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

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

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

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

People on social media and news outlets have noted that Costco sells items similar to pricey Lululemon apparel — but are they ...

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

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