The Unified Patent Court’s (UPC’s) Court of Appeal recently issued a landmark jurisdictional ruling in Fives v. REEL, establishing in part that the UPC may issue damages based on infringement rulings from national courts. Now, one of the UPC’s busiest local divisions has pushed the envelope even further. On January 28, the Düsseldorf Local Division (Düsseldorf LD) held for the first time that the UPC can exercise long-arm jurisdiction and decide claims of infringement for European patents issued in countries not participating in the UPC—here, the UK—when the defendant is domiciled in a UPC member state.