In April 2011,
filed a lawsuit in a New York district court accusing Firtash,
gas trader RosUkrEnergo and Ukraine’s political leadership of
racketeering and defrauding Ukrainians of billion-dollar volumes of
natural gas by manipulating an international arbitration court ruling
in Stockholm in 2010.
arbitration court obliged Naftogaz, Ukraine’s state energy monopoly,
to return RosUkrEnergo 11 billion cubic meters of gas and also pay it
a penalty of 1.1 billion cubic meters of gas, as stipulated by the
Tymoshenko is currently
serving a a seven-year prison sentence after a judge in Kyiv a year
ago this month convicted her for abuse of office as prime minister
for a gas deal she negotiated with Russia in 2009. The contract
removed Firtash’s RosUkrEnergo as an intermediary from the
lucrative gas trade between Ukraine and Russia.