THEY say imitation is the sincerest form of flattery, but what happens when it veers into outright theft? Read more at The ...

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

Joe Ng, CEO of fashion studio Shift, said Lululemon's pants may have inspired Costco's, but the design isn't as unique as a ...

This battle stands out because it involves two large publicly listed companies and takes direct aim at the growing cultural ...

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

Less expensive versions of high-end clothing and other accessories are just about everywhere these days. But these fashio ...

A trade dress complaint by Lululemon could provide a roadmap to help other plaintiffs make their best cases, argue counsel.

Kirkland Signature is now bigger than some of the world’s biggest companies—and it has become essential to Costco’s business.

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

In a lawsuit against Costco over a variety of apparel designs, the athleisure brand laments the proliferation of ...