THEY say imitation is the sincerest form of flattery, but what happens when it veers into outright theft? Read more at The Business Times.

Costco Wholesale Corporation (NASDAQ:COST) is one of the 12 best consumer goods stocks billionaires are quietly buying. On July 1, Lululemon filed a lawsuit against Costco, accusing the retail giant of selling unauthorized lookalikes of its popular SCUBA hoodies,

Lululemon is accusing Costco of stealing from its "path-breaking" brand by selling dupes of its sweatshirts, jackets and pants.

Lululemon has filed a lawsuit against Costco claiming that the membership-based wholesale retail company sold similar products that confused Lululemon’s customers.

Lululemon has a steep hill to climb. The line between following a trend and illegally copying a design can be quite subjective.

Lululemon alleges that Costco has stolen the intellectual property of its Scuba hoodies and sweatshirts, Define jackets and ABC pants.

The Vancouver-based athleisure brand filed a lawsuit on Friday, saying Costco had created "confusingly similar" dupes of its most popular products.

Does your athleticwear from Costco look similar to a Lululemon outfit? That's intentional, a new lawsuit alleges.

Lululemon filed a lawsuit against Costco on Friday, accusing the wholesale club operator of selling lower-priced duplicates of some of its popular athleisure apparel.

Joe Ng, CEO of fashion studio Shift, said Lululemon's pants may have inspired Costco's, but the design isn't as unique as a lawsuit claims.