Tsimikalis Kalonarou is regularly engaged in civil litigation and infringement cases, and is regarded as ‘unique in its international outlook’. The practice is jointly led by Stefanos Tsimikalis, Chariklia Kalonarou, and Athanasios Tsimikalis. Stefanos Tsimikalis, noted for his ’commercial awareness’, handles high‑stakes enforcement matters, cancellation proceedings before the Greek Trademark Office and EUIPO, and anti‑counterfeiting mandates, with particular expertise in cases before the courts of Thessaloniki. Kalonarou is an experienced litigator focusing on opposition proceedings, while Athanasios Tsimikalis specialises in patent and trademark work. Giannis Giannakakis concentrates on trademark‑related contentious cases. The team is regularly instructed by domestic and multinational clients across the cosmetics, food, and fashion sectors.
Legal 500 Editorial commentary
Accolades
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- ‘The team is unique in its international outlook. I am always confident when I refer clients to them that they will get the same service as that provided by multinational law firms.'
- ‘Stefanos Tsimikalis stands out for his responsiveness, his knowledge of the full range of intellectual property, his keen commercial awareness, and his ability to stay within the client's budget. Whenever I refer a client to Stefanos, I feel confident in knowing that they are in a safe pair of hands that will navigate them through both the contentious and non-contentious Greek IP landscape.’
- ‘Stefanos Tsimikalis has deep knowledge of the market and very responsive. The team has a very valuable international network of practitioners for cross-border issues.’
- ‘Having worked with numerous high-calibre legal practices in Greece and abroad, I can confidently say that Tsimikalis Kalonarou truly stands out. They combine deep expertise, efficiency, and meticulous diligence with the kind of personalised service and direct partner involvement that only a boutique firm—by international standards—can deliver.’
- ‘Stefanos Tsimikalis distinguishes himself through his strong legal expertise and pragmatic, solution-oriented approach. He is highly responsive and attentive, with a clear focus on client needs, which makes working with him both efficient and reassuring. Beyond his technical skill, he is also very pleasant to work with, combining professionalism with a personable and approachable manner.’
Key clients
- Olonea Healthcare
- BASF SE
- Audi AG
- Loumidis Coffee Shops S.A.
- TEMES S.A.
- Delivery Hero SE
- Moncler SpA
- Korres S.A.
- MAN Truck & Bus SE
- Crocs Inc.
- IMC Toys S.A.
- Mailo’s – The Pasta Project
Work highlights
Acted for a leading global shoe manufacturer in a high-stakes enforcement action, resulting in the successful seizure of over 9,000 counterfeit pairs of footwear from a warehousing facility in Athens, Greece.
Acted on behalf of a top-tier video game producer in a copyright infringement case, securing an ex parte temporary restraining order that swiftly halted the unauthorized use of protected content.
Secured a further victory for KORRES S.A. before the EUIPO’s Board of Appeals following the General Court’s decision (Case T328/22), which overturned an unfavourable decision of the EUIPO’s Boards of Appeals in the HYDRABIO v. HYDRA BIOME (fig.) case.
Lawyers
Leading partners
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Practice head
Stefanos Tsimikalis; Chariklia Kalonarou; Athanasios Tsimikalis
Other key lawyers
Giannis Giannakakis