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

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

Lululemon has filed a lawsuit against Costco, accusing the megaretailer of selling “dupes” of its popular athletic wear that ...

Redditors shared their favorite hidden gems at Costco, from seasonal olive oil to discounted gift cards and top-tier bacon.

Kirkland Signature Organic Extra-Virgin Olive Oil is among the best on the market. The highly hyped oil is sourced from ...

Costco launched a private label named Kirkland Signature that put a unique spin on the concept of shopping generic. The ...

Lululemon alleges that Costco is known to use manufacturers of popular branded products for its private label Kirkland brand, but that the company and the manufacturers don’t tell consumers of ...

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

Lululemon Athletica Canada Inc. is accusing Costco Wholesale Corp. of infringing on its intellectual property by selling knockoffs of some of its most popular products. A lawsuit filed in a ...