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.

Fashion “dupes,” or less expensive versions of high-end clothing and other accessories, are just about everywhere these days. They're also drawing some businesses into legal battles. In the latest ...

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 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.

The Canadian athleisure brand has accused the warehouse club operator of copying at least six of its products, including its Scuba hoodie and men’s 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 ...