Greece

Established over a century ago, Dr. Helen G. Papaconstantinou and Partners ("HP&P") stands as a cornerstone in the intellectual property (IP) law sector of the country. Renowned internationally for its high quality services, HP&P offers comprehensive legal and business solutions throughout the entire IP lifecycle. From advising on and prosecuting IP portfolios to managing and maximizing the value of intellectual property in commercial and licensing transactions, the firm excels in out-of-court negotiations, settlement, IP litigation, and enforcement strategies. HP&P seamlessly blends its global perspective with an in-depth understanding of the Greek legal and business landscape.

Setting itself apart through its vast experience and expertise across the spectrum of IP services, HP&P is committed to problem-solving and achieving tangible results. Pioneering in its field, HP&P was the first law firm of its kind to implement a quality control system (ISO 9001/2015).

The firm's leadership comprises three distinguished partners: Eva Yazitzoglou as the Managing Partner, alongside Miranda Theodoridou and Maria Athanassiadou.

HP&P boasts a team of 12 fully qualified lawyers, each possessing extensive experience in all IP matters acquired over years of dedicated practice. Two attorneys are European patent attorneys, one is trained and certified by the EUIPO (first edition), while all members of the firm are part of the Athens Bar Association. Additionally, the firm benefits from the invaluable expertise of a highly specialized academic serving as Counsel, as well as a knowledgeable and experienced legal consultant. Supported by 20 proficient paralegals and supporting staff, HP&P delivers excellent legal and administrative services and collaborates closely with 40 technical counselors covering all technical fields. These counselors, equipped with accredited degrees and significant research experience, also serve as competent translators for English, French, and German, offering consulting services of the highest quality in patent matters.

HP&P serves its diverse clientele in Greek, English, French, German, Spanish, and Italian, maintaining registration with the Athens Bar Association and membership in the Greek Association of Law Firms.

Actively engaged in promoting IP matters both domestically and internationally, HP&P attorneys hold 
memberships in various esteemed international associations, including EPI, FICPI, ECTA, AIPPI, INTA, PTMG, and MARQUES. Notably, Managing Partner Eva Yazitzoglou has served as a Council Member of EPI from 2008 to 2026, while Maria Athanassiadou represents the Greek National Group of FICPI as a Delegate since 2022. Miranda Theodoridou served as a Council Member of ECTA from 2014 to 2022.

The contributions of HP&P attorneys to significant and globally recognized IP resources, such as the World Trademark Review, IAM, Wolters Kluwer Manual IP, Katzarov's Manual on Industrial Property, and various INTA and ECTA resources, further underscore the firm's eminence in the field.

Finally, HP&P is constantly ranked among the top IP law firms in Greece by international legal directories and associations, indicatively mentioning: IP STARS – Trademarks and Patents, Legal 500, Corporate INTL, WIPR Leaders, WTR1000 – Recommended Firm and Recommended Individual, IAM Patent 1000 – Recommended Firm, The Trademark Lawyer, The Patent Lawyer, Global Law Experts (GLE) and Global Advisory Experts (GAE) and others and have received various awards in the IP field.

Members of the firm have also been endorsed as the exclusive Patent Law Expert, Copyright law expert and Anticounterfeiting law expert for Global Law Experts (GLE) and Global Advisory Experts (GAE) and have received related awards.

Despite its top ranking, HP&P is continuously striving to further improve the quality and reliability of its services and enhance its strongly actively inclusive working ethos that encourages collaboration as the main driving force behind effective leadership and successful results. Our vision is to keep on incorporating new practice areas and opportunities so that we can continue to adapt to the growing and ever-changing needs of our clients and the legal industry.

A. & K. Metaxopoulos and Partners is widely recognized as one of Greece’s leading law firms in the fields of Intellectual Property, TMT, Dispute Resolution, Patents, Advertising, and White-Collar Crime. With more than 70 years of experience, the firm has handled a broad spectrum of complex matters across multiple industry sectors, representing prominent international and domestic clients.

Managing Partner Kriton Metaxopoulos has established a strong international reputation through his 
representation of major U.S. film studios, record companies, and the Motion Picture Association of America, while also serving for more than 20 years as a member of the Board of Directors of Warner Music. He regularly advises and represents Greek and foreign clients in complex litigation and advisory matters involving corporate, intellectual property, patent, and trademark law.

The firm is the exclusive Greek member of the International Lawyers Network (ILN) and the Global Advertising Lawyers Alliance (GALA), an international network of law firms specializing in advertising and media law. Through its participation in GALA, major multinational corporations regularly instruct the firm to review advertising campaigns and provide legal clearance for commercials and promotional activities directed to the Greek market.The firm offers a full range of legal services tailored to the needs of businesses, including corporate formation and structuring, drafting and negotiation of commercial agreements, intellectual and industrial property protection, competition law, data protection and privacy, e-commerce, employment and tax law, consumer protection, and white-collar crime matters.

