Lululemon Athletica filed a patent infringement lawsuit against Costco Wholesale on Friday, alleging the warehouse retailer violated intellectual property rights by selling “knockoff” versions ...

Lululemon is suing Costco, alleging the wholesale retailer knowingly sold knockoff versions or dupes of its popular products and allegedly acted in bad faith. The Vancouver-based athleisure ...

Lululemon Athletica Inc. LULU filed a patent infringement lawsuit against Costco Wholesale Corp. COST on Friday, alleging the warehouse retailer violated intellectual property rights by selling ...