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

Lululemon Athletica claims in its lawsuit filed in the U.S. District Court for the Central District of California that Costco ...

The athleisure company alleged in a lawsuit that Costco is selling discounted "dupes" of some of Lululemon's most popular items.

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

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

Lululemon is suing Costco, alleging the wholesale retailer knowingly sold knockoff versions or dupes of its popular products.

Leading high-end athletic-wear company, Lululemon, has filed a 49-page lawsuit against Costco for selling cheap, inauthentic ...

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

Lululemon Athletica filed a patent infringement lawsuit against Costco Wholesale on Friday, alleging the warehouse retailer ...

Lululemon Athletica filed a patent infringement lawsuit against Costco Wholesale on Friday, alleging the warehouse retailer ...