IP Stars

HP & P (Dr Helen G Papaconstantinou & Partners)

Greece

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Overview

Dr Helen G. Papaconstantinou and Partners (“HP&P”) provides legal and business solutions in the complete IP lifecycle, from advising on and prosecuting IP portfolios, assessing, managing and maximizing the value of intellectual property in commercial and licensing transactions through out-of-court negotiations and settlement, IP litigation and enforcement strategies.    

Notable practitioners: Eva Yazitzoglou, Miranda Theodoridou and Maria Athanassiadou 

Managing partner Eva Yazitzoglou, Miranda Theodoridou and deputy managing partner, lead the firm. Maria Athanassiadou is the head of patents.  

Testimonial

2025

"Whenever I oversee European-wide SPC campaigns, this firm is always the first to respond and work, with the work being at the highest standard. They are also excellent at the soft skills and manage to get positive responses from examiners."

"A well-respected law firm experienced with the nuances of filing patent applications in Greece."

"HP&P have always been responsive and clear in communicating what they need from us and when."

"They provide us with accurate and thorough guidance, and they do not hesitate to express and develop their legal opinion."

"Their team is reliable and consistent."

"They provided excellent and detailed advice compared to what I received from other Greek firms."

"The firm is one of the most respectable and reliable firms in Greece."

A client noted the firm's "efficiency and quality of work".

"Fast services, detailed feedback, and always [provide] good strategy."

Copyright & related rights

Case studies show that the firm assisted multinational Data and infproviders provider on a copyright protection matter concerning their client testing whether copyright-protected content can be used as input for generative AI purposes under local law, or if such use could be considered problematic and potentially a violation of third-party copyrights in the aggregated content.  

Patent

Case studies show that the firm represented a pharmaceutical company in a Patent Infringement action before the Court of Appeal and the Supreme Court. Melina Kostakopoulou is a key practitioner to watch out for.

 
 
Trade mark

Case studies show that the firm assisted the Athletic footwear company in the opposition proceedings held before the Administrative Trademark Committee against the Greek trademark application.