Lululemon, the prestigious sportswear brand, has filed a lawsuit against Costco, accusing it of selling replicas of its products under the Kirkland brand.

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 ...

Less expensive versions of high-end clothing and other accessories are just about everywhere these days. But these fashio ...

Lululemon has a steep hill to climb. The line between following a trend and illegally copying a design can be quite ...

In a lawsuit against Costco over a variety of apparel designs, the athleisure brand laments the proliferation of ...

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