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

In the 49-page lawsuit filed in California, Lululemon shows the alleged design similarities of its products with Costco’s, as ...

Lululemon's leggings are well-known and highly prized. They're also pretty costly. However, now the company is taking aim at ...

Lululemon sues Costco accusing it of selling brand knockoffs - Lululemon has claimed dupes of its products that Costco is ...

Lululemon has filed a lawsuit against Costco alleging the wholesaler is selling “unlawfully traded” versions of its signature ...

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

In a lawsuit filed Friday in the U.S. District Court for the Central District of California, Lululemonclaims that certain ...