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

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

Lululemon has a steep hill to climb. The line between following a trend and illegally copying a design can be quite subjective.

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

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

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

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

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 is suing Costco, accusing the warehouse club of selling "knockoff" versions of its popular athletic wear ...

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

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.” ...