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 is accusing Costco of stealing from its "path-breaking" brand by selling dupes of its sweatshirts, jackets and ...

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

Lululemon has filed a lawsuit against Costco that accuses the wholesale club operator of selling lower-priced duplicates of ...

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

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

The Canadian athleisure brand has accused the warehouse club operator of copying at least six of its products, including its ...

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