A lawsuit has been filed against Temu, with allegations including the use of deceptive spam emails to install tracking technology. The company is also facing issues related to the sale of counterfeit and unsafe products, with reported fines including a $232-million fine over unsafe toys and electronics. Additionally, Temu is involved in intellectual property disputes, including a lawsuit with Shein that has led to merged cases in a US court and ongoing litigation in London's High Court.