For background, let’s go to Alexander Aciman’s exhaustive comparison of a pair of two pairs of pants: one sold by lululemon, and one sold under Coscto’s in-house brand Kirkland Signature. This was ...

Lululemon Athletica claims in its lawsuit filed in the U.S. District Court for the Central District of California that Costco ...

Joe Ng, CEO of fashion studio Shift, said Lululemon's pants may have inspired Costco's, but the design isn't as unique as a ...

Fashion “dupes,” or less expensive versions of high-end clothing and other accessories, are just about everywhere these days.

Lululemon, a premium athleisure company based in Vancouver, Canada, filed its lawsuit against Costco on June 27 in California ...

Lululemon is accusing Costco of stealing from its "path-breaking" brand by selling dupes of its sweatshirts, jackets and pants.

In the latest example, Lululemon filed a lawsuit against Costco on Friday, accusing the wholesale club operator of selling lower-priced duplicates of some of its popular athleisure apparel.

In the latest example, Lululemon filed a lawsuit against Costco on Friday, accusing the wholesale club operator of selling lower-priced duplicates of some of its popular athleisure apparel.

Lululemon says 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.