Art. 1 al. 2 PatA in conjunction with art. 7 al. 2 PatA: Inventiveness Inventiveness can only be affirmed if it is given relative to each prior art document put forward, which can be taken as closest prior art document. If one of these prior art documents renders the claimed invention obvious, irrespective of the other prior art documents nullity has to be pronounced. Bundespatentgericht Tribunal fédéral des brevets Tribunale federale dei brevetti Tribunal federal da patentas Federal Patent Court O2013_011 Ve r f ü g u n g v o m 2 7 . M a i 2 0 1 5