RIO DE JANEIRO—The Bill and Melinda Gates Foundation is suing Brazil’s Petróleo Brasileiro SA and its auditor in a New York court, claiming a vast corruption scheme centered on the state-run oil company caused the charitable organization to lose tens of millions of dollars.
The foundation, started by the billionaire co-founder of Microsoft Corp. and his wife, joins a long list of plaintiffs seeking to recoup money they lost as the scandal hammered the value of their investments in Petrobras shares. It is just the latest...