Lawsuit claims Costco is infringing on its trademarks, trade dress and design patents from Lulelemon's Define jacket, Scuba ...

Costco's generous return policy allows easy returns of recalled items.

Costco's valuation is under scrutiny, with stagnant margins, demographic challenges, and rising costs threatening its growth.

Lululemon has accused Costco of selling unlicensed knockoffs of popular products like the Scuba pullovers and ABC Pants.

The lawsuit said that Costco's "dupes" violate Lululemon's patent and trademark rights in its clothing designs and are likely to confuse potential customers. Sign up here. Spokespeople for Costco ...