NEW YORK ( TheStreet) -- The Justice Department is stepping up its probe into whether tech heavyweights who purchased a large portfolio of Nortel patents could use them to unfairly hurt smartphones that run Google's (GOOG) Android operating system, according to a published media report.
The report, published on The Wall Street Journal's Web site, cited anonymous sources familiar with the situation.
The group purchased 6,000 patents from now-bankrupt Nortel for $4.5 billion.> > Bull or Bear? Vote in Our Poll >> Get your financial news on the go with TheStreet's iPad app.
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