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

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

Lululemon has filed a lawsuit against Costco claiming that the membership-based wholesale retail company sold similar ...

Joe Ng, CEO of fashion studio Shift, said Lululemon's pants may have inspired Costco's, but the design isn't as unique as a ...

Lululemon Athletica claims in its lawsuit filed in the U.S. District Court for the Central District of California that Costco has “unlawfully traded” on its reputation, goodwill and sweat equity by ...

Does your athleticwear from Costco look similar to a Lululemon outfit? That's intentional, a new lawsuit alleges.

Lululemon filed a lawsuit against Costco over Kirkland brand products that allegedly copy its Scuba hoodies, Define jackets ...

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