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

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

The lawsuit alleges that Costco is intentionally mimicking the Lululemon-brand clothing in an effort to make customers think ...

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

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

In a 49-page lawsuit filed in California, Lululemon accused the retail wholesaler of selling knockoff versions of its Scuba ...

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

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

Lululemon is suing Costco, alleging the wholesale retailer knowingly sold knockoff versions or dupes of its popular products.

In November, Lululemon wrote to Costco about the infringement, and Costco subsequently removed at least some of the products that infringed Lululemon’s SCUBA mark, but later began selling the Hi ...

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

People on social media and news outlets have noted that Costco sells items similar to pricey Lululemon apparel — but are they ...