Joe Ng, CEO of fashion studio Shift, said Lululemon's pants may have inspired Costco's, but the design isn't as unique as a ...

Lululemon said in a lawsuit filed on Friday, June 27, that Costco “unlawfully traded” on the athleisure brand’s “reputation, ...

In a 49-page lawsuit filed in California, Lululemon accused the retail wholesaler of selling knockoff versions of its Scuba ...

The Vancouver-based athleisure brand filed a lawsuit on Friday, saying Costco had created "confusingly similar" dupes of its ...

Lululemon is accusing Costco of leading customers to believe that these dupes, slang for duplicates, “are in fact ...

Fashion "dupes," or less expensive versions of high-end clothing and other accessories, are just about everywhere these days.

In a lawsuit filed on Friday, Lululemon claimed certain Costco products have "unlawfully traded" on the brand's "reputation, goodwill and sweat equity by selling unauthorized and unlicensed apparel ...

Lululemon is targeting Costco in a lawsuit, claiming the wholesale retailer is selling lower-priced knockoffs of some of its popular designs. NPR reports the luxury clothing brand is accusing Costco ...

Lululemon is known for athleisure clothing and said that Costco uses makers of popular brands to make similar items for its ...

The athleisure giant claims Costco's budget-friendly dupes are misleading consumers and infringing on their patents.

In its 49-page lawsuit, Lululemon alleges Costco sold items made with patent-protected designs for about a half-dozen pieces of apparel under the labels Danskin, Jockey, Spyder and Kirkland Signature.