The lawsuit claims Costco’s products “are difficult to distinguish from authentic Lululemon products" Lululemon has filed a ...

People on social media and news outlets have noted that Costco sells items similar to pricey Lululemon apparel — but are they ...

Lululemon is accusing Costco of infringing on its intellectual property by selling knock-offs of some of its most popular ...

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

Costco's in-house Kirkland Signature line, known for its affordable apparel and accessories, ... On Costco's website, the ...

When Costco launched its Kirkland (COST) brand 30 years ago, it was a bold decision that set the company apart in a retail environment dominated by fragmented private label products.

Costco’s $86 billion Kirkland Signature brand went against industry standards when it was launched in 1995. WSJ breaks down why the private label is now the retail behemoth’s secret weapon.