The athleisure brand filed a suit on June 27 against Costco, claiming its Kirkland Signature line is selling knockoffs of its ...

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

Kirkland Signature is now bigger than some of the world’s biggest companies—and it has become essential to Costco’s business.

People on social media and news outlets have noted that Costco sells items similar to pricey Lululemon apparel — but are they ...

Lululemon, the prestigious sportswear brand, has filed a lawsuit against Costco, accusing it of selling replicas of its products under the Kirkland brand.

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

Lululemon accuses Costco of making duplicates of several products, including its popular Scuba hoodies, Define jackets and ...