A. & K. Metaxopoulos and Partners is regarded as a pioneer in the protection and enforcement of intellectual property rights in Greece and has received international recognition for its work in the field. The firm maintains longstanding experience in copyright, industrial property law, including trademarks, distinctive signs, patents, and unfair competition matters, as well as extensive expertise in media, entertainment, and advertising law.In addition, the firm has significant experience in real estate and investment-related matters, advising on property acquisitions and transfers, inheritances, leases, and investment residency/Golden Visa programs.The firm is also highly experienced in drafting and negotiating sophisticated agreements across a wide range of commercial and regulatory sectors.

Drakopoulos makes the difference by being an international law firm protecting Intellectual Property (“IP”) rights via its fully-fledged offices covering all aspects of IP law. Our clientele enjoys the added benefit of secure, reliable, and sustainable IP protection, with the advanced skills and local knowledge of specialised IP lawyers and registered agents with international background and experience.

Being experts in IP, we provide advice on IP portfolio management, trademark registration, patent licensing as well as on transactional IP matters such as trademark and technology licensing agreements, franchise agreements and IP aspects of M&A transactions, and we assist our clients in dispute resolution proceedings in relation to trademark, copyright, and other IP rights infringements.

Areas of practice include the following:

• Trademarks, copyright and designs
  Contentious and non-contentious disputes and settlements for validity and infringement litigation (consulting, strategy preparation, drafting legal briefs, witness preparation, out-of-court settlements via warning letters formally served via court bailiff, negotiations and monitoring of compliance, organizing raids and seizures and anti-counterfeiting campaigns).
• Patents, utility models and supplementary protection certificates
  Consulting, legal research, opinions, strategy planning, drafting, witness preparation – with an extensive network of renowned experts from various faculties and jurisdictions – and infringement and nullity actions for all patent, utility, and supplementary protection certificate rights.
• Domain names, online issues, advertising, and unfair competition
  Alternative dispute resolution programme cancellation petitions for the entire range of domain names, cybersquatting, prosecution of advertising and unfair competition complaints.

We also have extensive experience in advising foreign companies which market their products in Greece and Romania on how to protect their trademarks, monitor counterfeit activities and establish and implement efficient anti-counterfeit strategies.

Aside from offering the more traditional IP services, what distinguishes our services is the ability to offer creative solutions in accommodating our clients’ specific needs and interests. When faced with short deadlines, bureaucratic or statutorily imposed obstacles, we make sure that the right case-law or legislative provision is used expeditiously and efficiently, always geared to achieving client satisfaction.

The team possesses also significant experience in helping multinational clients adjust their global arrangements and strategies to Greek and Romanian legal requirements, while promoting their global policies and procedures in the best possible manner and integrates support from different specialized legal teams to provide clients with 360o legal support.

When it comes to anti-counterfeiting, Drakopoulos, partner in Greece, Cyprus and Albania of REACT – The Anti-Counterfeiting Network comprising 400 companies with premium brands across the world, assisting its members in anti-counterfeiting matters across three jurisdictions, is the appointed representative in more than 200 customs applications in Greece, handling more than 350 cases per year in customs and market actions. Drakopoulos regularly organizes seminars assisting enforcement authorities, brand owners and businesses in safeguarding supply chains and stemming the tide of counterfeit goods.

Drakopoulos’ expertise on a wide spectrum of practice areas – including Corporate, Mergers & Acquisitions, Real Estate, Public Procurement & PPPs, TMT, Regulatory and Compliance – arms its team with the skills to provide extremely specialised, value-added and prompt Intellectual Property services with flexibility and personalised attention.

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.

We are in the top of Greece’s legal practice, with a 160+ member team comprising of 15 partners, 80+ associates, 20+ trainees and specialized business services professionals. We deliver a seamless blend of individual expertise with the strength of a collective powerhouse, our biggest asset.

Recognized as a leader across all practice areas, we are celebrated for our commercial insight and dedication to client relationships. Our lawyers are known for their quality, innovation and determination, earning trust through a deep understanding of each case, business integrity, and a focus on tailored solutions.

We uphold the highest professional and ethical standards. We value collaboration and respect, and a deep and unwavering belief in equal opportunity drives our culture. Further, our commitment to the community is unwavering. Pro bono efforts span immigration, education, cultural heritage, environmental protection and democracy promotion, with the aim of dedicating 2% of our chargeable hours to these causes.

As one of Greece’s leading law firms, we are consistently ranked among the top by all major legal directories, including Chambers, Legal 500, and IFLR1000. We have been named Greece’s Law Firm of the Year by IFLR in 2025 and have received the same distinction from Chambers on six occasions (2012, 2014, 2020, 2021, 2023, 2025). At POTAMITISVEKRIS, we see beyond and deliver impact.

