币界网报道:Lululemon has filed a lawsuit against Costco, accusing the wholesale retailer of selling counterfeit versions of its popular Align leggings. The athletic apparel company claims Costco's "Kirkland Signature" leggings infringe on Lululemon's design patents and mislead consumers with similar packaging and branding. Lululemon seeks damages and an injunction to halt sales of the alleged knockoffs. This legal action follows Lululemon's previous lawsuits against other retailers for similar patent violations. The case highlights ongoing tensions between premium brands and discount retailers over intellectual property rights in the competitive activewear market.