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 ...

For background, let’s go to Alexander Aciman’s exhaustive comparison of a pair of two pairs of pants: one sold by lululemon, ...

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

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

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

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

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

Lululemon Athletica has filed a lawsuit against Costco Wholesale, alleging that the warehouse-club chain is selling knockoff versions of its popular activewear through its Kirkland private-label brand ...

Lululemon claims one of the duplicates that Costco sells is the Hi-Tec Men’s Scuba Full Zip, with the lawsuit showing a screenshot image of Costco’s website showing the item priced at $19.97.

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.” ...