KG Law Firm provides a full-service intellectual property (IP) practice representing Greek and international clients across the entire spectrum of IP law. With deep-rooted expertise in trademark, copyright, design, patent, domain name, and unfair competition matters, the firm has built a strong track record serving clients in the financial, pharmaceutical, cosmetics, beverages, and technology sectors. The team's trademark practice is at the core of 
the firm. 

KG's team offers comprehensive trademark support, from clearance searches and filings at national, 
European, and international level, through prosecution, oppositions, revocation, and invalidity actions, to representation before the Greek courts, the Trademark Administrative Committee and the EUIPO. 

The firm also advises on the strategic management and maximization of trademark portfolios, ensuring the proper management of clients' IP assets. This is complemented by substantial experience in IP transactions, licensing, negotiation, and due diligence. In terms of copyright law, KG provides both advisory and litigation services, with a particular focus on software-related matters, whereas the firm's patent practice covers the filing, registration, and 
validation of European patents, as well as patent litigation, while its design practice extends to design filings and related court proceedings. 

KG also represents clients before the Greek Customs Authorities and in proceedings arising from the seizure of counterfeit goods. Additional services include domain name registration and dispute 
resolution, as well as consulting on trade secret protection. Across all IP areas, KG is committed to delivering forward thinking and commercially sound legal solutions tailored to each client's specific needs and business objectives. The team combines rigorous legal expertise with a results-oriented approach, ensuring clients receive not only technically sound advice, but also strategic guidance grounded in commercial reality.

Whether navigating complex multi-jurisdictional disputes, managing large IP portfolios, or advising on sensitive transactions, KG stands out as a trusted partner in terms of IP matters.

Karatzas & Partners Law Firm was founded in 1963, under the name Karatzas Law Offices. From its 
establishment, it has been active in the fields of civil, company, commercial and financial law, with its clientele being both Greek and international. Our services cover a broad range of areas, including banking and finance, capital markets, competition, energy, mergers and acquisitions, privatization, project finance, real estate, telecommunications, data protection, intellectual property, employment tax, and litigation in courts and arbitral tribunals.

Widely recognized for excellence, we are consistently ranked as a top-tier firm and have been awarded as Greek Law Firm of the Year multiple times, with most recent accolades being the Greece Firm of the Year award at the Women in Business Law Awards EMEA 2025 and the Disability Advocacy Firm of the Year award at the Social Impact EMEA Awards 2025.

Our company culture is based on individual merit without discrimination on grounds of gender, race, or background. Our firm has received two awards recognizing our commitment to these principles: Best Workplace 2024 and Best Workplace for Women 2024 by Great Place To Work® Hellas.

Committed to innovation, Karatzas & Partners leads in technology and data protection standards as the first Greek law firm certified with ISO 27001 for information security and ISO 27701 for data privacy. Finally, our dedication to social responsibility is demonstrated through extensive pro bono work and support for community initiatives.

IPWORK.GR is a boutique legal practice specializing in intellectual property and alternative dispute resolution in Greece and across the European Union. Its services cover the full spectrum of IP and related fields, including trademarks, patents, copyright, domain names, trade secrets, emerging technologies and AI, advertising, unfair competition, franchising, privacy, and personality rights. Distinguished by a client-focused and results-oriented approach, IPWORK.GR provides clear, practical solutions to complex legal and business challenges. Much of its work involves cross-border issues, effectively resolved through consultation, ADR, or litigation, with consistently successful outcomes for clients.

Patrinos & Kilimiris, is the oldest law firm in Greece practicing exclusively in IP. It was established in 1919 by Dr. E. Patrinos and has become one of the leading law firms,with a team of more than 20 associates, including 7 attorneys.

The firm provides comprehensive services in patent, trade mark and design counselling, filing, and prosecution; copyright protection; transfer of technology; plant varieties; licensing; negotiations and arbitration. It represents clients before the Greek Patent and Trademark office, the European Patent Office and the Office of Harmonization in the Internal Market.

We employ a select number of high-qualified attorneys combining specialist knowledge and experience with flexibility, in order to serve the client in the most efficient and cost effective way possible and collaborate with more than 15 technical assistants with a superior level of expertise, covering the principal fields of science, in order to guarantee the highest quality in technical translations and offer expert opinions in patent related court proceedings.

The exceptional level of the firm’s services and our clients’ appreciation is reflected in our continuous ranking, over the years, among the top positions of Greek patent and trademark firms in the World IP Survey conducted by the Managing Intellectual Property Magazine.

Network memberships : INTA, ECTA, AIPPI, FICPI, MARQUES, UNION, EPLAW

Last Updated 31st May 2016