Lawsuit claims Costco is infringing on its trademarks, trade dress and design patents from Lulelemon's Define jacket, Scuba ...

One of Costco's most popular perks is its "risk-free 100% satisfaction guarantee" return policy. It's also one of its most ...

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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 ...

Costco Wholesale Corporation (NASDAQ:COST) is one of the 12 best consumer goods stocks billionaires are quietly buying. On July 1, Lululemon filed a lawsuit against Costco, accusing the retail giant ...

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 lawsuit claims.

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

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.

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.

Lululemon is suing Costco alleging the wholesale retailer is selling knock-off, or 'dupe' versions items baring its trademark ...

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.