US seeks breakup of Google’s ad-tech products after judge finds illegal monopoly

The U.S. Department of Justice has proposed that Alphabet’s Google divest its AdX advertising marketplace and ad server DFP, a court filing showed on Monday, after a federal judge found the company illegally dominated two online ad-tech markets. The judge set a September trial date on Friday, after hearing from Google and the DOJ on potential remedies for the company’s dominance in ad tools used by online publishers.

The Justice Department said the proposed remedies, including divestitures, are necessary to end Google’s monopolies and restore…