In this month's report, we look at the use of trade marks in the context of online advertising in mk advokaten GbR v MBK Rechtsanwälte GbR (CJ; C 684/19), report on the latest hearing in the Sky/Skykick litigation and summarise the GC’s decision in Glaxo Group Ltd v EUIPO relating to Glaxo’s application for a colour mark (purple).