The Canadian athleticwear retailer filed a lawsuit against the retailer for selling products it says are confusingly similar ...

In the 49-page lawsuit filed in California, Lululemon shows the alleged design similarities of its products with Costco’s, as ...

The warehouse giant is accused of leading customers to believe some of their products are made by the same manufacturers as ...

Dupes are a common phenomenon in fashion, but they have risen in popularity in recent years thanks to social media ...

In a lawsuit filed on Friday, Lululemon claimed certain Costco products have "unlawfully traded" on the brand's "reputation, ...

Lululemon said in a lawsuit filed on Friday, June 27, that Costco “unlawfully traded” on the athleisure brand’s “reputation, ...

Does your athleticwear from Costco look similar to a Lululemon outfit? That's intentional, a new lawsuit alleges.

The athleisure giant claims Costco's budget-friendly dupes are misleading consumers and infringing on their patents.

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

In a lawsuit filed Friday, Lululemon claimed Costco was violating its patents by selling “knockoff” versions of its pants, ...

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.