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

Lululemon has a steep hill to climb. The line between following a trend and illegally copying a design can be quite ...

Lululemon, a premium athleisure company based in Vancouver, Canada, filed its lawsuit against Costco on June 27 in California ...

The copyright battle stands out because it involves two large, publicly listed companies, and it takes direct aim at a ...

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

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

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

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

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

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