Legal Dispute - Lululemon is suing Costco for allegedly selling knockoffs of its activewear, infringing on Lululemon's reputation and goodwill [2] - The lawsuit targets Costco's Danskin half-zip ($7.97), Spider yoga jacket ($21.99), and five-pocket pants ($9.97) as imitations of Lululemon's scuba hoodies, defined jackets, and ABC pants, which retail for around $128 [3] - Lululemon seeks monetary damages and an end to the sales of the alleged knockoffs [5] - Intellectual property law makes it difficult to protect clothing designs, except for labels and logos [4][5] Product Comparison & Market Perception - Costco's dupes are significantly cheaper, with some items priced at $7.97, $9.97, $13.99 and $21.99, compared to Lululemon's items around $100-$128 [1][2][3] - Online reviews suggest that consumers find the Costco dupes comparable in feel and comfort to Lululemon products [8][9] - Lululemon previously held a "dupe swap" event, indicating an awareness of the dupe market [9] Previous Legal Action & Current Availability - Lululemon previously sued Peloton in 2021 for patent infringement related to bras and leggings, which was later settled, and they subsequently partnered [7] - Despite the lawsuit, the allegedly infringing pants and yoga jackets were still found on Costco store shelves, but online availability was limited [7][8]