Lululemon is accusing Costco of stealing from its "path-breaking" brand by selling dupes of its sweatshirts, jackets and ...

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

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

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

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

Lululemon Athletica claims in its lawsuit filed in the U.S. District Court for the Central District of California that Costco ...

Lululemon also accuses Costco of manufacturing a knockoff of its ABC pants — which retail for about $130 — under Costco’s own brand, Kirkland, and selling them for $20.