34That approach must be followed. The situation is not that the intervener's mark is used under a form different to the one under which it was registered, but that several signs are used simultaneously without altering the distinctive character of the registered sign. As OHIM rightly pointed out, in the context of the labelling of wine products joint affixing of separate marks or indications on the same product, in particular the name of the winery and the name of the product, is a common commercial practice.