The copyright battle stands out because it involves two large publicly listed companies, and it takes direct aim at the growing cultural phenomenon of celebrating cheap knock-offs on social media.
Lululemon, the luxury athletic clothing brand, is suing Costco in federal court in California, alleging that it illegally copied at least six patented clothing designs.
They say imitation is the sincerest form of flattery, but what happens when it veers into outright theft?
Costco, the members-only discount store, has long been famous for private label products that compete head-to-head with national brands in everything from vodka and cranberry juice to mattresses and laundry detergent.
Financial Times
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