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Temu, Shein UK litigation marked by market definition dispute, judge told

By Simon Zekaria ( September 23, 2025, 15:06 GMT | Insight) -- Temu told a UK judge Tuesday that the company’s antitrust litigation against rival Chinese online marketplace Shein is marked by a dispute over market definition applicable to the legal basis of the lawsuit. The action from Temu is a counterclaim for damages at the Competition Appeal Tribunal alleging anticompetitive behavior, in a response to being sued by Shein over alleged copyright infringement. Temu told a UK judge Tuesday that the company’s antitrust claim against rival Chinese online marketplace Shein is marked by a dispute over market definition applicable to the legal basis of the lawsuit....

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