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

lululemon athletica inc. (NASDAQ: LULU) is a designer, distributor, and retailer of athletic apparel, footwear, and ...

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

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

The popular athleisure fashion brand is accusing the wholesale giant of selling knockoff versions of a variety of the brand's most popular hoodies, jackets and pants.

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

Lululemon filed a lawsuit against Costco, claiming the company has been selling lower-priced duplicates of some of its ...