EPO Assessment of Inventive Step when an Unusual Parameter is Claimed

December 2, 2022By Julia D'ArcyEPO, Patents, Prior Art, Uncategorized

Before the EPO, the standard requirement is that the technical effects of a claimed invention and that of the closest prior art can be directly compared. Where a claimed invention is described through reference to “an unusual parameter” such comparison is difficult. Recent EPO Board of Appeal decision T 0555/18 is a caution against defining an … Read More