Amazon Must Face Online Retailer’s Lawsuit Alleging Monopoly

Amazon.com Inc. must face an antitrust lawsuit by a competing online retail platform that alleges the e-commerce giant maintains an illegal monopoly and uses that power to stifle competition.

Zulily LLC, an online apparel retailer that describes itself as an Amazon victim, has offered enough evidence that it competes with Amazon in the online superstore market to pursue its antitrust claims, according to a Dec. 31 decision from Judge John Chun of the US District Court for the Western District of Washington.

Zulily also sufficiently alleged that Amazon’s “anti-discounting” practices, such as punishing third-party sellers that offer lower prices on ...