Lululemon, for example, sells its popular ABC men’s pants for $128 – and alleges that a pair of Costco pants that retail for just $10 rip off their design. Leggings and yoga pants on display ...

These “dupes” include Lululemon’s Scuba hoodies, Define jackets, and ABC pants. While the Scuba hoodies sell for around $128, Costco alleged unauthorized versions are priced as low as $8.