Tsibanoulis & Partners is predominantly engaged in trademark infringement, anti‑piracy, and prosecution cases, as well as appeals before the First Instance Administrative Court of Athens and the Athens Court of Appeal. The team regularly acts for high‑profile multinational companies across diverse industries, including food and beverages, media, and real estate. Marina Perraki is noted for her ‘clear and succinct advice on trademark law and strategy’, and brings expertise in trademark oppositions, patents, and unfair competition issues. Kalypso Kourtidi frequently supports the team on IP mandates involving portfolio management, while Angeliki Charmpi assists in trademark and copyright litigation.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Marina Perraki is both the soul and the driving force of the team. She is reliable, knowledgeable and obliging, a real pleasure to work with. She always keeps calm and has everything under control even under high pressure.'
- 'Very reliable, cost efficient, and responsive firm. Marina Parraki is a great, very knowledgeable lawyer, and wonderful to work with.'
- 'Marina Perraki is very knowledgable and has always exceeded our and our client's expectations.'
- 'Very dedicated and can work well under pressure with grace.'
- ‘Tsibanoulis & Partners, and in particular Marina Perraki, have acted proactively with both the legal and commercial objectives in mind.'
- ‘Marina Perraki provides clear and succinct advice on trademark law and strategy, including on the peculiarities of proceedings through the GR TMO. Marina is consistently responsive to our questions and instructions, keeps us well informed of our progress, and communicates effectively with adverse parties, helping us achieve great results for our clients.'
Key clients
- The Coca Cola Company Sky Group Starbucks Coffee Company Airbnb Inditex S.A. Apple Inc Expedia Inc Salesforce Inc Tiffany & Co Taco Bell Corp Colgate - Palmolive DPF AG ITV Studios Ltd De Rigo Refrigeration S.R.L. Asian Logic Emphasis Services Ltd At World Properties, LLC INTA Juliette Armand VDA Verband der Automobilindustrie e.V. Viva Payment Services – VIVA GROUP Anheuser – Busch, LLC OPAP S.A.
Work highlights
Representing INTA in an oral hearing before the Luxembourg General Court in cases T-105/23 and T-106/23 concerning the protection of state names as trademarks.
Successfully represented Airbnb in a case against a third party abusing the -BNB portion of the AIRBNB mark, with the appeal before the Athens Administrative First Instance Court upheld with decision Α7903/22-7-2025.
Successfully represented VIVA Payment Services in non-use cancellation action cases brought against the client before the Board of Appeal of the EUIPO and succeeded in maintaining the client’s marks.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Marina Perraki
Other key lawyers
Kalypso Kourtidi; Angeliki Charmpi