The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon
Work +30 210 362 6624
Fax +30 210 362 6742
Dr. Helen G. Papaconstantinou and Partners, Dr Helen Papaconstantinou, Athens, GREECE

Lawyer rankings

Dr Helen Papaconstantinou

Work 30 210 3626624, 3625757
Dr. Helen G. Papaconstantinou and Partners

Work Department

Senior Partner / Intellectual property


Dr. Helen Papaconstantinou is the senior partner of Dr. Helen Papaconstantinou, John Filias & Associates and has headed the Law Office of Dr P.D. Theodorides - Dr. H.G. Papaconstantinou (established by Dr Theodorides in 1920) since 1986


Dr. Helen Papaconstantinou has held an academic position at the University of Athens from 1963 until 1975. In 1967 she joined the Law Firm of Dr. P.D. Theodorides and became senior partner in 1986, heading the firm ever since, under its new name of Dr. P.D. Theodorides – Dr. H.G. Papaconstantinou. In 1996, in order to better serve its clients, the firm evolved into two branches, the one under the old firm name “Law Office Dr. P.D. Theodorides – Dr. H.G. Papaconstantinou” (covering many areas of practice with particular emphasis on trademarks, copyright, anti-trust, anti-counterfeiting, customs monitoring procedures, licensing, distribution, franchising & contract law, domain names & internet law, national & international e-commerce law, personal data protection and human rights commercial law, trade regulation competition law, consumer protection & advertising law and all related consultancy, litigation and ADRP procedures on behalf of several sectors) and the other under the name of “Dr. Helen Papaconstantinou, John Filias & Associates”, covering patents, designs and all related litigation. Under her leadership, the two branches, in close cooperation, have evolved into one of the leading IP practices in Greece, covering all aspects of IP law. Dr. H.Papaconstantinou is recognized as a leading IP expert and has distinguished herself in patent and trademark litigation on behalf of many major companies in several sectors, including pharmaceuticals, fashion and food, service providers, etc. She was selected as one of the leading female practitioners in 2010, as a leading practitioner for patents in Greece in 2011 (Expert Guide) and as one of The World's Leading Trademark Professionals in 2013 (WTR 1000). She contributes regularly for matters relating to IP law, and some of her articles include the following: 'Use to Maintain Rights in EC Countries-Greece,' Conference - ECTA, 1986; 'Role and Functions of the Patent Agent'; 'Symposium on Patent Protection in a Market Patent Economy', Publication of the World Intellectual Property Organization, 1991; 'Comments on the New Greek Trademark Law as Amended by the Implementation of the EEC Directive'; 'Trademarks from Here to 2000', ECTA, 1993; Community Trademark Courts dream come true or work in progress? - OHIM the year in review, contribution for Greece October/November 2010 issue, World Trademark Review Daily; 'Patents in Greece' - Managing Intellectual Property - Online Channel Sponsorship, April 2011; 'Patents in Europe 2013-2014 - Helping business compete in the global economy', IAM, published in May 2013


English, French, German, Greek


FICPI - member (since 1986) and member of the executive committee (since 2006), president of the FICPI Greek Group (since 2006); AIPPI - member (since 1972) and member of the executive committee (since 2007), president of the AIPPI Greek Group (since 2007); EPI - member (since 1982), counsel member (since 1992), Secretary General (1989-1991), board member (1992-2010); Greek Bar Association, member (since 1962); ECTA (since 1982) council member (since 1990); ITMA - Overseas Member (since 1971); CIPA - foreign member (since 1971); INTA - member (since 1975); UNION, member (since 1990)


Dr Helen Papaconstantinou graduated from the University of Athens with a Law Degree and was awarded a Dr. Jur. Degree by the Free University of Berlin. She is admitted to practice before the Supreme Court and the Council of State. She has also held an academic teaching position in the IP field at the University of Athens for a number of years (1980-1986)


Painting, Traveling


Intellectual property

Within: Leading individuals

Helen Papaconstantinou - Dr. Helen G. Papaconstantinou and Partners

Within: Intellectual property

Dr. Helen G. Papaconstantinou and Partners is an IP boutique with an excellent reputation. Helen Papaconstantinou is supported by a team of specialist lawyers, including qualified European patent attorneys Eva Yazitzoglou and Miranda Theodoridou.

[back to top]

Back to index

Legal Developments by:
Dr. Helen G. Papaconstantinou and Partners

Legal Developments in Greece

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to