Last week, within days of the world’s leading producers agreeing to cut output in response to the coronavirus pandemic, a top lobbyist at Hogan Lovells sent out a barrage of emails on behalf of one of the firm’s longtime clients: Saudi Arabia.

“We wanted to update you on how the Kingdom of Saudi Arabia (KSA) is leading global efforts to stabilize oil markets,” wrote Norm Coleman, a Hogan Lovells senior counsel and former U.S. senator, in a message sent to more than two dozen congressional aides.