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KIORTSIS & ASSOCIATES Law Offices

Greece

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Key contacts
Manager: Christina Kiortsis
Quick facts
Network Memberships

INTA, ECTA, AIPPI, FICPI, MARQUES

Languages Spoken at the Firm

English, French, German, Greek

Total Number of IP Practitioners

8

Number of Partners

1

Firm - Year of Establishment

1951

Key practice areas
Intellectual property
Trade mark
Patent
Firm overview

Established in 1951, KIORTSIS & ASSOCIATES Law Offices is specialized in all aspects of Intellectual property and is well known for its high level of expertise in addition to its extensive legal experience.

Our Offices are equally competent in IP filings, litigation, contracts and negotiation, as well as in legal consulting. They maintain a very strong international clientele, which consists of small to large companies as well as local and foreign individuals. Moreover, KIORTSIS & ASSOCIATES Law Offices co-operate with prominent and trustworthy law firms on an international level, which enable us to offer comprehensive legal services to clients with international business interests.

Our experience of over 70 years, high level of education, continuous awareness of the latest developments in Intellectual Property Law through webinars, studies, articles, etc. together with our state - of - the - art equipment help us to provide our clients with the best available services in Greece and within the European Union. Furthermore, Kiortsis & Associates Law Offices monitors and ensures its active compliance with the spirit of the law and ethical standards with the aim of increasing long-term profits and reducing business and legal risk.

We are very happy that International Law Firms’ Guides, such as “The Legal 500”, Law Firm Directories and Legal Magazines have been continuously ranking Kiortsis & Associates Law Offices over the years in high positions among the leading IP firms.

ESG and diversity achievements

KIORTSIS & ASSOCIATES Law Offices complies with equal opportunity employment objectives. We do not discriminate against individuals on the basis of age, disability, gender, pregnancy or maternity, race, colour, nationality, ethnic or natural origin, religion or belief, sex or sexual orientation, not only for ethical reasons but also because we believe that diversity brings substantial potential benefits such as better decision-making and improved problem solving as well as greater creativity and innovation, which leads to enhanced service development and provides us with the ability to compete in global markets.

KIORTSIS & ASSOCIATES Law Offices fulfils its diversity policy and mission by:

  • respecting individuality and different perspectives of all people working with us
  • placing lawyers and administrative staff of varying backgrounds in the right positions, based on their experience, speciality, talents and desire, so as to give the opportunity to everyone to succeed and equally contribute to our business’s goals
  • ensuring that women lawyers make up more than two-thirds of its staff
  • recognizing the value of older staff as on an equal level with younger ones.

We are of the opinion that while achieving business targets, firms and companies should do CSR at the same time. KIORTSIS & ASSOCIATES Law Offices monitors and ensures its active compliance with the spirit of the law and ethical standards with the aim of increasing long-term profits through positive public relations and reducing business and legal risk through high ethical standards.
Our business’s Corporate social responsibility is expressed by:

  • respecting the rights and needs of the working people
  • providing secure employment
  • helping the environment by keeping electronic files, by using electronic means of filing trademark, patent applications etc., by recycling materials
  • being a donor to many human and animal welfare organizations, such as UNICEF, ACTIONAID and PETA.

Faithful to ethical business practice, KIORTSIS & ASSOCIATES Law Offices supports professional work undertaken voluntarily and without payment or at a reduced fee for those who are unable to afford legal services. Especially during this difficult worldwide crisis, KIORTSIS & ASSOCIATES Law Offices has expanded the delivery of pro bono legal help mainly by giving free legal advice.

Practice Areas & Sector Specialisations

Key IP Areas

Copyright & related rights, Designs, Intellectual property (contentious), Intellectual property (prosecution), IP transactions, Patent, Patent contentious, Patent prosecution, Trade mark, Trade mark contentious, Trade mark prosecution

Key Sector Expertise

Aerospace, Advertising, Agriculture, Artificial intelligence, Arts, Automotive, Biotechnology, Chemical, Computer technology & services, Construction & materials, Defence, E-commerce, Electrical, Electronics, Fashion & luxury goods, Financial services, Food & beverage, Furniture, Gaming, Hospitality & leisure, Industrials, Instruments, Internet, Life sciences, Manufacturing, Mechanical, Media, Medical device, Music, Oil & gas, Optics & photonics, Pharmaceutical, Professional services, Retail, Sports, Technology hardware, Telecommunication, Tobacco, Transport, Universities & research, Utilities

Address:
136 Solonos str.
Athens 106 77
Tel:+30 210 3802401 Fax:+30 210 3802401 Email:Contact Us Web Address:https://www.kiortsis.gr
2026 Edition
Intellectual property
Tier 3
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Tier 3

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Overview

Established in 1951, Kiortsis & Associates Law Offices specialises in all aspects of Industrial and Intellectual property with expertise in litigation, trademark filings, patent filings, revocations and general consultancy. It is well known for its high level of knowledge and extensive legal experience.   

Notable practitioners: Christina Kiortsis 

Manager Christina Kiortsis leads the firm. 

 
Testimonials

2026

"This firm is extremely professional and dependable in litigation matters. They respond quickly, work efficiently, and have been a great support in many cases. Their assistance and attention to detail really stand out."

"The IP team is professional, responsive, and highly organized. Their efficient handling of filings and prosecutions, along with clear communication, makes IP administration seamless."

"The IP advisory team is knowledgeable, responsive, and strategic in their approach. Their advice is clear, reliable, and aligned with business objectives."

"What stands out most is their strategic thinking, deep technical understanding of IP law, and strong courtroom presence. The team combines commercial awareness with precise legal analysis, ensuring that litigation strategies align with broader business objectives."

"They are responsive, thorough, and proactive in identifying risks and opportunities. Their communication is clear and practical, and they demonstrate strong commitment to achieving the best possible outcomes for their clients."

Christina Kiortsis

"She has deep knowledge, understands each case's needs and has impeccable working discipline." 

"She is particularly strong in developing clear, strategic litigation approaches in complex IP disputes. Her analytical skills are exceptional, and she has a deep understanding of both the legal and technical aspects of intellectual property matters."

 

2025

"Reliable and punctual in their replies and in carrying out the job."

"We trust the firm in handling our clients' matters in Greece."

"I chose Kiortsis & Associates because of their excellent reputation and proven expertise in intellectual property law. Their team provides swift and precise advice and delivers outstanding results in complex cases.

"Their attention to detail and ability to tailor solutions to specific needs made them the ideal choice for this work."

"Quick, precise and competitive in pricing."

"The firm responds and advises promptly. I trust in their management."

"What I appreciate most about Kiortsis & Associates' IP service is their professionalism, efficiency, and in-depth knowledge of intellectual property law.

"Their team is highly responsive, proactive, and pays close attention to detail, ensuring that every aspect of the case is handled meticulously.

"I value their ability to simplify complex legal issues and provide clear, actionable advice, which reflects their vast experience and expertise in the field."

Linked Reviews
Trade mark

Case studies show that the firm assisted PUMA, the well-known producer of athletic products in opposition to the Greek TM application to stop infringement of the IP rights. 

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