Court rules on burden of proof in patented process case

Managing IP is part of Legal Benchmarking Limited, 1-2 Paris Gardens, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Court rules on burden of proof in patented process case

burden-min-final.jpg

The reversal of burden of proof in civil proceedings concerning the enforcement of rights for patents for processes is a provision that exists in the laws of many countries, including Greece.

The same provision is included in Article 34 of TRIPS. This gives judicial authorities the power to order the defendants to prove that their process is not infringing.

The defendant's burden of proof is laid down in Article 17 Paragraph 6 of Law 1733/87, which provides that "if the invention relates to a process for the manufacture of a product, each product of the same nature is presumed to have been manufactured according to the protected process."

Article 34 of TRIPS imposes an additional condition for the infringement presumption to apply. In order for this to apply, the product obtained by the patented process must be new.

The issue of which conditions should apply for the reversal of burden of proof to be ordered was examined in a recent judgment from the Athens Single Member Court of First Instance hearing a preliminary injunction application based on a patent with process claims. In these proceedings, the patentee was relying on the reversal of burden of proof as regards infringement of the patented process. The defendant objected, arguing that the reversal of burden of proof cannot apply under the circumstances, since the product obtained under the process was not new. The objection was based on Article 34.1a of TRIPS and the defendant argued that these provisions of TRIPS overrule the broader provisions of national law.

The court rejected the objection and found the national law provisions applicable. In its judgment it referred to CJEU judgment C-414/11 and ruled that, in view of this judgment, TRIPS does not have a direct effect on the member states, given that the rules of the TRIPS Agreement fall within the meaning of "commercial aspects of intellectual property" and by extension, the "common commercial policy" and fall within the exclusive competence of the EU, based on the provisions of TFEU Articles 3.1(e) and 207.1.

kilimiris-constantinos.jpg

Constantinos Kilimiris


Patrinos & Kilimiris

7, Hatziyianni Mexi Str.

GR-11528 Athens

Greece

Tel: +30210 7222906, 7222050

Fax: +30210 7222889

info@patrinoskilimiris.com

www.patrinoskilimiris.com

more from across site and SHARED ros bottom lb

More from across our site

News of Nokia signing a licensing deal with a Chinese automaker and Linklaters appointing a new head of tech and IP were also among the top talking points
After five IP partners left the firm for White & Case, the IP market could yet see more laterals
The court plans to introduce a system for expert-led SEP mediation, intended to help parties come to an agreement within three sessions
Paul Chapman and Robert Lind, who are retiring from Marks & Clerk after 30-year careers, discuss workplace loyalty, client care, and why we should be optimistic but cautious about AI
Brantsandpatents is seeking to boost its expertise across key IP services in the Benelux region
Shwetasree Majumder, managing partner of Fidus Law Chambers, discusses fighting gender bias and why her firm is building a strong AI and tech expertise
Hady Khawand, founder of AÏP Genius, discusses creating an AI-powered IP platform, and why, with the law evolving faster than ever, adaptability is key
UK firm Shakespeare Martineau, which secured victory for the Triton shower brand at the Court of Appeal, explains how it navigated a tricky test regarding patent claim scopes
The firm’s managing partner said the city is an ‘exciting hub of ideas and innovation’
In our latest podcast, Deborah Hampton talks through her hopes for the year, INTA’s patent focus, London 2026, and her love of music
Gift this article