Who we are

International Experience

HP&P is home to 12 fully qualified Attorneys with considerable experience in intellectual property matters over many years of practice and 40 highly specialized technical counsellors-patent translators. Two of our Attorneys are European Patent Attorneys. Most of our Attorneys are active members of various national and international professional bodies and regularly contribute to several publications in the IP field, both Greek and International.

At HP&P we serve our foreign clients in English, French, German, Spanish and Italian. We closely collaborate with 40 technical counsellors, who have accredited degrees (the majority including post-graduate studies as well) in sciences, (e.g. physics, chemistry/biochemistry, biology and electrical/electronic, chemical and mechanical engineering). Most of them are or have been involved in academic research. They are competent translators for English, French and German and regularly provide consulting services of the highest quality, based on their technical expertise in patent matters.

Diverse clientele

Our client base covers a very broad spectrum including law firms and prestigious companies in the fields of pharmaceuticals, chemicals, cosmetics, constructions, telecommunications, energy, biotechnology, food, alcoholic and soft beverages, fashion, finance and banking, education, and many more. Our clients range from the trademark and patent departments of large and small international companies directly represented by HP&P, through to multi-national and small companies represented by HP&P indirectly through trademark and patent agents from all over the world. In addition to our intellectual property activities in Greece, HP&P maintains a close collaboration with outstanding Law Offices in Cyprus and the Arabic countries and has acquired experience in the handling of trademark and patent matters in these countries for many years. In addition to that, our broad network of carefully selected IP law firms, with whom we have built a strong relationship of trust and confidence over the years, permits us to manage our clients’ IP portfolios in each and every country of the world where their interests extend.

Top ranking

HP&P has always been active in promoting intellectual property matters in Greece and internationally. The Managing Partner of the Firm, Eva Yazitzoglou, is a Council Member of EUROPEAN PATENT INSTITUTE and Miranda Theodoridou is a Council Member of ECTA. All HP&P attorneys are active members of various international associations, such as AIPPI, INTA, FICPI, PTMG, MARQUES and CIOPORA. 

Moreover, HP&P attorneys make significant contributions to prestigious IP resources as well as through various associations, including the International Trademark Association (INTA) and the European Community Trade Mark Association (ECTA). For a selection of our most recent contributions, please visit the relevant section of our website (Contributions).

According to the worldwide annual survey conducted by the “MANAGING INTELLECTUAL PROPERTY MAGAZINE” (MIP) - IP STARS, our Firm has been voted, for several years, as a Top Greek Law Firm in its field “Tier no. 1”, for both Patents and Trademarks.  Moreover, for several years, LEGAL 500 place our Firm at the top of their recommended IP Law Firms in Greece, while we are also ranked as a Recommended Firm (Gold) with IAM Patent 1000 – The World’s Leading Patent Professionals and WTR 1000 – The World’s Leading Trademark Professionals. The Patent Lawyer and the Trademark Lawyer Magazines also place our Firm as a Recommended Firm for 2021.  Moreover, our Firm is a Winner of the Corporate INTL Legal Awards for 2021 as the IP Law Firm and the IP Litigation Firm of the Year in Greece, as well as a Winner of the Corporate USA Today Law Awards 2021 as Law Firm of the Year in Greece for Patents and Intellectual Property.  Advisory Excellence and Leaders in Law also endorse members of our Law Firm as their exclusive recommended Patent Law Expert and Anti-Counterfeiting Law Expert for 2021. Despite our top ranking, we are continuously striving to further improve the quality and reliability of our services. HP&P was the first law firm of its kind to implement quality control system (ISO 9001/2015) precisely in order to ensure that. For more information, please visit the relevant section of our website (ISO 9001: 2015).

Partners

European Patent Attorney, Attorney at Law

Eva Yazitzoglou, co-founder of Dr. Helen G. Papaconstantinou and Partners, Law Firm (HP&P), heads the firm as its Managing Partner, as from 2018.

Holding a law degree from the University of Athens, she is an Attorney at Law and a European Patent Attorney. With over 45 years of recognized professional experience in all aspects of IP law, Eva focuses on trademark, patent and copyright law, with particular emphasis on consultation, management and maintenance of international trademark and patent portfolios. Throughout her long career Eva has been advising several major international clients in all industry sectors, including the pharmaceutical, cosmetics, fashion and food industry. She has further worked closely with clients from almost all industry and commercial sectors and has successfully addressed various trademark and patent infringement cases involving individuals and companies in Greece, either by reaching out-of-court agreements and settlements or by proceeding to litigation.

Eva is member of the Athens Bar Association as of 1974 and is admitted to practice before the Supreme Court and the Council of State. 

