T 2255/15 - Can the Board of Appeal disregard third party observations that were only filed during the appeal proceedings?
In the present case, the appeals lodged by the opponent and the patent proprietor lie from the interlocutory decision of the opposition division that the European patent No 1 369 037 in amended form. Third party observations were submitted in an early stage of the appeal proceedings, as well as in later stages, objecting to novelty and to inventive step w.r.t. newly field documents (existing grounds, but new facts, arguments and evidence). The patent proprietor requested that the third-party observations, with all the documents and annexes referred to in the observations, not be admitted into the proceedings as they were late-filed. However, the RPBA seems to only impose constraints on late-file submissions by parties, as does Art. 114(2) EPC, and not by third parties. How did the Board handle these third party observations: were they admitted and, if so, to what extent?