Demonstrating vast experience in multi-jurisdictional Greek Supreme Court proceedings and ICC arbitrations, the ‘hardworking, knowledgeable and ethical’ team at Lambadarios Law Firm has a strong track record in the TMT, financial services and manufacturing sectors. The firm is highly regarded for handling civil and criminal claims, and Athens-based team leader Constantinos Lambadarios is an expert in M&A and real estate issues. Sotiris Dempegiotis specialises in commercially sensitive disputes; George Panopoulos is a skilled litigator; and Chara Daouti primarily concentrates on TMT and IP matters. Harry Karampelis focuses on the life sciences and distribution industries. Ioannis Filiotis is another key contact in the team.
Testimonials
Collated independently by Legal 500 research team.
‘Their professionalism and their knowledge are at the highest end of the spectrum. They are very experienced with dealing with international clients. I would recommend all legal staff with whom I have worked with from the Lambadarios Law Firm.’
'John Filiotis and George Panopoulos are both characterized by unique specialization and hardworking spirit, providing us with state-of-the art legal services.’
‘The individuals of Lambadarios Law Firm in Dispute Resolution are distinguished by their exceptional expertise, collaborative spirit, and commitment to excellence. Here are some key qualities that make them stand out. The team members possess deep knowledge and expertise in dispute resolution. They are well-versed in both local and international legal frameworks, which allows them to provide comprehensive and accurate legal advice. The team is known for its strong collaborative spirit. Additionally, the team places a high emphasis on understanding the unique needs of each client. This client-centric approach ensures that the advice and solutions provided are not only legally sound but also practical and aligned with the client's business goals.'
- 'George Panopoulos and Sotiris Dempegiotis are very experienced, play a pivotal role in handling complex legal matters and their dedication have been invaluable to the success.’
‘Lambadarios Law Firm’s Arbitration & Dispute Resolution team stands out due to its exceptional blend of deep legal expertise, strategic thinking, and client-centric approach. Potential clients should know that (i) the team comprises highly skilled professionals with extensive experience across various sectors; (ii) they are adept at devising innovative strategies that align with clients’ business objectives, and (iii) they prioritize clear communication, and they genuinely care for their clients' needs. I appreciate the team’s investment in building a diverse team, bringing a wide range of perspectives to the table, and fostering a collaborative environment, both internally and with clients. In summary, potential clients can trust that they will receive top-tier service tailored to their unique needs.’
‘We have consistently been impressed by the exceptional qualities of three partners in their Arbitration & Dispute Resolution team. George Panopoulos stands out for his strategic approach and innovative thinking. His ability to think outside the box, combined with his calm demeanor, has been instrumental in navigating complex legal challenges. Sotiris Dempegiotis is remarkable for his expertise in international arbitration, diligence, and meticulous attention to detail. His client-centric mindset ensures that clients’ needs are always prioritized. Charalampos Karampelis brings deep expertise in litigation practice. His fighting spirit and determination in the courtroom are commendable. The combination of their individual qualities, coupled with a great sense of humor, not only drives success but also makes working with them a true pleasure.’
‘The Lambadarios dispute resolution team has great depth and dynamism. They have the confidence of major market players and have been leading an impressive set of mandates.’
‘George Panopoulos and Sotiris Dempegiotis are unfailingly collegial and very knowledgeable in concessions and administrative contracts, as well as international arbitration. Remarkable lawyers and wonderful people.’
Key clients
- Google LLC
- Cardlink S.A. (Worldline)
- MIELE Hellas S.A.
- ELGi Compressors Europe SARL
- Meeting Point Hotels Management Hellas S.A.
- Hellenic Public Properties Co.
- Fraport Greece
- HELLENiQ ENERGY
- INTRAKAT
- OPAP S.A.
- Engie Energy Services International
- GEK TERNA
- PQH Single Special Liquidation S.A.
- Hellenic Republic Asset Development Fund (HRADF)
- CANA S.A.
- Agrofresh Holding France S.A.S
- Lapin House
- Goodyear Hellas S.A.
- LIME Transportation Technology LLC
- Xiamen Yealink Network Technology Co. Ltd
Work highlights
- Defended Google in eight cases brought by the Greek Data Protection Authority for its refusal to remove content from web search.
- Acting for Hellenic Public Properties Co. (HPPC) before the Greek Supreme Court in proceedings for the reversal of decisions by the Court of Appeal withholding certain arbitral awards.
- Acting for Hellenic Republic Asset Development Fund (HRADF) in an ICC arbitration stemming from the €1bn concession agreement signed by the Greek State regarding the concession of 14 regional airports.
Lawyers


Practice head
The lawyer(s) leading their teams.
Constantinos Lambadarios