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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 ...

This battle stands out because it involves two large publicly listed companies and takes direct aim at the growing cultural ...

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

Jefferies analysts said Lululemon is straying further away from its yoga roots with designs similar to generic apparel brands ...

A trade dress complaint by Lululemon could provide a roadmap to help other plaintiffs make their best cases, argue counsel.

Costco Wholesale Corporation (NASDAQ:COST) is one of the 12 best consumer goods stocks billionaires are quietly buying. On ...

Shoppers are souring on Lululemon — and the once-thriving yoga chain is meanwhile getting squeezed by new rivals. The pricey retailer known for its $100 leggings has been discounting at “alarming ...

The lawsuit alleges that Costco is intentionally mimicking the Lululemon-brand clothing in an effort to make customers think ...

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

Lululemon is suing Costco, accusing the discount retailer of selling "confusingly similar" replicas of its jackets, sweatshirts and pants. In a lawsuit filed Friday in the U.S. District Court for ...