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

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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 ...

Kirkland Signature is now bigger than some of the world’s biggest companies—and it has become essential to Costco’s business.

THEY say imitation is the sincerest form of flattery, but what happens when it veers into outright theft? Read more at The Business Times.

To customers, a lookalike to Ugg's Tasman slippers or a knock-off of Lululemon's ultra-popular Define jacket can be a fantastic bargain. But to the companies that make the original products, ...

President Trump’s signature second-term legislative agenda is hitting the courts. His “big, beautiful bill” is a boon for ...

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

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 S&P 500 fell 0.8% on Monday, July 7, 2025, as President Trump sent letters about impending tariffs to numerous trading ...

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.