis.

Seminar organized by Nomiki Vivliothiki, in cooperation with Dryllerakis & Associates.
Introductory remarks: John Dryllerakis. Instructors: Emmanuel Dryllerakis and Cleomenis Yannikas

“The New Competition Law” (Athens, April 4, 2022).

Seminar organized by Nomiki Vivliothiki in cooperation with Dryllerakis & Associates.
Instructors: John C. Dryllerakis, Emmanuel Dryllerakis, and Cleomenis Yannikas

Anti-trust seminar for an ASE-listed client (Athens, Mar-Apr, 2021, 2 sessions).

Instructor: Cleomenis Yannikas

“The Société Anonyme after Law 4548/2018" (Athens, Jan-Oct 2020, 2 sessions).

Webinars organized by Nomiki Vivliothiki, in cooperation with Dryllerakis & Associates.
Introductory remarks: John Dryllerakis. Instructors: Emmanuel Dryllerakis and Cleomenis Yannikas

“The Société Anonyme after Law 4548/2018" Seminar for an ASE-listed banking institution (Athens, November 7, 2019).

Seminar organized by Nomiki Vivliothiki, in cooperation with Dryllerakis & Associates.
Introductory remarks: John Dryllerakis. Instructors: Emmanuel Dryllerakis and Cleomenis Yannikas

NEWS & INSIGHTS

19/10/2026

Alternative Dispute Resolution Code and other provisions

02/10/2026

We advised TIMA Charitable Foundation on the donation agreement for the National Model Center for Dementia and Related Disorders

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