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 ...

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

Canadian athletic wear maker Lululemon sued Costco in California federal court on Friday, alleging that the wholesaler sells "knockoff" sweatshirts, jackets and pants that unlawfully copy its products ...

Lululemon alleges that Costco has stolen the intellectual property of its Scuba hoodies and sweatshirts, Define jackets and ABC pants.

Vancouver-based Lululemon asserts that Costco sells apparel that mimics the look and feel of its products.

The Canadian athleisure brand has accused the warehouse club operator of copying at least six of its products, including its Scuba hoodie and men’s pants.

Lululemon is accusing Costco of leading customers into believing that the Kirkland-branded “dupes are in fact manufactured by ...

Lululemon Athletica launched a lawsuit over the weekend against Costco Wholesale, accusing the warehouse retail giant of ...

Lululemon Athletica claims in its lawsuit filed in the U.S. District Court for the Central District of California that Costco has “unlawfully traded” on its reputation, goodwill and sweat equity by ...

In a 49-page lawsuit filed in California, Lululemon accused the retail wholesaler of selling knockoff versions of its Scuba clothing and popular ABC men’s pants.

Less expensive versions of high-end clothing and other accessories are just about everywhere these days. But these fashio ...

Lululemon is suing Costco, accusing the discount retailer of selling "confusingly similar" replicas of its jackets, sweatshirts and pants.