Lululemon Athletica claims in its lawsuit filed in the U.S. District Court for the Central District of California that Costco ...

Cheaper look-alikes have been around for years, but social media has made them more popular. Dupes can move into shaky legal ...

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

The Canadian athleisure brand has accused the warehouse club operator of copying at least six of its products, including its ...

Vancouver-based Lululemon asserts that Costco sells apparel that mimics the look and feel of its products.

The athletic-wear giant in Lululemon (NASDAQ:LULU) filed suit in California last week, accusing Costco (NASDAQ:COST) of ...

Lululemon has filed a lawsuit against Costco in the U.S. District Court for the Central District of California, alleging they ...

Lululemon filed a lawsuit Friday accusing Costco of copying its patented athleisure designs and selling them under its ...