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

An aggressive approach by Lululemon to sue Costco. I wonder why there was no pre-litigation business solution. Costco ...

And yet, the company keeps making new highs in revenue and earnings and is now starting to aggressively return capital to ...

Lululemon is suing Costco, claiming the retailer's Kirkland brand sells similar clothing, including pants and jackets, at ...

Matt Ryan, a Boston-based marathon runner, law student and self-proclaimed Lululemon loyalist, says Rhone has taken over a ...

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

Lululemon's leggings are well-known and highly prized. They're also pretty costly. However, now the company is taking aim at ...

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

Model Carson Branstine made her Wimbledon debut on June 30 and lost to world No. 1 Aryna Sabalenka in straight sets.

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