On June 27, 2025, Lululemon filed a federal lawsuit against Costco, accusing the retail giant of copying its signature activewear designs. The suit claims that Kirkland Signature products—like zip-up jackets, hoodies, and pants—closely imitate Lululemon’s popular items, including the Scuba hoodie, Define jacket, and ABC pants.
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According to the lawsuit, Costco is selling these lookalike items at a steep discount (around $20, compared to Lululemon’s $100+ pieces), creating customer confusion and hurting Lululemon’s brand image. Lululemon argues that Costco’s designs violate design patents, trademarks, and trade dress protections.
The company is asking for: Monetary damages A jury trial An injunction to stop Costco from selling the products.
