Google made the case Monday to a Virginia judge that it should be permitted to hold onto several key portions of its advertising technology ecosystem, just weeks after avoiding a breakup of its online search business.

The tech giant is in court yet again, as the Department of Justice (DOJ) argues the company should be required to divest its AdX exchange business and conduct a “phased” divestiture of its publisher ad network, DoubleClick for Publishers (DFP).

U.S. District Judge Leonia Brinkema ruled in April that Google had illegally acquired and maintained a monopoly over the technology used to connect publishers and advertisers online, just six months after the firm lost a separate antitrust case over search.

Google’s lead attorney, Karen Dunn, argued in opening arguments Monday that

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