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

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 ...

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

One example pointed out in the lawsuit is the Scuba hoodie. Lululemon lists their hoodies for more than $100, while Costco's version is listed online at about $8.

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

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

Dupes, or less expensive alternatives to luxury products, are far from new, but their popularity has surged with social media ...