Six years of “back channel work” by lawyers from Sidley Austin and Hogan Lovells finally paid off earlier this month, when the Cuban government released human rights activist Oscar Biscet from prison after more than eight years behind bars, often in solitary confinement.

“We were delirious with joy when we got the call from Oscar’s wife,” said Sidley Washington partner Andrew Strenio Jr. “It was a labor of love.”