Noted for its ‘strong legal expertise across international and local frameworks’, Law Offices Patrinos & Kilimiris advises on trademark portfolio management and handles trademark and patent litigation, with experience before the General Court and Greek civil courts. Constantinos Kilimiris co‑heads the team, focusing on patent disputes for pharmaceutical clients, while Maria Kilimiris also co-leads the team, managing a broad caseload spanning licensing agreements and trademark invalidation proceedings. Electra Kilimiris and Manolis Metaxakis are praised for their ’very clear and helpful’ approach, and Youli Angelou and Christos Xagoraris are also notable for their work in trademark prosecution and litigation.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'We work with Maria Kilimiris. She is responsive, to the point and attentive to practical solutions.'
- ‘The Law Offices Patrinos & Kilimiris team combines strong legal expertise across international and local frameworks, practical problem-solving, and a highly collaborative approach. Their ability to navigate complex issues with clarity and efficiency is a key strength.’
- ‘All individuals of course are qualified professionals with technical expertise and long experience in IP matters. They pay attention to the details and follow up cases.’
- ‘Patrinos & Kilimiris combines long-standing legal expertise with strong technical knowledge, offering clients clear and effective IP solutions. The firm consistently maintains its leading position by handling complex, high stakes matters with responsiveness and accountability. What sets them apart is the continuity of excellence across generations, paired with a modern, adaptable approach that keeps them aligned with clients’ evolving needs.’
- 'Constantinos Kilimiris is one of Greece’s most respected names in IP law, and the office he heads is one of the oldest and best known in Greece. Likewise, Electra Kilimiris is also extremely competent and experienced in IP law.'
Key clients
- Louis Vuitton
- Chanel
- Christian Louboutin
- Haleon
- TRU Kids Inc.
- Renault S.A.S.
- FCA US LLC
- Bristol-Myers Squibb Company
- Novartis AG
- Pfizer, Inc.
- Astra Zeneca AB
- Gilead Sciences LLC
Work highlights
Representing the Hellenic Republic before the EUIPO in a cancellation action against a trademark registration in the name of an entity fully owned and controlled by the Turkish Republic for the trademark "Turkaegean."
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Constantinos Kilimiris; Maria Kilimiris
Other key lawyers
Electra Kilimiris; Manolis Metaxakis; Youli Angelou; Christos Xagoraris