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

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

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

Lululemon Athletica is suing Costco, claiming the warehouse-club chain is selling knockoff versions of its activewear. Photo: Justin Sullivan/Getty Images A Lululemon Scuba hoodie costs $118.

Lululemon Athletica Canada Inc. has filed a lawsuit accusing Costco Wholesale Corp. of infringing on its intellectual ...

Lululemon has also sent cease and desist letters to various companies about alleged knockoff products, including Costco for its Danskin Ladies Half-Zip Hoodie, Danskin Half-Zip Pullover, Jockey ...