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Canadian athletic wear maker Lululemon sued Costco in California federal court on Friday, alleging that the wholesaler sells ...

Lululemon, the Canadian company known for its high-quality athletic wear, has filed a lawsuit against Costco, accusing the ...

Lululemon has filed a lawsuit against Costco that accuses the wholesale club operator of selling lower-priced duplicates of some of its popular athleisure clothing. Lululemon Athletica claims in its ...

Clothing stocks got a lift from the U.S.-Vietnam trade deal. But an analyst sees these difficulties ahead. S hares of some big brands that make a lot of shoes and clothes in Vietnam — like Nike Inc.

Lululemon has accused Costco of selling unlicensed knockoffs of popular products like the Scuba pullovers and ABC Pants.

Does your athleticwear from Costco look similar to a Lululemon outfit? That's intentional, a new lawsuit alleges.

In a lawsuit filed on Friday, Lululemon claimed certain Costco products have "unlawfully traded" on the brand's "reputation, ...

The warehouse giant is accused of leading customers to believe some of their products are made by the same manufacturers as the high-end retailer.

What are fashion dupes? Fashion columnist Faran Krentcil joins Jon Hansen to talk about the lawsuit. The two discuss whether ...

Lululemon Athletica Inc. LULU-Q is accusing Costco Wholesale Corp. COST-Q of infringing on its intellectual property by ...

Lululemon is suing Costco for allegedly infringing on its trademarks and design patents by selling dupes of its clothes.