The Score is a weekly review of the biggest stock moves and the news that drove them. Paramount has settled its lawsuit with ...

Lululemon has accused Costco of selling unlicensed knockoffs of popular products like the Scuba pullovers and ABC Pants.

Lululemon is suing Costco for allegedly infringing on its trademarks and design patents by selling dupes of its clothes.

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.

In a 49-page complaint, Lululemon accused Costco of blatantly ripping off some of its most recognizable styles.

Fashion “dupes,” or less expensive versions of high-end clothing and other accessories, are just about everywhere these days. In the latest example, Lululemon slapped a lawsuit against Costco ...

The Canadian athleticwear retailer filed a lawsuit against the retailer for selling products it says are confusingly similar ...

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.

Nike has a price-to-earnings ratio (P/E) of 18 compared to Lululemon's 16.7, even though Lululemon is growing much more quickly and is doing remarkably better in China.

Nike on Monday asked a federal judge to dismiss a potential class action securities lawsuit against the company, saying it offers a “baseless theory” that its senior executives lied to ...