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

Lululemon Athletica launched a lawsuit over the weekend against Costco Wholesale, accusing the warehouse retail giant of ...

Athleisure brand Lulumelon has filed a lawsuit against Costco alleging that the wholesaler manufactured and sold “knockoff” and “dupe” products in a deliberate attempt to confuse customers, according ...

A major legal clash has erupted between luxury sportswear brand Lululemon and wholesale giant Costco, with accusations of ...

In a lawsuit filed Friday, Lululemon claimed Costco was violating its patents by selling “knockoff” versions of its pants, ...