com Inc must face consumer claims that its pricing practices artificially drove up the cost of goods sold by other retailers in violation of US antitrust law, a federal judge has ruled. Plaintiffs lawyer Steve Berman of Hagens Berman Sobol Shapiro, a lead attorney for the proposed class, said "Amazon's main arguments are rejected," and called the ruling "good news for tens of millions of consumers who have been overcharged by Amazon. A separate private consumer suit, also pending in Seattle federal court, alleges Amazon's practices have increased prices for items sold on the company's own platform