The long arm of the Unified Patent Court based on the “event giving rise to the infringement” and considerations on the application of lex loci protectionis

This paper analyses the decision of the Mannheim Local Division of 2 October 2025, where the Unified Patent Court (UPC) justifies its jurisdiction on the basis of shipment of products from a UPC territory by company listed as authorized representative in the EC and UK markets as event giving rise to damage. Furthermore, although the applicable law with regard to the infringement of the European patent validated in States that are not party to the Agreement on a Unified Patent Court is the national law of those States, with regard to the scope of patent protection, the UPC imposes on the defendant—unduly—the burden of proving the specifics of national law.

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