The European Patent Office (EPO) introduced a new practice for opposition procedures on 1 July 2016 with the aim of shortening such proceedings. It has optimised its internal workflows so that the total time needed for a decision in straightforward cases is reduced to 15 months, calculated as from expiry of the opposition period. This new practice continues to respect the general principles governing the procedure before the EPO, in particular the right to be heard (Article 113 (1) EPC).
You can find further information in the following video