Shein and Temu are slapping each other with lawsuits as their epic battle for Gen Zers heats up

• Shein and Temu are battling it out for the title as the world's favorite shopping app.
• The fast-fashion companies have filed separate lawsuits against one another. 
• Shein alleged Temu infringed on its trademark and Temu alleged Shein violated antitrust laws.

Shein and Temu are battling it out for the title of the world's favorite shopping app. In the process, both companies have filed separate lawsuits against one another.