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

Cheaper look-alikes have been around for years, but social media has made them more popular. Dupes can move into shaky legal ...

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

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

Shoppers are souring on Lululemon — and the once-thriving yoga chain is meanwhile getting squeezed by new rivals. The pricey retailer known for its $100 leggings has been discounting at “alarming ...

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

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

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