She is a Council Member of EPI for several years and an active member of many other reputable professional bodies, such as AIPPI and INTA.

Moreover, she has been ranked as a Recommended Individual in WTR Intellectual Property rankings from 2021 to 2024 as well as in IAM Patent 1000 rankings for 2024 and a Recommended Lawyer in Legal 500 EMEA – Intellectual Property rankings from 2020 to 2024.  In addition, she has been rated as ‘Notable Practitioner’ in the IP STARS 2021 to 2024 Intellectual Property rankings as well as “unranked practitioner in the 2020-Intellectual Property rankings.

Eva makes significant contributions through various associations and prestigious IP resources.

 

Senior Partner

 

European Patent Attorney, Attorney at Law 
MBA, University of Derby

Miranda Theodoridou is one of the founding partners of Dr. Helen G. Papaconstantinou and Partners, Law Firm (HP&P), and heads the Trademark and the Anti-Counterfeiting Departments.

With almost 40 years of recognised experience in all IP matters, she represents major multinational companies before the higher administrative courts and in IP litigation, including offline and online enforcement and handling anti-counterfeiting cases. She also provides advise for all trademark, copyright, domain name and GDPR matters.

She holds a law degree from the University of Athens and an MBA from the University of Derby. She is a member of the Athens Bar since 1980 and she is admitted to practice before the Supreme Court and the Council of State.

Moreover, she has served as a council member of the European Communities Trademarks Association from 2014 to 2022 and is a member of the Institute of Professional Representatives before the European Patent Office, the International Association for the Protection of Intellectual Property and INTA.

Miranda has been consistently ranked as a Recommended Individual in WTR 1000 Intellectual Property rankings for the years 2020 - 2024, a Recommended Lawyer in Legal 500 EMEA – Intellectual Property 2021 - 2024 rankings as well as a Trade mark Star and Patent Star for the years 2020 – 2024 in the IPSTARS rankings. She has also been mentioned a recommended individual in the 2024 IAM PATENT 1000 rankings.  In 2020 she was also one of the Top 250 Women in the IP STARS 2020 – Intellectual Property rankings.

Miranda makes significant contributions through various associations and prestigious IP resources.

 

Partner

Attorney at Law

Maria Athanassiadou is an Attorney at Law and a founding partner of Dr. Helen G. Papaconstantinou and Partners, Law Firm (HP&P-2015). With nearly three decades of expertise across all realms of intellectual property, she spearheads the Patents and Industrial Designs Department of the firm. Maria's practice revolves around IP litigation, prosecution, and counseling, with a specialized focus on patents, utility models, supplementary protection certificates, industrial designs, and trademarks. She excels in drafting and reviewing IP contracts and providing pertinent consultancy services.

Maria's clientele comprises major international entities and local clients, particularly in the pharmaceutical sector. She adeptly assists them in devising and executing strategies tailored to their business objectives and needs.

Holding a law degree from the University of Athens, Greece, and a master's in Spanish studies from the University of Barcelona, Spain, Maria boasts a comprehensive educational background. Since 1996, she has been a member of the Athens Bar Association and is licensed to practice before the Supreme Court and the Council of State.

Maria actively contributes to various professional organizations, serving as an alternate delegate of the International Federation of Intellectual Property Attorneys (FICPI) Greek National Group. She is also a valued member of the Pharmaceutical Trademarks Group (PTMG) and the International Trademark Association (INTA).

Various recent awards/recognitions she has received include:

  • Recommended Individual in IAM 1000 – World’s Leading Patent Professionals, since 2020
  • Leading Individual by Legal 500 EMEA 2021 to 2024-Intellectual Property
  • Trade mark star in Intellectual Property rankings in IP STARS 2021 to 2024
  • Awards winner for 2021 and 2022 on Patent Law in Greece by Leaders-in-Law and on Patent Litigation by Global Law Experts and exclusive recommended expert for 2023
  • Award winner and exclusive recommended expert for 2023 on Patents Law in Greece by Advisory Excellence

Maria is a regular contributor to several significant trademark, patent and industrial designs publications, including Lexology, IAM, World Trademark Review, Wolters Kluwer Manual IP, Katzarov’s Manual on Industrial Property and several INTA resources as well as author of the Greek chapter of “European SPCs Unraveled (2nd edition, Wolters Kluwer). 

She is fluent in English, Spanish and Greek (native language) and has a good knowledge of German and Italian.

Partner

Memberships

All attorneys at HP&P are active members of the most prestigious international associations such as EPI, ECTA, AIPPI, FICPI, INTA, PTMG, MARQUES and CIOPORA. Comments Details

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