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’s lawsuit against Costco highlights the rise of fashion ‘dupes’ Dupes, or less expensive alternatives to luxury products, are far from new, but their popularity has surged with ...

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.