Fashion "dupes," or less expensive versions of high-end clothing and other accessories, are just about everywhere these days.

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

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

Lululemon alleges that Costco has stolen the intellectual property of its Scuba hoodies and sweatshirts, Define jackets and ...

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

Wondering if you should turn to Costco or Trader Joe's for a cheap, tasty lager? We've got you covered with a detailed ...

Lululemon has filed a lawsuit against Costco that accuses the wholesale club operator of selling lower-priced duplicates of ...

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

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