Lack of novelty by re-working prior art requires that the re-works must inevitably lead to results falling within the claim of the patent at issue. If choices have to be made for the re-working process, the result is not inevitable.A possible breach of Article 84 EPC (clarity) does not lead to nullity. The Court states…

In this judgment the Court of Appeal considers the appellant’s claim for invalidation of the patent inadmissible as he did not call the co-proprietor of the patent to join the proceedings. While considered valid on substantive grounds, the claim in question needs to be rephrased to fulfill the industrial applicability. As nullity of the patent…