Thirty years ago, Costco launched a private label named Kirkland Signature that put a unique spin on the concept of shopping generic. The private label sold a wide range of high quality items, from ...

Lululemon has filed a lawsuit against Costco, alleging that its Kirkland Signature brand is selling knockoff versions of the athleisure giant’s signature products at a fraction of the price. The ...

Some Costco shoppers dislike Kirkland Rotisserie Chicken, finding the seasoning unpalatable with a "distinct chemical taste," similar to cilantro's divisive effect—either loved or hated.

A major change is coming to Costco starting on Monday, June 30. But it is only for certain members!

Canadian athletic wear maker Lululemon sued Costco in California federal court on Friday, alleging that the wholesaler sells "knockoff" sweatshirts, jackets and pants that unlawfully copy its ...

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