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

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

Shoppers maintain that Kirkland toilet paper isn’t what it used to be. “Toilet paper quality has gone downhill. Now it’s ...

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

Costco's hot dogs are made from 100 percent beef which translates directly into its taste. Plus, it’s served on a soft sesame ...

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

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

Lululemon is accusing Costco of leading customers to believe that these dupes, slang for duplicates, “are in fact ...

Add the pesto and toss to coat. Set in the fridge to chill for at least 1 hour or up to 2 days. When ready to serve, add the ...

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

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

Lululemon files explosive lawsuit against Costco, alleging the retailer copied popular designs and confused consumers with ...