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

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

The cost of a much-needed vacation has ticked up thanks to inflation, but believe it or not, it can pay to plan your Fourth ...

Lululemon is known for athleisure clothing and said that Costco uses makers of popular brands to make similar items for its ...

Lululemon filed a lawsuit against Costco over Kirkland brand products that allegedly copy its Scuba hoodies, Define jackets and ABC pants at lower prices.

The athleisure company alleged in a lawsuit that Costco is selling discounted "dupes" of some of Lululemon's most popular ...

Lululemon (NASDAQ:LULU) is suing Costco (COST) for allegedly selling cheaper priced knock-offs of its athleisure line through ...

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