It has long been held that a prior art disclosure of a chemical compound would disclose this chemical compound in all grades of purity and that novelty could only be achieved if the claimed level of purity could not be reached in the prior art. However, in the current decision the view that such an assessment should be performed in the light of inventive step and not with respect to novelty has been confirmed.

Case date: 01 June 2022
Case number: T 0043/18
Court: European Patent Office (EPO), Board of Appeal

A full summary of this case has been published on Kluwer IP Law.


To make sure you do not miss out on regular updates from the Kluwer Patent Blog, please subscribe here.

Kluwer IP Law

The 2022 Future Ready Lawyer survey showed that 79% of lawyers think that the importance of legal technology will increase for next year. With Kluwer IP Law you can navigate the increasingly global practice of IP law with specialized, local and cross-border information and tools from every preferred location. Are you, as an IP professional, ready for the future?

Learn how Kluwer IP Law can support you.

Kluwer IP Law
This page as PDF