If you're a Costco shopper -- and you also love ice cream bars -- we're comparing Kirkland Signature and Haagen-Dazs ice ...

Costco launched a private label named Kirkland Signature that put a unique spin on the concept of shopping generic. The ...

Arguably, the best part about going to Costco is feeling like you got a great deal, but how does the chain keep its Kirkland ...

Costco sells house-brand motor oil under the Kirkland Signature label it uses for many other products. Does this oil pass the ...

Kirkland Signature Organic Extra-Virgin Olive Oil is among the best on the market. The highly hyped oil is sourced from ...

Costco’s iconic $5 Kirkland Rotisserie Chicken is well worth the price of membership, customers say. “If you buy a rotisserie ...

Kirkland Signature spirits are a good buy, often made by reputable brands and sold at a good price. We pick out the tequila ...

Vancouver-based Lululemon asserts that Costco sells apparel that mimics the look and feel of its products.

The Canadian athleisure brand has accused the warehouse club operator of copying at least six of its products, including its ...

The athleisure brand is accusing Costco of selling knockoffs of several of its signature designs and offering them at a lower ...