Lawsuit claims Costco is infringing on its trademarks, trade dress and design patents from Lulelemon's Define jacket, Scuba ...

Lululemon has filed a lawsuit against Costco claiming that the membership-based wholesale retail company sold similar products that confused Lululemon’s customers.

Membership fees for warehouse clubs keep going up. Are they still worth it? Everyone’s buzzing about Costco these days, from ...

Canadian athletic wear maker Lululemon sued Costco in California federal court on Friday, alleging that the wholesaler sells "knockoff" sweatshirts, jackets and pants that unlawfully copy its products ...

Lululemon alleges that Costco has stolen the intellectual property of its Scuba hoodies and sweatshirts, Define jackets and ABC pants.

Lululemon is suing Costco alleging the wholesale retailer is selling knock-off, or 'dupe' versions items baring its trademark ...

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

Vancouver-based Lululemon asserts that Costco sells apparel that mimics the look and feel of its products.

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

A lawsuit filed in a California court recently alleges Costco sells dupes of Lululemon's Scuba hoodies and sweatshirts, ...

Lululemon is accusing Costco of leading customers into believing that the Kirkland-branded “dupes are in fact manufactured by the authentic supplier of the ‘original’ products.” ...

In terms of membership fees, Costco now charges $65 a year for basic access, while Sam’s Club has held steady at $50 since ...