Online fast-fashion giant Shein is suing their rival Temu over copyright infringements— the newest update in the ongoing feud between the two Chinese-linked marketplaces. Shein—which was founded in China but is now based in Singapore—is alleging in a suit filed on Monday that Temu, owned by PDD Holdings, stole their designs, posed as Shein on X—formerly Twitter—and embedded Shein trademarks in their designs in what they call a “coordinated scheme.” Shein previously sued Temu in 2023 for intimidation and misleading customers. [time-brightcove not-tgx=”true”] “Temu masquerades as a legitimate e-commerce ‘marketplace’ where independent sellers can offer their products for sale,” attorneys for Shein parent company Roadget Business wrote in their lawsuit filed against Temu operators in the U.S.