
Regularly handling high-value disputes concerning the entire spectrum of procurement, corporate and IP matters, Koutalidis Law Firm has vast cross-sector expertise, including across the pharmaceutical, energy and aviation sectors. The team is highly experienced in multi-jurisdictional ICC arbitration and the Athens Court of Appeals proceedings. Athens-based practice head Gregory Logothetis is noted as an ‘excellent lawyer and litigator’; Ioannis Kaptanis has extensive knowledge of complex commercial disputes; Nikitas Fortsakis oversees data protection cases; George Naskaris is highlighted for his tax expertise; and Evans Courakis concentrates on construction contract issues. Manolis Kasotakis is also noted as a key contact.
Testimonials
Collated independently by Legal 500 research team.
‘The team is excellent, works efficiently and has deep knowledge of Greek law.’
'Gregory Logothetis has a vast knowledge and experience in the arbitration sector, he is very thoughtful and has excellent interpersonal skills, while combining reliability with prompt responsiveness. Mr. Logothetis is dedicated to the legal science and to the needs of his clients, which he serves tirelessly over the last years. I would characterize him as a "constant value". Emmanouil Kassotakis has a wide experience in litigation and commercial arbitrations, including arbitrations in the construction sector.’
'They have handled for us many litigation cases related to public procurement and civil law. The overall co-operation is always successful. The services provided are prompt and of high quality. At the same time, they have deep knowledge and unique expertise on litigation/arbitration. Overall, a strong devoted team of professionals who really care about client’s needs.’
‘Grigoris Logothetis is an excellent lawyer and litigator! He has substantial experience on litigation/arbitration, he can handle successfully dispute resolution on many law sectors, among others on civil and public procurement law issues. He is hard working, very professional, timely in his responses, exceptionally helpful and reliable! Despoina Koutsou has valuable experience with public tenders, deep knowledge of public procurement law, she is timely in her responses, very helpful and professional!’
‘What sets this dispute resolution team apart is their strategic, client-centered approach, combining deep legal expertise with an acute understanding of the industries they serve. Its lawyers are known for their meticulous preparation, strong advocacy skills, and a pragmatic problem-solving mindset, which can make a significant difference in high-stakes or cross-border disputes. The firm’s proficiency in both domestic and international law, along with their multilingual capabilities, allows them to handle disputes in various jurisdictions seamlessly. Potential clients will value the team's strong litigation track record, which is bolstered by its multidisciplinary expertise and a collaborative approach across the firm's departments.’
‘The individuals I work with at this firm exhibit exceptional dedication, expertise, and a genuine commitment to their clients. Each team member brings something unique, making the team both well-rounded and highly effective in complex dispute resolution cases. Gregory Logothetis stands out for his unwavering dedication to both his work and clients. His hands-on approach is coupled with a genuine commitment to achieving the best outcomes. His ability to balance high-level leadership with personalized attention to each case exemplifies his devotion to the success of the team and the people he serves. Athina Xinopoulou brings a unique blend of practical legal expertise and academic insight to the team. As a professor of civil law, her deep theoretical knowledge complements her practical skills, making her a key asset in the most intricate legal matters. Her dual role as a professor and practitioner ensures that she remains at the forefront of legal developments.’
Key clients
- Airbus SE
- RWE
- Fraport Greece
- Rheinmetall Defence Electronics GmbH
- Aegean Motorway S.A.
- Athens Concert Hall
- Hellenic Republic Asset Development Fund S.A. (HRADF)
- Helleniq Energy Group
- Wetterbest S.A.
- ANEK S.A.
- Rigensis Capital AS
- Vodafone
- Hellenic Financial Stability Fund (HFSF)
- Genesis Pharma
- McArthurGlen Group
- Netcompany – Intrasoft S.A.
- SPIE GmbH
- John Vardinoyannis
- ELTA S.A. (Hellenic Post)
- New Alimos Marina Concession Single Member S.A.
- Proteus Equity Holdings Ltd
- Matrix Pack UK Ltd
- Prime Equity S.A. Ltd
- SEA STAR CAPITAL PLC
- Aegean Art
- Home Concept
- Avgouleas Linardatos S.A.
- Nautical Club of Vouliagmeni
- Energean Italy SPA
- Helpe Patraikos S.A.
Work highlights
- Representing Aegean Motorway, concessionaire of the Maliakos-Kleidi toll road, in arbitration proceedings against the Greek State connected with a rockfall event in the Tempi Valley.
- Handling an ICC arbitration between an airport concessionaire and the Greek State concerning the lack of proper maintenance of the airports by the Greek State between the submission of the offers and the delivery of the airports to the concessionaire.
- Representing the Hellenic Financial Stability Fund (HFSF) in the defence against an appeal filed by 38 natural persons claiming compensation based on the devaluation of the warrants granted to them in the context of capital increases of the National Bank of Greece.
Lawyers

Practice head
The lawyer(s) leading their teams.
Gregory Logothetis