Routine Rejection: Is The EPO's Approach To Antibody And Polymorph Claims Correct, Balanced And Justified?

The Journal of Intellectual Property Law & Practice has published an article in which partner Darren Smyth and Stephen Ingham, Assistant General Patent Counsel, Eli Lilly & Company, discuss the EPO's approach to antibody and polymorph claims.

In this article, the assessment of inventive step, in particular by the European Patent Office (EPO), is considered. In relation to certain types of claim, namely claims directed to structurally defined antibodies, or crystal forms, the terms of the claims are frequently not sufficiently considered, and inventive step denied. In these fields, lack inventive step is often alleged on the basis that it would be obvious to arrive at something functionally equivalent to the claimed result/solution, even if not the actual features which are claimed.